Neline\u00e1rn\u00ed objekty p\u0159i vyva\u017eov\u00e1n\u00ed rotoru: p\u0159\u00ed\u010diny, p\u0159\u00edznaky a praktick\u00fd p\u0159\u00edstup<\/title>\n <meta name=\"title\" content=\"Nonlinear Objects in Rotor Balancing: Causes, Symptoms, and Practical Approach\" \/>\n \n <meta name=\"keywords\" content=\"rotor balancing, nonlinear object, linear object, influence coefficient, trial weight, resonance, vibration instability, Balanset-1A, vibration diagnostics, field balancing, bearing clearance, looseness, dry friction\" \/>\n <meta name=\"author\" content=\"Vibromera\" \/>\n <meta name=\"robots\" content=\"index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1\" \/>\n <meta name=\"language\" content=\"English\" \/>\n\n \n \n \n \n \n\n \n \n \n \n\n \n <link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\" \/>\n <link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin \/>\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Onest:wght@300;400;500;600;700;800&display=swap\" rel=\"stylesheet\" \/>\n\n <style>\n \/* ========================================\n VIBROMERA ARTICLE STYLES (ISOLATED)\n Prefix: vma-\n All styles scoped to .vma-wrapper\n ======================================== *\/\n .vma-wrapper{\n --vma-primary:#0052cc;\n --vma-primary-dark:#003d99;\n --vma-primary-50:#e6f0ff;\n --vma-gray-50:#f8fafc;\n --vma-gray-100:#f1f5f9;\n --vma-gray-200:#e2e8f0;\n --vma-gray-500:#64748b;\n --vma-gray-700:#334155;\n --vma-gray-800:#1e293b;\n --vma-gray-900:#0f172a;\n --vma-white:#ffffff;\n max-width:1600px;\n margin:0 auto;\n font-family:'Onest',system-ui,-apple-system,sans-serif;\n font-size:18px;\n line-height:1.75;\n color:var(--vma-gray-700);\n -webkit-font-smoothing:antialiased;\n -moz-osx-font-smoothing:grayscale;\n }\n .vma-hero{\n background:linear-gradient(135deg,var(--vma-primary) 0%,var(--vma-primary-dark) 100%);\n color:var(--vma-white);\n padding:56px 20px;\n text-align:center;\n position:relative;\n overflow:hidden;\n }\n .vma-hero::before{\n content:'';\n position:absolute;\n inset:0;\n opacity:.14;\n background-image:\n radial-gradient(circle at 18% 82%, rgba(255,255,255,.35) 0%, transparent 55%),\n radial-gradient(circle at 82% 18%, rgba(255,255,255,.28) 0%, transparent 45%);\n pointer-events:none;\n }\n .vma-hero > *{ position:relative; 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text-align:left; }\n .vma-kbd{\n font-weight:800;\n color:var(--vma-gray-900);\n }\n .vma-formula{\n background:linear-gradient(135deg,var(--vma-gray-50) 0%, var(--vma-primary-50) 100%);\n border:1px solid rgba(0,82,204,.18);\n border-radius:14px;\n padding:14px 16px;\n margin:14px 0;\n font-size:16px;\n color:var(--vma-gray-900);\n overflow:auto;\n white-space:nowrap;\n }\n .vma-qa{\n background:var(--vma-gray-50);\n border:1px solid var(--vma-gray-200);\n border-radius:16px;\n padding:18px 18px;\n margin:18px 0;\n }\n .vma-q{\n margin:0 0 8px 0;\n font-weight:800;\n color:var(--vma-gray-900);\n font-size:18px;\n }\n .vma-a{\n margin:0;\n }\n .vma-anchor{ scroll-margin-top: 16px; }\n @media (max-width: 820px){\n .vma-title{ font-size:30px; }\n }\n <\/style>\n\n \n \n\n \n<\/head>\n<body>\n <div class=\"vma-wrapper\">\n <header class=\"vma-hero\">\n <h1 class=\"vma-title\">Neline\u00e1rn\u00ed objekty p\u0159i vyva\u017eov\u00e1n\u00ed rotoru<\/h1>\n <p class=\"vma-subtitle\">Pro\u010d vyva\u017eov\u00e1n\u00ed \u201cnefunguje\u201d, pro\u010d se m\u011bn\u00ed koeficienty vlivu a jak postupovat v re\u00e1ln\u00fdch poln\u00edch podm\u00ednk\u00e1ch<\/p>\n <\/header>\n\n <main class=\"vma-content\">\n <div class=\"vma-inner\">\n <nav class=\"vma-toc\" aria-label=\"Obsah\">\n <div class=\"vma-toc-title\">Obsah<\/div>\n <ol>\n <li><a href=\"#intro\">P\u0159ehled<\/a><\/li>\n <li><a href=\"#linear-nonlinear-vibrations\">Line\u00e1rn\u00ed a neline\u00e1rn\u00ed vibrace<\/a><\/li>\n <li><a href=\"#linear-vs-nonlinear\">Line\u00e1rn\u00ed vs. neline\u00e1rn\u00ed objekty<\/a><\/li>\n <li><a href=\"#what-are-linear-objects\">Co jsou line\u00e1rn\u00ed objekty?<\/a><\/li>\n <li><a href=\"#linearity-graph\">Graf line\u00e1rnosti<\/a><\/li>\n <li><a href=\"#influence-coefficient\">Sou\u010dinitel vlivu (IC)<\/a><\/li>\n <li><a href=\"#linear-phase\">F\u00e1ze vibrac\u00ed v line\u00e1rn\u00edch objektech<\/a><\/li>\n <li><a href=\"#linear-balancing-steps\">Kroky pro vyva\u017eov\u00e1n\u00ed line\u00e1rn\u00edho objektu<\/a><\/li>\n <li><a href=\"#serial\">S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed a ulo\u017een\u00e9 koeficienty<\/a><\/li>\n <li><a href=\"#nonlinear-definition\">Co je to neline\u00e1rn\u00ed objekt?<\/a><\/li>\n <li><a href=\"#nonlinear-signs\">Zn\u00e1mky neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#nonlinear-graph\">Graf neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#nonlinear-examples\">P\u0159\u00edklady neline\u00e1rn\u00edch objekt\u016f<\/a><\/li>\n <li><a href=\"#nonlinear-types\">Typy neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#causes\">\u010cast\u00e9 p\u0159\u00ed\u010diny neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#instability\">Vibra\u010dn\u00ed nestabilita<\/a><\/li>\n <li><a href=\"#resonance\">Vyva\u017eov\u00e1n\u00ed v bl\u00edzkosti rezonance<\/a><\/li>\n <li><a href=\"#high-after\">Vysok\u00e9 vibrace po \u201c\u00fasp\u011b\u0161n\u00e9m\u201d vyv\u00e1\u017een\u00ed<\/a><\/li>\n <li><a href=\"#nonlinear-methods\">Metody vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f<\/a><\/li>\n <li><a href=\"#nonlinear-howto-linear-tool\">Jak vyva\u017eovat line\u00e1rn\u00edm n\u00e1strojem<\/a><\/li>\n <li><a href=\"#art-science\">Um\u011bn\u00ed & v\u011bda o vyva\u017eov\u00e1n\u00ed<\/a><\/li>\n <li><a href=\"#measurement\">Opakovatelnost m\u011b\u0159en\u00ed<\/a><\/li>\n <li><a href=\"#approach\">Praktick\u00fd p\u0159\u00edstup k neline\u00e1rn\u00edm objekt\u016fm<\/a><\/li>\n <li><a href=\"#reduced-correction\">Technika redukovan\u00e9 korek\u010dn\u00ed hmotnosti<\/a><\/li>\n <li><a href=\"#conclusion\">Z\u00e1v\u011bre\u010dn\u00e1 z\u00e1sada<\/a><\/li>\n <li><a href=\"#faq\">Ot\u00e1zky & odpov\u011bdi<\/a><\/li>\n <\/ol>\n <\/nav>\n\n <section id=\"intro\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">P\u0159ehled<\/h2>\n <p>V praxi se vyva\u017eov\u00e1n\u00ed rotoru t\u00e9m\u011b\u0159 nikdy neomezuje na pouh\u00fd v\u00fdpo\u010det a instalaci korek\u010dn\u00edho z\u00e1va\u017e\u00ed. Form\u00e1ln\u011b je algoritmus dob\u0159e zn\u00e1m\u00fd a p\u0159\u00edstroj prov\u00e1d\u00ed v\u0161echny v\u00fdpo\u010dty automaticky, ale kone\u010dn\u00fd v\u00fdsledek z\u00e1vis\u00ed mnohem v\u00edce na chov\u00e1n\u00ed samotn\u00e9ho objektu ne\u017e na vyva\u017eovac\u00edm za\u0159\u00edzen\u00ed. Proto v re\u00e1ln\u00e9m provozu neust\u00e1le vznikaj\u00ed situace, kdy vyva\u017eov\u00e1n\u00ed \u201cnefunguje\u201d, m\u011bn\u00ed se koeficienty vlivu, vibrace se st\u00e1vaj\u00ed nestabiln\u00edmi a v\u00fdsledek nen\u00ed opakovateln\u00fd z jednoho b\u011bhu do druh\u00e9ho.<\/p>\n <\/section>\n\n <section id=\"linear-nonlinear-vibrations\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Line\u00e1rn\u00ed a neline\u00e1rn\u00ed vibrace, jejich vlastnosti a metody vyva\u017eov\u00e1n\u00ed<\/h2>\n <p>\u00dasp\u011b\u0161n\u00e9 vyva\u017eov\u00e1n\u00ed vy\u017eaduje pochopen\u00ed toho, jak objekt reaguje na p\u0159id\u00e1n\u00ed nebo odstran\u011bn\u00ed hmoty. V t\u00e9to souvislosti hraj\u00ed kl\u00ed\u010dovou roli koncepty line\u00e1rn\u00edch a neline\u00e1rn\u00edch objekt\u016f. Pochopen\u00ed toho, zda je objekt line\u00e1rn\u00ed nebo neline\u00e1rn\u00ed, umo\u017e\u0148uje v\u00fdb\u011br spr\u00e1vn\u00e9 strategie vyv\u00e1\u017een\u00ed a pom\u00e1h\u00e1 dos\u00e1hnout po\u017eadovan\u00e9ho v\u00fdsledku.<\/p>\n <p>Line\u00e1rn\u00ed objekty maj\u00ed v t\u00e9to oblasti zvl\u00e1\u0161tn\u00ed m\u00edsto d\u00edky sv\u00e9 p\u0159edv\u00eddatelnosti a stabilit\u011b. Umo\u017e\u0148uj\u00ed pou\u017eit\u00ed jednoduch\u00fdch a spolehliv\u00fdch diagnostick\u00fdch a vyva\u017eovac\u00edch metod, d\u00edky \u010demu\u017e je jejich studium d\u016fle\u017eit\u00fdm krokem v diagnostice vibrac\u00ed.<\/p>\n <\/section>\n\n <section id=\"linear-vs-nonlinear\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Line\u00e1rn\u00ed vs. neline\u00e1rn\u00ed objekty<\/h2>\n <p>V\u011bt\u0161ina t\u011bchto probl\u00e9m\u016f pramen\u00ed ze z\u00e1sadn\u00edho, ale \u010dasto podce\u0148ovan\u00e9ho rozli\u0161en\u00ed mezi line\u00e1rn\u00edmi a neline\u00e1rn\u00edmi objekty. Line\u00e1rn\u00ed objekt je z hlediska vyva\u017eov\u00e1n\u00ed syst\u00e9m, ve kter\u00e9m je p\u0159i konstantn\u00ed rychlosti ot\u00e1\u010den\u00ed amplituda vibrac\u00ed \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti a f\u00e1ze vibrac\u00ed p\u0159esn\u011b p\u0159edv\u00eddateln\u00fdm zp\u016fsobem sleduje \u00fahlovou polohu nevyv\u00e1\u017een\u00e9 hmoty. Za t\u011bchto podm\u00ednek je koeficient vlivu konstantn\u00ed hodnotou. V\u0161echny standardn\u00ed algoritmy dynamick\u00e9ho vyva\u017eov\u00e1n\u00ed, v\u010detn\u011b t\u011bch implementovan\u00fdch v Balanset-1A, jsou navr\u017eeny pr\u00e1v\u011b pro takov\u00e9 objekty.<\/p>\n <p>U line\u00e1rn\u00edho objektu je proces vyva\u017eov\u00e1n\u00ed p\u0159edv\u00eddateln\u00fd a stabiln\u00ed. Instalace zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed zp\u016fsob\u00ed proporcion\u00e1ln\u00ed zm\u011bnu amplitudy a f\u00e1ze vibrac\u00ed. Opakovan\u00e9 spu\u0161t\u011bn\u00ed d\u00e1vaj\u00ed stejn\u00fd vektor vibrac\u00ed a vypo\u010d\u00edtan\u00e1 korek\u010dn\u00ed hmotnost z\u016fst\u00e1v\u00e1 platn\u00e1. Takov\u00e9 objekty se dob\u0159e hod\u00ed jak pro jednor\u00e1zov\u00e9 vyva\u017eov\u00e1n\u00ed, tak pro s\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed s vyu\u017eit\u00edm ulo\u017een\u00fdch koeficient\u016f vlivu.<\/p>\n <p>Neline\u00e1rn\u00ed objekt se chov\u00e1 z\u00e1sadn\u011b odli\u0161n\u00fdm zp\u016fsobem. T\u00edm je naru\u0161en samotn\u00fd z\u00e1klad v\u00fdpo\u010dtu vyv\u00e1\u017een\u00ed. Amplituda vibrac\u00ed ji\u017e nen\u00ed \u00fam\u011brn\u00e1 nevyv\u00e1\u017eenosti, f\u00e1ze se st\u00e1v\u00e1 nestabiln\u00ed a koeficient vlivu se m\u011bn\u00ed v z\u00e1vislosti na hmotnosti zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed, provozn\u00edm re\u017eimu nebo dokonce \u010dase. V praxi se to projevuje jako chaotick\u00e9 chov\u00e1n\u00ed vektoru vibrac\u00ed: po instalaci zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed m\u016f\u017ee b\u00fdt zm\u011bna vibrac\u00ed p\u0159\u00edli\u0161 mal\u00e1, nadm\u011brn\u00e1 nebo jednodu\u0161e neopakovateln\u00e1.<\/p>\n <\/section>\n\n <section id=\"what-are-linear-objects\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Co jsou to line\u00e1rn\u00ed objekty?<\/h2>\n <p>Line\u00e1rn\u00ed objekt je syst\u00e9m, kde vibrace jsou p\u0159\u00edmo \u00fam\u011brn\u00e9 velikosti nerovnov\u00e1hy.<\/p>\n <p>Line\u00e1rn\u00ed objekt je v kontextu vyva\u017eov\u00e1n\u00ed idealizovan\u00fd model charakterizovan\u00fd p\u0159\u00edmo \u00fam\u011brn\u00fdm vztahem mezi velikost\u00ed nevyv\u00e1\u017eenosti (nevyv\u00e1\u017een\u00e9 hmoty) a amplitudou vibrac\u00ed. To znamen\u00e1, \u017ee pokud se nevyv\u00e1\u017eenost zdvojn\u00e1sob\u00ed, zdvojn\u00e1sob\u00ed se i amplituda vibrac\u00ed, za p\u0159edpokladu, \u017ee ot\u00e1\u010dky rotoru z\u016fstanou konstantn\u00ed. Naopak, sn\u00ed\u017een\u00ed nevyv\u00e1\u017eenosti \u00fam\u011brn\u011b sn\u00ed\u017e\u00ed vibrace.<\/p>\n <p>Na rozd\u00edl od neline\u00e1rn\u00edch syst\u00e9m\u016f, kde se chov\u00e1n\u00ed objektu m\u016f\u017ee li\u0161it v z\u00e1vislosti na mnoha faktorech, line\u00e1rn\u00ed objekty umo\u017e\u0148uj\u00ed vysokou \u00farove\u0148 p\u0159esnosti s minim\u00e1ln\u00edm \u00fasil\u00edm.<\/p>\n <p>Krom\u011b toho slou\u017e\u00ed jako z\u00e1klad pro \u0161kolen\u00ed a praxi osob prov\u00e1d\u011bj\u00edc\u00edch vyva\u017eov\u00e1n\u00ed. Pochopen\u00ed princip\u016f line\u00e1rn\u00edch objekt\u016f pom\u00e1h\u00e1 rozv\u00edjet dovednosti, kter\u00e9 lze pozd\u011bji aplikovat na slo\u017eit\u011bj\u0161\u00ed syst\u00e9my.<\/p>\n <\/section>\n\n <section id=\"linearity-graph\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Grafick\u00e9 zn\u00e1zorn\u011bn\u00ed linearity<\/h2>\n <p>P\u0159edstavte si graf, kde vodorovn\u00e1 osa p\u0159edstavuje velikost nevyv\u00e1\u017een\u00e9 hmoty (nevyv\u00e1\u017eenosti) a svisl\u00e1 osa p\u0159edstavuje amplitudu vibrac\u00ed. Pro line\u00e1rn\u00ed objekt bude tento graf p\u0159\u00edmkou proch\u00e1zej\u00edc\u00ed po\u010d\u00e1tkem (bodem, kde je jak velikost nevyv\u00e1\u017eenosti, tak amplituda vibrac\u00ed nulov\u00e1). Sklon t\u00e9to p\u0159\u00edmky charakterizuje citlivost objektu na nevyv\u00e1\u017eenost: \u010d\u00edm strm\u011bj\u0161\u00ed je sklon, t\u00edm v\u011bt\u0161\u00ed jsou vibrace p\u0159i stejn\u00e9 nevyv\u00e1\u017eenosti.<\/p>\n\n <div class=\"vma-image\">\n <a href=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-1.png\" class=\"vma-img-link\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-1-1024x804.png\" alt=\"Graf 1: Vztah mezi amplitudou vibrac\u00ed (\u00b5m) a nevyv\u00e1\u017eenou hmotnost\u00ed (g)\" width=\"750\" height=\"589\" \/>\n <\/a>\n <p class=\"vma-caption\"><strong>Graf 1: Vztah mezi amplitudou vibrac\u00ed (\u00b5m) a nevyv\u00e1\u017eenou hmotnost\u00ed (g)<\/strong><\/p>\n <\/div>\n\n <p>Graf 1 zn\u00e1zor\u0148uje vztah mezi amplitudou vibrac\u00ed (\u00b5m) line\u00e1rn\u00edho vyva\u017eovac\u00edho objektu a nevyv\u00e1\u017eenou hmotnost\u00ed (g) rotoru. Koeficient \u00fam\u011brnosti je 0,5 \u00b5m\/g. Pouh\u00fdm vyd\u011blen\u00edm \u010d\u00edsla 300 \u010d\u00edslem 600 z\u00edsk\u00e1me 0,5 \u00b5m\/g. Pro nevyv\u00e1\u017eenou hmotu 800 g (UM=800 g) bude vibrace 800 g * 0,5 \u00b5m\/g = 400 \u00b5m. V\u0161imn\u011bte si, \u017ee to plat\u00ed p\u0159i konstantn\u00ed rychlosti rotoru. P\u0159i jin\u00e9 rychlosti ot\u00e1\u010den\u00ed bude koeficient jin\u00fd.<\/p>\n <p>Tento koeficient \u00fam\u011brnosti se naz\u00fdv\u00e1 koeficient vlivu (koeficient citlivosti) a m\u00e1 rozm\u011br \u00b5m\/g nebo v p\u0159\u00edpad\u011b nevyv\u00e1\u017eenosti \u00b5m\/(g*mm), kde (g*mm) je jednotka nevyv\u00e1\u017eenosti. Se znalost\u00ed koeficientu vlivu (IC) je tak\u00e9 mo\u017en\u00e9 \u0159e\u0161it inverzn\u00ed probl\u00e9m, konkr\u00e9tn\u011b ur\u010den\u00ed nevyv\u00e1\u017een\u00e9 hmoty (UM) na z\u00e1klad\u011b velikosti vibrac\u00ed. Chcete-li to prov\u00e9st, vyd\u011blte amplitudu vibrac\u00ed IC.<\/p>\n <p>Pokud je nap\u0159\u00edklad nam\u011b\u0159en\u00e1 vibrace 300 \u00b5m a zn\u00e1m\u00fd koeficient je IC=0,5 \u00b5m\/g, vyd\u011blte 300 \u010d\u00edslem 0,5 a dostanete 600 g (UM=600 g).<\/p>\n <\/section>\n\n <section id=\"influence-coefficient\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Koeficient vlivu (IC): Kl\u00ed\u010dov\u00fd parametr line\u00e1rn\u00edch objekt\u016f<\/h2>\n <p>Kritickou charakteristikou line\u00e1rn\u00edho objektu je koeficient vlivu (IC). \u010c\u00edseln\u011b se rovn\u00e1 tangense \u00fahlu sklonu p\u0159\u00edmky na grafu vibrac\u00ed versus nevyv\u00e1\u017eenosti a ud\u00e1v\u00e1, o kolik se zm\u011bn\u00ed amplituda vibrac\u00ed (v mikronech, \u00b5m), kdy\u017e je v ur\u010dit\u00e9 korek\u010dn\u00ed rovin\u011b p\u0159i ur\u010dit\u00e9 rychlosti rotoru p\u0159id\u00e1na jednotka hmotnosti (v gramech, g). Jin\u00fdmi slovy, IC je m\u00edrou citlivosti objektu na nevyv\u00e1\u017eenost. Jeho m\u011brnou jednotkou je \u00b5m\/g, nebo pokud je nevyv\u00e1\u017eenost vyj\u00e1d\u0159ena jako sou\u010din hmotnosti a polom\u011bru, \u00b5m\/(g*mm).<\/p>\n <p>IC je v podstat\u011b \"pasovou\" charakteristikou line\u00e1rn\u00edho objektu, kter\u00e1 umo\u017e\u0148uje p\u0159edpov\u011bd\u011bt jeho chov\u00e1n\u00ed p\u0159i p\u0159id\u00e1v\u00e1n\u00ed nebo odeb\u00edr\u00e1n\u00ed hmoty. Znalost IC umo\u017e\u0148uje \u0159e\u0161it jak p\u0159\u00edm\u00fd probl\u00e9m \u2013 ur\u010den\u00ed velikosti vibrac\u00ed pro danou nevyv\u00e1\u017eenost \u2013 tak i inverzn\u00ed probl\u00e9m \u2013 v\u00fdpo\u010det velikosti nevyv\u00e1\u017eenosti z nam\u011b\u0159en\u00fdch vibrac\u00ed.<\/p>\n\n <h3 class=\"vma-h3\">P\u0159\u00edm\u00fd probl\u00e9m:<\/h3>\n <div class=\"vma-formula\">Amplituda vibrac\u00ed (\u00b5m) = IC (\u00b5m\/g) * Nevyv\u00e1\u017een\u00e1 hmotnost (g)<\/div>\n\n <h3 class=\"vma-h3\">Inverzn\u00ed probl\u00e9m:<\/h3>\n <div class=\"vma-formula\">Nevyv\u00e1\u017een\u00e1 hmotnost (g) = Amplituda vibrac\u00ed (\u00b5m) \/ IC (\u00b5m\/g)<\/div>\n <\/section>\n\n <section id=\"linear-phase\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">F\u00e1ze vibrac\u00ed v line\u00e1rn\u00edch objektech<\/h2>\n <p>Krom\u011b amplitudy je vibrace charakterizov\u00e1na tak\u00e9 svou f\u00e1z\u00ed, kter\u00e1 ud\u00e1v\u00e1 polohu rotoru v okam\u017eiku maxim\u00e1ln\u00ed odchylky od jeho rovnov\u00e1\u017en\u00e9 polohy. U line\u00e1rn\u00edho objektu je f\u00e1ze vibrac\u00ed tak\u00e9 p\u0159edv\u00eddateln\u00e1. Je to sou\u010det dvou \u00fahl\u016f:<\/p>\n <ol>\n <li>\u00dahel, kter\u00fd ur\u010duje polohu celkov\u00e9 nevyv\u00e1\u017een\u00e9 hmoty rotoru. Tento \u00fahel ud\u00e1v\u00e1 sm\u011br, ve kter\u00e9m je soust\u0159ed\u011bna prim\u00e1rn\u00ed nevyv\u00e1\u017eenost.<\/li>\n <li>Argument koeficientu vlivu. Jedn\u00e1 se o konstantn\u00ed \u00fahel, kter\u00fd charakterizuje dynamick\u00e9 vlastnosti objektu a nez\u00e1vis\u00ed na velikosti ani \u00fahlu instalace nevyv\u00e1\u017een\u00e9 hmoty.<\/li>\n <\/ol>\n <p>D\u00edky znalosti argumentu IC a m\u011b\u0159en\u00ed f\u00e1ze vibrac\u00ed je tedy mo\u017en\u00e9 ur\u010dit \u00fahel instalace nevyv\u00e1\u017een\u00e9 hmoty. To umo\u017e\u0148uje nejen v\u00fdpo\u010det korek\u010dn\u00ed velikosti hmoty, ale tak\u00e9 jej\u00ed p\u0159esn\u00e9 um\u00edst\u011bn\u00ed na rotor pro dosa\u017een\u00ed optim\u00e1ln\u00edho vyv\u00e1\u017een\u00ed.<\/p>\n <\/section>\n\n <section id=\"linear-balancing-steps\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vyva\u017eov\u00e1n\u00ed line\u00e1rn\u00edch objekt\u016f<\/h2>\n <p>Je d\u016fle\u017eit\u00e9 poznamenat, \u017ee pro line\u00e1rn\u00ed objekt takto stanoven\u00fd koeficient vlivu (IC) nez\u00e1vis\u00ed na velikosti nebo \u00fahlu instalace zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed ani na po\u010d\u00e1te\u010dn\u00ed vibraci. To je kl\u00ed\u010dov\u00e1 vlastnost linearity. Pokud IC z\u016fstane nezm\u011bn\u011bn, kdy\u017e se zm\u011bn\u00ed parametry zku\u0161ebn\u00ed hmotnosti nebo po\u010d\u00e1te\u010dn\u00ed vibrace, lze s jistotou tvrdit, \u017ee se objekt chov\u00e1 line\u00e1rn\u011b v uva\u017eovan\u00e9m rozsahu nevyv\u00e1\u017eenost\u00ed.<\/p>\n\n <h3 class=\"vma-h3\">Kroky pro vyv\u00e1\u017een\u00ed line\u00e1rn\u00edho objektu<\/h3>\n <ol>\n <li><strong>M\u011b\u0159en\u00ed po\u010d\u00e1te\u010dn\u00edch vibrac\u00ed:<\/strong> Prvn\u00edm krokem je m\u011b\u0159en\u00ed vibrac\u00ed v jejich po\u010d\u00e1te\u010dn\u00edm stavu. Stanov\u00ed se amplituda a \u00fahel vibrac\u00ed, kter\u00e9 ud\u00e1vaj\u00ed sm\u011br nevyv\u00e1\u017eenosti.<\/li>\n <li><strong>Instalace zku\u0161ebn\u00ed hmoty:<\/strong> Na rotoru je instalov\u00e1na hmota o zn\u00e1m\u00e9 hmotnosti. To pom\u00e1h\u00e1 pochopit, jak objekt reaguje na dodate\u010dn\u00e9 zat\u00ed\u017een\u00ed, a umo\u017e\u0148uje vypo\u010d\u00edtat parametry vibrac\u00ed.<\/li>\n <li><strong>P\u0159em\u011b\u0159en\u00ed vibrac\u00ed:<\/strong> Po instalaci zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed se zm\u011b\u0159\u00ed nov\u00e9 parametry vibrac\u00ed. Jejich porovn\u00e1n\u00edm s po\u010d\u00e1te\u010dn\u00edmi hodnotami je mo\u017en\u00e9 ur\u010dit, jak hmotnost ovliv\u0148uje syst\u00e9m.<\/li>\n <li><strong>V\u00fdpo\u010det opravn\u00e9 hmotnosti:<\/strong> Na z\u00e1klad\u011b nam\u011b\u0159en\u00fdch dat se ur\u010d\u00ed hmotnost a mont\u00e1\u017en\u00ed \u00fahel korek\u010dn\u00edho z\u00e1va\u017e\u00ed. Toto z\u00e1va\u017e\u00ed je um\u00edst\u011bno na rotor, aby se odstranila nevyv\u00e1\u017eenost.<\/li>\n <li><strong>Kone\u010dn\u00e9 ov\u011b\u0159en\u00ed:<\/strong> Po instalaci korek\u010dn\u00edho z\u00e1va\u017e\u00ed by se vibrace m\u011bly v\u00fdrazn\u011b sn\u00ed\u017eit. Pokud zbytkov\u00e9 vibrace st\u00e1le p\u0159ekra\u010duj\u00ed p\u0159ijatelnou \u00farove\u0148, lze postup opakovat.<\/li>\n <\/ol>\n\n <div class=\"vma-note\">\n <p><span class=\"vma-kbd\">Pozn\u00e1mka:<\/span> Line\u00e1rn\u00ed objekty slou\u017e\u00ed jako ide\u00e1ln\u00ed modely pro studium a praktick\u00e9 pou\u017eit\u00ed balan\u010dn\u00edch metod. Jejich vlastnosti umo\u017e\u0148uj\u00ed in\u017een\u00fdr\u016fm a diagnostik\u016fm zam\u011b\u0159it se na rozvoj z\u00e1kladn\u00edch dovednost\u00ed a pochopen\u00ed z\u00e1kladn\u00edch princip\u016f pr\u00e1ce s rotorov\u00fdmi syst\u00e9my. P\u0159esto\u017ee je jejich aplikace v re\u00e1ln\u00e9 praxi omezen\u00e1, studium line\u00e1rn\u00edch objekt\u016f z\u016fst\u00e1v\u00e1 d\u016fle\u017eit\u00fdm krokem v pokroku v diagnostice vibrac\u00ed a vyva\u017eov\u00e1n\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-note\">\n <p><span class=\"vma-kbd\">Z\u00e1stupn\u00fd kr\u00e1tk\u00fd k\u00f3d:<\/span> \t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd 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src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetick\u00e1 z\u00e1kladna.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan Insize-60 kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Reflexn\u00ed p\u00e1ska\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d "Balanset-1A" OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d "Balanset-1A" OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t<\/p>\n <\/div>\n <\/section>\n\n <section id=\"serial\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed a ulo\u017een\u00e9 koeficienty<\/h2>\n <p>S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed si zaslou\u017e\u00ed zvl\u00e1\u0161tn\u00ed pozornost. M\u016f\u017ee v\u00fdrazn\u011b zv\u00fd\u0161it produktivitu, ale pouze p\u0159i pou\u017eit\u00ed u line\u00e1rn\u00edch, vibra\u010dn\u011b stabiln\u00edch objekt\u016f. V takov\u00fdch p\u0159\u00edpadech lze koeficienty vlivu z\u00edskan\u00e9 na prvn\u00edm rotoru znovu pou\u017e\u00edt pro dal\u0161\u00ed identick\u00e9 rotory. Jakmile se v\u0161ak zm\u011bn\u00ed tuhost podep\u0159en\u00ed, rychlost ot\u00e1\u010den\u00ed nebo stav lo\u017eiska, opakovatelnost se ztr\u00e1c\u00ed a s\u00e9riov\u00fd p\u0159\u00edstup p\u0159est\u00e1v\u00e1 fungovat.<\/p>\n <\/section>\n\n <section id=\"nonlinear-definition\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Neline\u00e1rn\u00ed objekty: Kdy\u017e se teorie rozch\u00e1z\u00ed s prax\u00ed<\/h2>\n <h3 class=\"vma-h3\">Co je to neline\u00e1rn\u00ed objekt?<\/h3>\n <p>Neline\u00e1rn\u00ed objekt je syst\u00e9m, kde amplituda vibrac\u00ed nen\u00ed \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti. Na rozd\u00edl od line\u00e1rn\u00edch objekt\u016f, kde je vztah mezi vibracemi a hmotou nevyv\u00e1\u017eenosti reprezentov\u00e1n p\u0159\u00edmkou, v neline\u00e1rn\u00edch syst\u00e9mech m\u016f\u017ee tento vztah sledovat slo\u017eit\u00e9 trajektorie.<\/p>\n <p>V re\u00e1ln\u00e9m sv\u011bt\u011b se ne v\u0161echny objekty chovaj\u00ed line\u00e1rn\u011b. Neline\u00e1rn\u00ed objekty vykazuj\u00ed vztah mezi nevyv\u00e1\u017eenost\u00ed a vibracemi, kter\u00fd nen\u00ed p\u0159\u00edmo \u00fam\u011brn\u00fd. To znamen\u00e1, \u017ee koeficient vlivu nen\u00ed konstantn\u00ed a m\u016f\u017ee se li\u0161it v z\u00e1vislosti na n\u011bkolika faktorech, jako jsou:<\/p>\n <ul>\n <li><strong>Velikost nevyv\u00e1\u017eenosti:<\/strong> Zv\u00fd\u0161en\u00ed nevyv\u00e1\u017eenosti m\u016f\u017ee zm\u011bnit tuhost podp\u011br rotoru, co\u017e vede k neline\u00e1rn\u00edm zm\u011bn\u00e1m vibrac\u00ed.<\/li>\n <li><strong>Rychlost ot\u00e1\u010den\u00ed:<\/strong> R\u016fzn\u00e9 rezonan\u010dn\u00ed jevy mohou b\u00fdt vybuzeny p\u0159i r\u016fzn\u00fdch rychlostech ot\u00e1\u010den\u00ed, co\u017e tak\u00e9 vede k neline\u00e1rn\u00edmu chov\u00e1n\u00ed.<\/li>\n <li><strong>P\u0159\u00edtomnost v\u016fl\u00ed a mezer:<\/strong> V\u016fle a mezery v lo\u017eisk\u00e1ch a dal\u0161\u00edch spoj\u00edch mohou za ur\u010dit\u00fdch podm\u00ednek zp\u016fsobit n\u00e1hl\u00e9 zm\u011bny vibrac\u00ed.<\/li>\n <li><strong>Teplota:<\/strong> Zm\u011bny teploty mohou ovlivnit vlastnosti materi\u00e1lu a n\u00e1sledn\u011b i vibra\u010dn\u00ed charakteristiky p\u0159edm\u011btu.<\/li>\n <li><strong>Vn\u011bj\u0161\u00ed zat\u00ed\u017een\u00ed:<\/strong> Vn\u011bj\u0161\u00ed zat\u00ed\u017een\u00ed p\u016fsob\u00edc\u00ed na rotor m\u016f\u017ee zm\u011bnit jeho dynamick\u00e9 charakteristiky a v\u00e9st k neline\u00e1rn\u00edmu chov\u00e1n\u00ed.<\/li>\n <\/ul>\n\n <h3 class=\"vma-h3\">Pro\u010d jsou neline\u00e1rn\u00ed objekty n\u00e1ro\u010dn\u00e9?<\/h3>\n <p>Nelinearita zav\u00e1d\u00ed do procesu vyva\u017eov\u00e1n\u00ed mnoho prom\u011bnn\u00fdch. \u00dasp\u011b\u0161n\u00e1 pr\u00e1ce s neline\u00e1rn\u00edmi objekty vy\u017eaduje v\u00edce m\u011b\u0159en\u00ed a slo\u017eit\u011bj\u0161\u00ed anal\u00fdzu. Nap\u0159\u00edklad standardn\u00ed metody pou\u017eiteln\u00e9 pro line\u00e1rn\u00ed objekty ned\u00e1vaj\u00ed v\u017edy p\u0159esn\u00e9 v\u00fdsledky pro neline\u00e1rn\u00ed syst\u00e9my. To vy\u017eaduje hlub\u0161\u00ed pochopen\u00ed fyziky procesu a pou\u017eit\u00ed specializovan\u00fdch diagnostick\u00fdch metod.<\/p>\n <\/section>\n\n <section id=\"nonlinear-signs\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Zn\u00e1mky nelinearity<\/h2>\n <p>Neline\u00e1rn\u00ed objekt lze identifikovat podle n\u00e1sleduj\u00edc\u00edch znak\u016f:<\/p>\n <ul>\n <li><strong>Neproporcion\u00e1ln\u00ed zm\u011bny vibrac\u00ed:<\/strong> Jak se nerovnov\u00e1ha zvy\u0161uje, vibrace mohou r\u016fst rychleji nebo pomaleji, ne\u017e se o\u010dek\u00e1v\u00e1 u line\u00e1rn\u00edho objektu.<\/li>\n <li><strong>F\u00e1zov\u00fd posun vibrac\u00ed:<\/strong> Vibra\u010dn\u00ed f\u00e1ze se m\u016f\u017ee nep\u0159edv\u00eddateln\u011b m\u011bnit se zm\u011bnami nerovnov\u00e1hy nebo rychlosti ot\u00e1\u010den\u00ed.<\/li>\n <li><strong>P\u0159\u00edtomnost harmonick\u00fdch a subharmonick\u00fdch:<\/strong> Vibra\u010dn\u00ed spektrum m\u016f\u017ee vykazovat vy\u0161\u0161\u00ed harmonick\u00e9 (n\u00e1sobky rota\u010dn\u00ed frekvence) a subharmonick\u00e9 (zlomky rota\u010dn\u00ed frekvence), co\u017e nazna\u010duje neline\u00e1rn\u00ed efekty.<\/li>\n <li><strong>Hystereze:<\/strong> Amplituda vibrac\u00ed m\u016f\u017ee z\u00e1viset nejen na aktu\u00e1ln\u00ed hodnot\u011b nerovnov\u00e1hy, ale tak\u00e9 na jej\u00ed historii. Nap\u0159\u00edklad, kdy\u017e se nerovnov\u00e1ha zv\u00fd\u0161\u00ed a pot\u00e9 sn\u00ed\u017e\u00ed zp\u011bt na p\u016fvodn\u00ed hodnotu, amplituda vibrac\u00ed se nemus\u00ed vr\u00e1tit na svou p\u016fvodn\u00ed \u00farove\u0148.<\/li>\n <\/ul>\n <p>Nelinearita zav\u00e1d\u00ed do procesu vyva\u017eov\u00e1n\u00ed mnoho prom\u011bnn\u00fdch. Pro \u00fasp\u011b\u0161n\u00fd provoz je zapot\u0159eb\u00ed v\u00edce m\u011b\u0159en\u00ed a komplexn\u00ed anal\u00fdzy. Nap\u0159\u00edklad standardn\u00ed metody pou\u017eiteln\u00e9 pro line\u00e1rn\u00ed objekty ned\u00e1vaj\u00ed v\u017edy p\u0159esn\u00e9 v\u00fdsledky pro neline\u00e1rn\u00ed syst\u00e9my. To vy\u017eaduje hlub\u0161\u00ed pochopen\u00ed fyziky proces\u016f a pou\u017eit\u00ed specializovan\u00fdch diagnostick\u00fdch metod.<\/p>\n <\/section>\n\n <section id=\"nonlinear-graph\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Grafick\u00e9 zn\u00e1zorn\u011bn\u00ed nelinearity<\/h2>\n <p>Na grafu vibrac\u00ed versus nerovnov\u00e1hy je nelinearita z\u0159ejm\u00e1 v odchylk\u00e1ch od p\u0159\u00edmky. Graf m\u016f\u017ee obsahovat ohyby, zak\u0159iven\u00ed, hysterezn\u00ed smy\u010dky a dal\u0161\u00ed charakteristiky, kter\u00e9 indikuj\u00ed slo\u017eit\u00fd vztah mezi nerovnov\u00e1hou a vibracemi.<\/p>\n\n <div class=\"vma-image\">\n <a href=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-3.png\" class=\"vma-img-link\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-3-1024x816.png\" alt=\"Graf 2. Neline\u00e1rn\u00ed objekt\" width=\"750\" height=\"598\" \/>\n <\/a>\n <p class=\"vma-caption\"><strong>Graf 2. Neline\u00e1rn\u00ed objekt<\/strong><\/p>\n <p class=\"vma-caption\"><strong>50 g; 40 \u03bcm (\u017elut\u00e1), 100 g; 54,7 \u03bcm (modr\u00e1).<\/strong><\/p>\n <\/div>\n\n <p>Tento objekt m\u00e1 dva segmenty, dv\u011b p\u0159\u00edmky. Pro nerovnov\u00e1hy men\u0161\u00ed ne\u017e 50 gram\u016f graf odr\u00e1\u017e\u00ed vlastnosti line\u00e1rn\u00edho objektu a zachov\u00e1v\u00e1 \u00fam\u011brnost mezi nerovnov\u00e1hou v gramech a amplitudou vibrac\u00ed v mikronech. U nerovnovah v\u011bt\u0161\u00edch ne\u017e 50 gram\u016f se r\u016fst amplitudy vibrac\u00ed zpomaluje.<\/p>\n <\/section>\n\n <section id=\"nonlinear-examples\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">P\u0159\u00edklady neline\u00e1rn\u00edch objekt\u016f<\/h2>\n <p>P\u0159\u00edklady neline\u00e1rn\u00edch objekt\u016f v kontextu vyva\u017eov\u00e1n\u00ed zahrnuj\u00ed:<\/p>\n <ul>\n <li><strong>Rotory s prasklinami:<\/strong> Trhliny v rotoru mohou v\u00e9st k neline\u00e1rn\u00edm zm\u011bn\u00e1m tuhosti a v d\u016fsledku toho k neline\u00e1rn\u00edmu vztahu mezi vibracemi a nerovnov\u00e1hou.<\/li>\n <li><strong>Rotory s v\u016fl\u00ed lo\u017eisek:<\/strong> V\u016fle v lo\u017eisk\u00e1ch mohou za ur\u010dit\u00fdch podm\u00ednek zp\u016fsobit n\u00e1hl\u00e9 zm\u011bny vibrac\u00ed.<\/li>\n <li><strong>Rotory s neline\u00e1rn\u00edmi elastick\u00fdmi prvky:<\/strong> N\u011bkter\u00e9 elastick\u00e9 prvky, jako nap\u0159\u00edklad pry\u017eov\u00e9 tlumi\u010de, mohou vykazovat neline\u00e1rn\u00ed vlastnosti, kter\u00e9 ovliv\u0148uj\u00ed dynamiku rotoru.<\/li>\n <\/ul>\n <\/section>\n\n <section id=\"nonlinear-types\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Typy nelinearity<\/h2>\n <h3 class=\"vma-h3\">1. M\u011bkko-tuh\u00e1 nelinearita<\/h3>\n <p>V takov\u00fdch syst\u00e9mech jsou pozorov\u00e1ny dva segmenty: m\u011bkk\u00fd a tuh\u00fd. V m\u011bkk\u00e9m segmentu se chov\u00e1n\u00ed podob\u00e1 linearit\u011b, kde se amplituda vibrac\u00ed zvy\u0161uje \u00fam\u011brn\u011b hmotnosti nevyv\u00e1\u017eenosti. Po ur\u010dit\u00e9m prahu (bodu zlomu) v\u0161ak syst\u00e9m p\u0159ejde do tuh\u00e9ho re\u017eimu, kdy se r\u016fst amplitudy zpomal\u00ed.<\/p>\n <h3 class=\"vma-h3\">2. Elastick\u00e1 nelinearita<\/h3>\n <p>Zm\u011bny v tuhosti podp\u011br nebo kontakt\u016f v syst\u00e9mu zp\u016fsobuj\u00ed, \u017ee vztah vibrace-nevyv\u00e1\u017eenost je slo\u017eit\u00fd. Vibrace se mohou nap\u0159\u00edklad n\u00e1hle zv\u00fd\u0161it nebo sn\u00ed\u017eit p\u0159i p\u0159ekro\u010den\u00ed specifick\u00fdch prah\u016f zat\u00ed\u017een\u00ed.<\/p>\n <h3 class=\"vma-h3\">3. Nelinearita vyvolan\u00e1 t\u0159en\u00edm<\/h3>\n <p>V syst\u00e9mech s v\u00fdznamn\u00fdm t\u0159en\u00edm (nap\u0159. v lo\u017eisk\u00e1ch) m\u016f\u017ee b\u00fdt amplituda vibrac\u00ed nep\u0159edv\u00eddateln\u00e1. T\u0159en\u00ed m\u016f\u017ee sn\u00ed\u017eit vibrace v jednom rozsahu ot\u00e1\u010dek a zes\u00edlit je v jin\u00e9m.<\/p>\n <\/section>\n\n <section id=\"causes\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">\u010cast\u00e9 p\u0159\u00ed\u010diny neline\u00e1rnosti<\/h2>\n <p>Nej\u010dast\u011bj\u0161\u00edmi p\u0159\u00ed\u010dinami nelinearity jsou zv\u011bt\u0161en\u00e9 v\u016fle lo\u017eisek, opot\u0159eben\u00ed lo\u017eisek, such\u00e9 t\u0159en\u00ed, uvoln\u011bn\u00e9 podp\u011bry, trhliny v konstrukci a provoz v bl\u00edzkosti rezonan\u010dn\u00edch frekvenc\u00ed. Objekt \u010dasto vykazuje tzv. m\u011bkko-tvrdou nelinearitu. P\u0159i mal\u00fdch \u00farovn\u00edch nevyv\u00e1\u017eenosti se syst\u00e9m chov\u00e1 t\u00e9m\u011b\u0159 line\u00e1rn\u011b, ale s rostouc\u00edmi vibracemi se zapojuj\u00ed tu\u017e\u0161\u00ed prvky podp\u011br nebo sk\u0159\u00edn\u011b. V takov\u00fdch p\u0159\u00edpadech je vyv\u00e1\u017een\u00ed mo\u017en\u00e9 pouze v \u00fazk\u00e9m provozn\u00edm rozsahu a neposkytuje stabiln\u00ed dlouhodob\u00e9 v\u00fdsledky.<\/p>\n <\/section>\n\n <section id=\"instability\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vibra\u010dn\u00ed nestabilita<\/h2>\n <p>Dal\u0161\u00edm v\u00e1\u017en\u00fdm probl\u00e9mem je nestabilita vibrac\u00ed. I form\u00e1ln\u011b line\u00e1rn\u00ed objekt m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu vykazovat zm\u011bny amplitudy a f\u00e1ze. To je zp\u016fsobeno tepeln\u00fdmi \u00fa\u010dinky, zm\u011bnami viskozity maziva, tepelnou rozta\u017enost\u00ed a nestabiln\u00edm t\u0159en\u00edm v podp\u011br\u00e1ch. V d\u016fsledku toho mohou m\u011b\u0159en\u00ed prov\u00e1d\u011bn\u00e1 s odstupem jen n\u011bkolika minut v\u00e9st k r\u016fzn\u00fdm vektor\u016fm vibrac\u00ed. Za t\u011bchto podm\u00ednek je smyslupln\u00e9 srovn\u00e1n\u00ed m\u011b\u0159en\u00ed nemo\u017en\u00e9 a v\u00fdpo\u010det vyv\u00e1\u017een\u00ed ztr\u00e1c\u00ed spolehlivost.<\/p>\n <\/section>\n\n <section id=\"resonance\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vyva\u017eov\u00e1n\u00ed v bl\u00edzkosti rezonance<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed v bl\u00edzkosti rezonance je obzvl\u00e1\u0161t\u011b problematick\u00e9. Pokud se rota\u010dn\u00ed frekvence shoduje s vlastn\u00ed frekvenc\u00ed syst\u00e9mu nebo se j\u00ed bl\u00ed\u017e\u00ed, i mal\u00e1 nevyv\u00e1\u017eenost zp\u016fsob\u00ed prudk\u00fd n\u00e1r\u016fst vibrac\u00ed. F\u00e1ze vibrac\u00ed se st\u00e1v\u00e1 extr\u00e9mn\u011b citlivou na mal\u00e9 zm\u011bny rychlosti. Objekt efektivn\u011b vstupuje do neline\u00e1rn\u00edho re\u017eimu a vyva\u017eov\u00e1n\u00ed v t\u00e9to z\u00f3n\u011b ztr\u00e1c\u00ed fyzik\u00e1ln\u00ed v\u00fdznam. V takov\u00fdch p\u0159\u00edpadech je nutn\u00e9 p\u0159ed zv\u00e1\u017een\u00edm vyva\u017eov\u00e1n\u00ed zm\u011bnit provozn\u00ed rychlost nebo mechanickou konstrukci.<\/p>\n <\/section>\n\n <section id=\"high-after\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vysok\u00e9 vibrace po \u201c\u00fasp\u011b\u0161n\u00e9m\u201d vyv\u00e1\u017een\u00ed<\/h2>\n <p>V praxi se b\u011b\u017en\u011b setk\u00e1v\u00e1me se situacemi, kdy i po form\u00e1ln\u011b \u00fasp\u011b\u0161n\u00e9m vyva\u017eov\u00e1n\u00ed z\u016fst\u00e1v\u00e1 celkov\u00e1 \u00farove\u0148 vibrac\u00ed vysok\u00e1. To neznamen\u00e1 chybu p\u0159\u00edstroje ani obsluhy. Vyva\u017eov\u00e1n\u00ed eliminuje pouze nevyv\u00e1\u017eenost hmoty. Pokud jsou vibrace zp\u016fsobeny vadami z\u00e1klad\u016f, uvoln\u011bn\u00fdmi spojovac\u00edmi prvky, nesouosost\u00ed nebo rezonanc\u00ed, korek\u010dn\u00ed z\u00e1va\u017e\u00ed probl\u00e9m nevy\u0159e\u0161\u00ed. V t\u011bchto p\u0159\u00edpadech pom\u00e1h\u00e1 anal\u00fdza prostorov\u00e9ho rozlo\u017een\u00ed vibrac\u00ed nap\u0159\u00ed\u010d strojem a jeho z\u00e1kladem identifikovat skute\u010dnou p\u0159\u00ed\u010dinu.<\/p>\n <\/section>\n\n <section id=\"nonlinear-methods\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f: slo\u017eit\u00fd \u00fakol s nekonven\u010dn\u00edmi \u0159e\u0161en\u00edmi<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f je n\u00e1ro\u010dn\u00fd \u00fakol, kter\u00fd vy\u017eaduje specializovan\u00e9 metody a p\u0159\u00edstupy. Standardn\u00ed metoda zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed vyvinut\u00e1 pro line\u00e1rn\u00ed objekty m\u016f\u017ee poskytovat chybn\u00e9 v\u00fdsledky nebo b\u00fdt zcela nepou\u017eiteln\u00e1.<\/p>\n\n <h3 class=\"vma-h3\">Metody vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f<\/h3>\n <ul>\n <li><strong>Vyva\u017eov\u00e1n\u00ed krok za krokem:<\/strong> Tato metoda spo\u010d\u00edv\u00e1 v postupn\u00e9m sni\u017eov\u00e1n\u00ed nevyv\u00e1\u017eenosti instalac\u00ed korek\u010dn\u00edch z\u00e1va\u017e\u00ed v ka\u017ed\u00e9 f\u00e1zi. Po ka\u017ed\u00e9 f\u00e1zi se prov\u00e1d\u011bj\u00ed m\u011b\u0159en\u00ed vibrac\u00ed a na z\u00e1klad\u011b aktu\u00e1ln\u00edho stavu objektu se ur\u010d\u00ed nov\u00e9 korek\u010dn\u00ed z\u00e1va\u017e\u00ed. Tento p\u0159\u00edstup zohled\u0148uje zm\u011bny koeficientu vlivu b\u011bhem procesu vyva\u017eov\u00e1n\u00ed.<\/li>\n <li><strong>Vyva\u017eov\u00e1n\u00ed p\u0159i v\u00edce rychlostech:<\/strong> Tato metoda \u0159e\u0161\u00ed \u00fa\u010dinky rezonan\u010dn\u00edch jev\u016f p\u0159i r\u016fzn\u00fdch rychlostech ot\u00e1\u010den\u00ed. Vyva\u017eov\u00e1n\u00ed se prov\u00e1d\u00ed p\u0159i n\u011bkolika rychlostech bl\u00edzk\u00fdch rezonanci, co\u017e umo\u017e\u0148uje rovnom\u011brn\u011bj\u0161\u00ed sn\u00ed\u017een\u00ed vibrac\u00ed v cel\u00e9m rozsahu provozn\u00edch rychlost\u00ed.<\/li>\n <li><strong>Pou\u017eit\u00ed matematick\u00fdch model\u016f:<\/strong> Pro slo\u017eit\u00e9 neline\u00e1rn\u00ed objekty lze pou\u017e\u00edt matematick\u00e9 modely popisuj\u00edc\u00ed dynamiku rotoru p\u0159i zohledn\u011bn\u00ed neline\u00e1rn\u00edch efekt\u016f. Tyto modely pom\u00e1haj\u00ed p\u0159edpov\u00eddat chov\u00e1n\u00ed objektu za r\u016fzn\u00fdch podm\u00ednek a ur\u010dovat optim\u00e1ln\u00ed parametry vyva\u017eov\u00e1n\u00ed.<\/li>\n <\/ul>\n\n <p>Zku\u0161enosti a intuice specialisty hraj\u00ed kl\u00ed\u010dovou roli p\u0159i vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f. Zku\u0161en\u00fd vyva\u017eova\u010d dok\u00e1\u017ee rozpoznat zn\u00e1mky nelinearity, zvolit vhodnou metodu a p\u0159izp\u016fsobit ji konkr\u00e9tn\u00ed situaci. Anal\u00fdza vibra\u010dn\u00edch spekter, pozorov\u00e1n\u00ed zm\u011bn vibrac\u00ed p\u0159i zm\u011bn\u00e1ch provozn\u00edch parametr\u016f objektu a zohledn\u011bn\u00ed konstruk\u010dn\u00edch vlastnost\u00ed rotoru pom\u00e1haj\u00ed p\u0159i spr\u00e1vn\u00e9m rozhodov\u00e1n\u00ed a dosa\u017een\u00ed po\u017eadovan\u00fdch v\u00fdsledk\u016f.<\/p>\n <\/section>\n\n <section id=\"nonlinear-howto-linear-tool\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Jak vyv\u00e1\u017eit neline\u00e1rn\u00ed objekty pomoc\u00ed n\u00e1stroje ur\u010den\u00e9ho pro line\u00e1rn\u00ed objekty<\/h2>\n <p>To je dobr\u00e1 ot\u00e1zka. M\u016fj osobn\u00ed zp\u016fsob vyva\u017eov\u00e1n\u00ed takov\u00fdch p\u0159edm\u011bt\u016f za\u010d\u00edn\u00e1 opravou mechanismu: v\u00fdm\u011bnou lo\u017eisek, opravou prasklin sva\u0159ov\u00e1n\u00edm, dota\u017een\u00edm \u0161roub\u016f, kontrolou kotev nebo izol\u00e1tor\u016f vibrac\u00ed a ov\u011b\u0159en\u00edm, \u017ee rotor ned\u0159e o stacion\u00e1rn\u00ed konstruk\u010dn\u00ed prvky.<\/p>\n <p>D\u00e1le identifikuji rezonan\u010dn\u00ed frekvence, proto\u017ee je nemo\u017en\u00e9 vyv\u00e1\u017eit rotor p\u0159i rychlostech bl\u00edzk\u00fdch rezonanci. K tomu pou\u017e\u00edv\u00e1m n\u00e1razovou metodu pro stanoven\u00ed rezonance nebo graf poklesu ot\u00e1\u010dek rotoru.<\/p>\n <p>Pak ur\u010d\u00edm polohu senzoru na mechanismu: svisle, vodorovn\u011b nebo pod \u00fahlem.<\/p>\n <p>Po zku\u0161ebn\u00edch j\u00edzd\u00e1ch p\u0159\u00edstroj indikuje \u00fahel a hmotnost korek\u010dn\u00edch z\u00e1t\u011b\u017e\u00ed. Sni\u017euji hmotnost korek\u010dn\u00ed z\u00e1t\u011b\u017ee na polovinu, ale pro um\u00edst\u011bn\u00ed rotoru pou\u017e\u00edv\u00e1m \u00fahly navr\u017een\u00e9 za\u0159\u00edzen\u00edm. Pokud zbytkov\u00e9 vibrace po korekci st\u00e1le p\u0159ekra\u010duj\u00ed p\u0159ijatelnou \u00farove\u0148, prov\u00e1d\u00edm dal\u0161\u00ed chod rotoru. To samoz\u0159ejm\u011b zabere v\u00edce \u010dasu, ale v\u00fdsledky jsou n\u011bkdy inspirativn\u00ed.<\/p>\n <\/section>\n\n <section id=\"art-science\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Um\u011bn\u00ed a v\u011bda vyva\u017eov\u00e1n\u00ed rota\u010dn\u00edch za\u0159\u00edzen\u00ed<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed rota\u010dn\u00edch za\u0159\u00edzen\u00ed je komplexn\u00ed proces, kter\u00fd kombinuje prvky v\u011bdy a um\u011bn\u00ed. U line\u00e1rn\u00edch objekt\u016f zahrnuje vyva\u017eov\u00e1n\u00ed relativn\u011b jednoduch\u00e9 v\u00fdpo\u010dty a standardn\u00ed metody. Pr\u00e1ce s neline\u00e1rn\u00edmi objekty v\u0161ak vy\u017eaduje hlubok\u00e9 pochopen\u00ed dynamiky rotoru, schopnost analyzovat vibra\u010dn\u00ed sign\u00e1ly a dovednost zvolit nej\u00fa\u010dinn\u011bj\u0161\u00ed strategie vyva\u017eov\u00e1n\u00ed.<\/p>\n <p>Zku\u0161enosti, intuice a neust\u00e1l\u00e9 zlep\u0161ov\u00e1n\u00ed dovednost\u00ed jsou t\u00edm, co d\u011bl\u00e1 ze specialisty na vyva\u017eov\u00e1n\u00ed opravdov\u00e9ho mistra sv\u00e9ho \u0159emesla. Kvalita vyv\u00e1\u017een\u00ed toti\u017e ur\u010duje nejen efektivitu a spolehlivost provozu za\u0159\u00edzen\u00ed, ale tak\u00e9 zaji\u0161\u0165uje bezpe\u010dnost lid\u00ed.<\/p>\n <p> <\/p>\n <\/section>\n\n <section id=\"measurement\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Opakovatelnost m\u011b\u0159en\u00ed<\/h2>\n <p>D\u016fle\u017eitou roli hraj\u00ed i probl\u00e9my s m\u011b\u0159en\u00edm. Nespr\u00e1vn\u00e1 instalace vibra\u010dn\u00edch senzor\u016f, zm\u011bny v m\u011b\u0159ic\u00edch bodech nebo nespr\u00e1vn\u00e1 orientace senzoru p\u0159\u00edmo ovliv\u0148uj\u00ed amplitudu i f\u00e1zi. Pro vyv\u00e1\u017een\u00ed nesta\u010d\u00ed jen m\u011b\u0159it vibrace; kritick\u00e1 je opakovatelnost a stabilita m\u011b\u0159en\u00ed. Proto je v praxi nutn\u00e9 p\u0159\u00edsn\u011b kontrolovat um\u00edst\u011bn\u00ed a orientaci senzor\u016f.<\/p>\n <\/section>\n\n <section id=\"approach\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Praktick\u00fd p\u0159\u00edstup k neline\u00e1rn\u00edm objekt\u016fm<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edho objektu neza\u010d\u00edn\u00e1 v\u017edy instalac\u00ed zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed, ale vyhodnocen\u00edm vibra\u010dn\u00edho chov\u00e1n\u00ed. Pokud se amplituda a f\u00e1ze v \u010dase zjevn\u011b m\u011bn\u00ed, m\u011bn\u00ed se od jednoho startu k druh\u00e9mu nebo ost\u0159e reaguj\u00ed na mal\u00e9 zm\u011bny rychlosti, prvn\u00edm \u00fakolem je dos\u00e1hnout co nejstabiln\u011bj\u0161\u00edho provozn\u00edho re\u017eimu. Bez toho budou jak\u00e9koli v\u00fdpo\u010dty n\u00e1hodn\u00e9.<\/p>\n <p>Prvn\u00edm praktick\u00fdm krokem je volba spr\u00e1vn\u00e9 rychlosti. Neline\u00e1rn\u00ed objekty jsou extr\u00e9mn\u011b citliv\u00e9 na rezonanci, proto je nutn\u00e9 vyva\u017eov\u00e1n\u00ed prov\u00e1d\u011bt rychlost\u00ed co nejd\u00e1le od vlastn\u00edch frekvenc\u00ed. To \u010dasto znamen\u00e1 pohyb pod nebo nad obvykl\u00fdm provozn\u00edm rozsahem. I kdy\u017e jsou vibrace p\u0159i t\u00e9to rychlosti vy\u0161\u0161\u00ed, ale stabiln\u00ed, je vhodn\u011bj\u0161\u00ed ne\u017e vyva\u017eov\u00e1n\u00ed v rezonan\u010dn\u00ed z\u00f3n\u011b.<\/p>\n <p>D\u00e1le je d\u016fle\u017eit\u00e9 minimalizovat v\u0161echny zdroje dodate\u010dn\u00e9 nelinearity. P\u0159ed vyv\u00e1\u017een\u00edm by m\u011bly b\u00fdt zkontrolov\u00e1ny a uta\u017eeny v\u0161echny spojovac\u00ed prvky, co nejv\u00edce eliminov\u00e1ny v\u016fle a podp\u011bry a lo\u017eiskov\u00e9 jednotky zkontrolov\u00e1ny na uvoln\u011bn\u00ed. Vyva\u017eov\u00e1n\u00ed nekompenzuje v\u016fle ani t\u0159en\u00ed, ale m\u016f\u017ee b\u00fdt mo\u017en\u00e9, pokud se tyto faktory uvedou do stabiln\u00edho stavu.<\/p>\n <p>P\u0159i pr\u00e1ci s neline\u00e1rn\u00edm objektem by se mal\u00e1 zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed nem\u011bla pou\u017e\u00edvat ze zvyku. P\u0159\u00edli\u0161 mal\u00e9 zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed \u010dasto nedok\u00e1\u017ee syst\u00e9m posunout do opakovateln\u00e9 oblasti a zm\u011bna vibrac\u00ed se st\u00e1v\u00e1 srovnatelnou s \u0161umem nestability. Zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed mus\u00ed b\u00fdt dostate\u010dn\u011b velk\u00e9, aby zp\u016fsobilo jasnou a reprodukovatelnou zm\u011bnu vektoru vibrac\u00ed, ale ne tak velk\u00e9, aby objekt uvedlo do jin\u00e9ho provozn\u00edho re\u017eimu.<\/p>\n <p>M\u011b\u0159en\u00ed by m\u011bla b\u00fdt prov\u00e1d\u011bna rychle a za identick\u00fdch podm\u00ednek. \u010c\u00edm krat\u0161\u00ed je doba mezi m\u011b\u0159en\u00edmi, t\u00edm vy\u0161\u0161\u00ed je \u0161ance, \u017ee dynamick\u00e9 parametry syst\u00e9mu z\u016fstanou nezm\u011bn\u011bny. Doporu\u010duje se prov\u00e9st n\u011bkolik kontroln\u00edch b\u011bh\u016f beze zm\u011bny konfigurace, aby se ov\u011b\u0159ilo, \u017ee se objekt chov\u00e1 konzistentn\u011b.<\/p>\n <p>Je velmi d\u016fle\u017eit\u00e9 zafixovat mont\u00e1\u017en\u00ed body vibra\u010dn\u00edho senzoru a jejich orientaci. U neline\u00e1rn\u00edch objekt\u016f m\u016f\u017ee i mal\u00e9 posunut\u00ed senzoru zp\u016fsobit znateln\u00e9 zm\u011bny f\u00e1ze a amplitudy, kter\u00e9 mohou b\u00fdt myln\u011b interpretov\u00e1ny jako vliv zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed.<\/p>\n <p>P\u0159i v\u00fdpo\u010dtech by se pozornost nem\u011bla v\u011bnovat p\u0159esn\u00e9 numerick\u00e9 shod\u011b, ale trend\u016fm. Pokud vibrace s n\u00e1sledn\u00fdmi korekcemi konzistentn\u011b klesaj\u00ed, nazna\u010duje to, \u017ee vyva\u017eov\u00e1n\u00ed se ub\u00edr\u00e1 spr\u00e1vn\u00fdm sm\u011brem, i kdy\u017e koeficienty vlivu form\u00e1ln\u011b nekonverguj\u00ed.<\/p>\n <p>Nedoporu\u010duje se ukl\u00e1dat a znovu pou\u017e\u00edvat koeficienty vlivu pro neline\u00e1rn\u00ed objekty. I kdy\u017e je jeden vyva\u017eovac\u00ed cyklus \u00fasp\u011b\u0161n\u00fd, p\u0159i dal\u0161\u00edm spu\u0161t\u011bn\u00ed m\u016f\u017ee objekt p\u0159ej\u00edt do jin\u00e9ho re\u017eimu a p\u0159edchoz\u00ed koeficienty ji\u017e nebudou platn\u00e9.<\/p>\n <p>Je t\u0159eba si uv\u011bdomit, \u017ee vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edho objektu je \u010dasto kompromis. C\u00edlem nen\u00ed dos\u00e1hnout co nejni\u017e\u0161\u00ed vibrace, ale uv\u00e9st stroj do stabiln\u00edho a opakovateln\u00e9ho stavu s p\u0159ijatelnou \u00farovn\u00ed vibrac\u00ed. V mnoha p\u0159\u00edpadech se jedn\u00e1 o do\u010dasn\u00e9 \u0159e\u0161en\u00ed, dokud nebudou opravena lo\u017eiska, obnoveny podp\u011bry nebo upravena konstrukce.<\/p>\n <p>Hlavn\u00ed praktickou z\u00e1sadou je nejprve objekt stabilizovat, pot\u00e9 jej vyv\u00e1\u017eit a teprve pot\u00e9 vyhodnotit v\u00fdsledek. Pokud nelze stabilizace dos\u00e1hnout, m\u011blo by b\u00fdt vyv\u00e1\u017een\u00ed pova\u017eov\u00e1no sp\u00ed\u0161e za pomocn\u00e9 opat\u0159en\u00ed ne\u017e za kone\u010dn\u00e9 \u0159e\u0161en\u00ed.<\/p>\n <\/section>\n\n <section id=\"reduced-correction\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Technika redukovan\u00e9 korek\u010dn\u00ed hmotnosti<\/h2>\n <p>V praxi se p\u0159i vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f \u010dasto ukazuje jako \u00fa\u010dinn\u00e1 dal\u0161\u00ed d\u016fle\u017eit\u00e1 technika. Pokud p\u0159\u00edstroj vypo\u010d\u00edt\u00e1 korek\u010dn\u00ed z\u00e1va\u017e\u00ed pomoc\u00ed standardn\u00edho algoritmu, instalace pln\u00e9ho vypo\u010d\u00edtan\u00e9ho z\u00e1va\u017e\u00ed situaci \u010dasto zhor\u0161\u00ed: mohou se zv\u00fd\u0161it vibrace, f\u00e1ze m\u016f\u017ee p\u0159eskakovat a objekt se m\u016f\u017ee p\u0159esunout do jin\u00e9ho provozn\u00edho re\u017eimu.<\/p>\n <p>V takov\u00fdch p\u0159\u00edpadech se osv\u011bd\u010duje instalace sn\u00ed\u017een\u00e9 korek\u010dn\u00ed v\u00e1hy \u2013 dvakr\u00e1t nebo n\u011bkdy i t\u0159ikr\u00e1t men\u0161\u00ed, ne\u017e je hodnota vypo\u010d\u00edtan\u00e1 p\u0159\u00edstrojem. To pom\u00e1h\u00e1 zabr\u00e1nit \u201cvyhozen\u00ed\u201d syst\u00e9mu z podm\u00edn\u011bn\u011b line\u00e1rn\u00ed oblasti do dal\u0161\u00edho neline\u00e1rn\u00edho re\u017eimu. V podstat\u011b se korekce aplikuje jemn\u011b, s mal\u00fdm krokem, ani\u017e by zp\u016fsobila prudkou zm\u011bnu dynamick\u00fdch parametr\u016f objektu.<\/p>\n <p>Po instalaci redukovan\u00e9ho z\u00e1va\u017e\u00ed je nutn\u00e9 prov\u00e9st kontroln\u00ed j\u00edzdu a vyhodnotit trend vibrac\u00ed. Pokud amplituda stabiln\u011b kles\u00e1 a f\u00e1ze z\u016fst\u00e1v\u00e1 relativn\u011b stabiln\u00ed, lze korekci opakovat stejn\u00fdm zp\u016fsobem a postupn\u011b se p\u0159ibli\u017eovat minim\u00e1ln\u00ed dosa\u017eiteln\u00e9 \u00farovni vibrac\u00ed. Tato postupn\u00e1 metoda je \u010dasto spolehliv\u011bj\u0161\u00ed ne\u017e jednor\u00e1zov\u00e1 instalace cel\u00e9ho vypo\u010d\u00edtan\u00e9ho korek\u010dn\u00edho z\u00e1va\u017e\u00ed.<\/p>\n <p>Tato technika je obzvl\u00e1\u0161t\u011b \u00fa\u010dinn\u00e1 pro objekty s v\u016flemi, such\u00fdm t\u0159en\u00edm a m\u011bkko-tvrd\u00fdmi podp\u011brami, kde pln\u00e1 vypo\u010d\u00edtan\u00e1 korekce okam\u017eit\u011b vytla\u010d\u00ed syst\u00e9m z podm\u00edn\u011bn\u011b line\u00e1rn\u00ed z\u00f3ny. Pou\u017eit\u00ed sn\u00ed\u017een\u00fdch korek\u010dn\u00edch hmotnost\u00ed umo\u017e\u0148uje objektu z\u016fstat v nejstabiln\u011bj\u0161\u00edm provozn\u00edm re\u017eimu a umo\u017e\u0148uje dos\u00e1hnout praktick\u00e9ho v\u00fdsledku i tam, kde je vyv\u00e1\u017een\u00ed form\u00e1ln\u011b pova\u017eov\u00e1no za nemo\u017en\u00e9.<\/p>\n <p>Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee se nejedn\u00e1 o \u201cchybu p\u0159\u00edstroje\u201d, ale o d\u016fsledek fyziky neline\u00e1rn\u00edch syst\u00e9m\u016f. P\u0159\u00edstroj spr\u00e1vn\u011b vypo\u010d\u00edt\u00e1v\u00e1 pro line\u00e1rn\u00ed model, zat\u00edmco in\u017een\u00fdr v praxi p\u0159izp\u016fsobuje v\u00fdsledek skute\u010dn\u00e9mu chov\u00e1n\u00ed mechanick\u00e9ho syst\u00e9mu.<\/p>\n <\/section>\n\n <section id=\"conclusion\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Z\u00e1v\u011bre\u010dn\u00e1 z\u00e1sada<\/h2>\n <p>\u00dasp\u011b\u0161n\u00e9 vyva\u017eov\u00e1n\u00ed v kone\u010dn\u00e9m d\u016fsledku nespo\u010d\u00edv\u00e1 pouze ve v\u00fdpo\u010dtu hmotnosti a \u00fahlu. Vy\u017eaduje pochopen\u00ed dynamick\u00e9ho chov\u00e1n\u00ed objektu, jeho linearity, vibra\u010dn\u00ed stability a vzd\u00e1lenosti od rezonan\u010dn\u00edch podm\u00ednek. Balanset-1A poskytuje v\u0161echny pot\u0159ebn\u00e9 n\u00e1stroje pro m\u011b\u0159en\u00ed, anal\u00fdzu a v\u00fdpo\u010det, ale kone\u010dn\u00fd v\u00fdsledek je v\u017edy ur\u010den mechanick\u00fdm stavem samotn\u00e9ho syst\u00e9mu. To je to, co odli\u0161uje form\u00e1ln\u00ed p\u0159\u00edstup od skute\u010dn\u00e9 in\u017een\u00fdrsk\u00e9 praxe v oblasti vibra\u010dn\u00ed diagnostiky a vyva\u017eov\u00e1n\u00ed rotor\u016f.<\/p>\n <\/section>\n\n <section id=\"faq\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Ot\u00e1zky a odpov\u011bdi<\/h2>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se amplituda a f\u00e1ze vibrac\u00ed po instalaci zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed nep\u0159edv\u00eddateln\u011b m\u011bn\u00ed a pro\u010d v\u00fdpo\u010det korek\u010dn\u00edho z\u00e1va\u017e\u00ed d\u00e1v\u00e1 \u0161patn\u00fd v\u00fdsledek?<\/div>\n <p class=\"vma-a\">Toto je zn\u00e1mka neline\u00e1rn\u00edho objektu. U line\u00e1rn\u00edho objektu je amplituda vibrac\u00ed \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti a f\u00e1ze se m\u011bn\u00ed o stejn\u00fd \u00fahel jako \u00fahlov\u00e1 poloha z\u00e1va\u017e\u00ed. Pokud jsou tyto podm\u00ednky poru\u0161eny, koeficient vlivu ji\u017e nen\u00ed konstantn\u00ed a standardn\u00ed vyva\u017eovac\u00ed algoritmus za\u010d\u00edn\u00e1 produkovat chyby. Typick\u00fdmi p\u0159\u00ed\u010dinami jsou v\u016fle lo\u017eisek, uvoln\u011bn\u00e9 podp\u011bry, t\u0159en\u00ed a provoz v bl\u00edzkosti rezonance.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co je line\u00e1rn\u00ed objekt z hlediska vyva\u017eov\u00e1n\u00ed?<\/div>\n <p class=\"vma-a\">Line\u00e1rn\u00ed objekt je rotorov\u00fd syst\u00e9m, ve kter\u00e9m je p\u0159i stejn\u00e9 rychlosti ot\u00e1\u010den\u00ed amplituda vibrac\u00ed p\u0159\u00edmo \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti a f\u00e1ze vibrac\u00ed striktn\u011b sleduje \u00fahlovou polohu nevyv\u00e1\u017een\u00e9 hmoty. U takov\u00fdch objekt\u016f je koeficient vlivu konstantn\u00ed a nez\u00e1vis\u00ed na hmotnosti zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co se p\u0159i vyva\u017eov\u00e1n\u00ed pova\u017euje za neline\u00e1rn\u00ed objekt?<\/div>\n <p class=\"vma-a\">Neline\u00e1rn\u00ed objekt je syst\u00e9m, ve kter\u00e9m je naru\u0161ena proporcionalita mezi vibracemi a nevyv\u00e1\u017eenost\u00ed a\/nebo st\u00e1lost f\u00e1zov\u00e9ho vztahu. Amplituda a f\u00e1ze vibrac\u00ed za\u010d\u00ednaj\u00ed z\u00e1viset na hmotnosti zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed. Nej\u010dast\u011bji je to spojeno s v\u016flemi v lo\u017eisk\u00e1ch, opot\u0159eben\u00edm, such\u00fdm t\u0159en\u00edm, m\u011bkko-tvrd\u00fdmi podp\u011brami nebo z\u00e1b\u011brem tu\u017e\u0161\u00edch konstruk\u010dn\u00edch prvk\u016f.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Je mo\u017en\u00e9 vyv\u00e1\u017eit neline\u00e1rn\u00ed objekt pomoc\u00ed p\u0159\u00edstroje ur\u010den\u00e9ho pro line\u00e1rn\u00ed syst\u00e9my?<\/div>\n <p class=\"vma-a\">Ano, ale v\u00fdsledek je nestabiln\u00ed a z\u00e1vis\u00ed na provozn\u00edm re\u017eimu. Vyva\u017eov\u00e1n\u00ed je mo\u017en\u00e9 pouze v omezen\u00e9m rozsahu, kde se objekt chov\u00e1 podm\u00edn\u011bn\u011b line\u00e1rn\u011b. Mimo tento rozsah se koeficienty vlivu m\u011bn\u00ed a ztr\u00e1c\u00ed se opakovatelnost v\u00fdsledk\u016f.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co je to koeficient vlivu jednodu\u0161e \u0159e\u010deno?<\/div>\n <p class=\"vma-a\">Koeficient vlivu je m\u00edrou citlivosti vibrac\u00ed na zm\u011bny nevyv\u00e1\u017eenosti. Ukazuje, o kolik se zm\u011bn\u00ed vektor vibrac\u00ed, kdy\u017e je zn\u00e1m\u00e9 zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed instalov\u00e1no v dan\u00e9 rovin\u011b p\u0159i dan\u00e9 rychlosti.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se koeficient vlivu m\u011bn\u00ed od jednoho m\u011b\u0159en\u00ed k druh\u00e9mu?<\/div>\n <p class=\"vma-a\">Koeficient vlivu je nestabiln\u00ed, pokud je objekt neline\u00e1rn\u00ed, pokud jsou vibrace v \u010dase nestabiln\u00ed nebo pokud je p\u0159\u00edtomna rezonance, tepeln\u00e9 zah\u0159\u00edv\u00e1n\u00ed, uvoln\u011bn\u00e9 spojovac\u00ed prvky nebo m\u011bn\u00edc\u00ed se t\u0159ec\u00ed podm\u00ednky. V takov\u00fdch p\u0159\u00edpadech opakovan\u00e9 spu\u0161t\u011bn\u00ed produkuj\u00ed r\u016fzn\u00e9 hodnoty amplitudy a f\u00e1ze.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Kdy lze pou\u017e\u00edt ulo\u017een\u00e9 koeficienty vlivu?<\/div>\n <p class=\"vma-a\">Ulo\u017een\u00e9 koeficienty vlivu lze pou\u017e\u00edt pouze pro identick\u00e9 rotory pracuj\u00edc\u00ed se stejnou rychlost\u00ed, za stejn\u00fdch instala\u010dn\u00edch podm\u00ednek a tuhosti podep\u0159en\u00ed. Objekt mus\u00ed b\u00fdt line\u00e1rn\u00ed a vibra\u010dn\u011b stabiln\u00ed. I nepatrn\u00e1 zm\u011bna podm\u00ednek \u010din\u00ed star\u00e9 koeficienty nespolehliv\u00fdmi.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se vibrace b\u011bhem zah\u0159\u00edv\u00e1n\u00ed m\u011bn\u00ed i bez zm\u011bny nevyv\u00e1\u017eenosti?<\/div>\n <p class=\"vma-a\">B\u011bhem zah\u0159\u00edv\u00e1n\u00ed se m\u011bn\u00ed v\u016fle lo\u017eisek, tuhost podep\u0159en\u00ed, viskozita maziva a \u00farove\u0148 t\u0159en\u00ed. To m\u011bn\u00ed dynamick\u00e9 parametry syst\u00e9mu a v d\u016fsledku toho m\u011bn\u00ed amplitudu a f\u00e1zi vibrac\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co je vibra\u010dn\u00ed nestabilita a pro\u010d naru\u0161uje vyv\u00e1\u017een\u00ed?<\/div>\n <p class=\"vma-a\">Nestabilita vibrac\u00ed je zm\u011bna amplitudy a\/nebo f\u00e1ze v \u010dase p\u0159i konstantn\u00ed rychlosti ot\u00e1\u010den\u00ed. Vyva\u017eov\u00e1n\u00ed se spol\u00e9h\u00e1 na porovn\u00e1v\u00e1n\u00ed vektor\u016f vibrac\u00ed, tak\u017ee kdy\u017e jsou vibrace nestabiln\u00ed, porovn\u00e1n\u00ed ztr\u00e1c\u00ed smysl a v\u00fdpo\u010det se st\u00e1v\u00e1 nespolehliv\u00fdm.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak\u00e9 typy vibra\u010dn\u00ed nestability existuj\u00ed?<\/div>\n <p class=\"vma-a\">Existuje inherentn\u00ed struktur\u00e1ln\u00ed nestabilita, pomal\u00e1 \"pl\u00ed\u017eiv\u00e1\" nestabilita, kol\u00eds\u00e1n\u00ed od za\u010d\u00e1tku k za\u010d\u00e1tku, nestabilita souvisej\u00edc\u00ed se zah\u0159\u00edv\u00e1n\u00edm a nestabilita souvisej\u00edc\u00ed s rezonanc\u00ed p\u0159i provozu v bl\u00edzkosti vlastn\u00edch frekvenc\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d nen\u00ed mo\u017en\u00e9 vyv\u00e1\u017eit rotor v rezonan\u010dn\u00ed z\u00f3n\u011b?<\/div>\n <p class=\"vma-a\">V rezonan\u010dn\u00ed z\u00f3n\u011b i mal\u00e1 nevyv\u00e1\u017eenost zp\u016fsobuje prudk\u00fd n\u00e1r\u016fst vibrac\u00ed a f\u00e1ze se st\u00e1v\u00e1 extr\u00e9mn\u011b citlivou na mal\u00e9 zm\u011bny. Za t\u011bchto podm\u00ednek se objekt st\u00e1v\u00e1 neline\u00e1rn\u00edm a v\u00fdsledky vyva\u017eov\u00e1n\u00ed ztr\u00e1cej\u00ed fyzik\u00e1ln\u00ed v\u00fdznam.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak lze zjistit, \u017ee vyva\u017eovac\u00ed rychlost se bl\u00ed\u017e\u00ed rezonan\u010dn\u00ed rychlosti?<\/div>\n <p class=\"vma-a\">Typick\u00fdmi p\u0159\u00edznaky jsou prudk\u00fd n\u00e1r\u016fst vibrac\u00ed s mal\u00fdmi zm\u011bnami ot\u00e1\u010dek, nestabiln\u00ed f\u00e1ze, \u0161irok\u00e9 hrboly ve spektru a vysok\u00e1 citlivost vibrac\u00ed na drobn\u00e9 zm\u011bny ot\u00e1\u010dek. Maximum vibrac\u00ed je \u010dasto pozorov\u00e1no b\u011bhem rozjezdu nebo vyb\u011bhnut\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d vysok\u00e9 vibrace ne v\u017edy znamenaj\u00ed velkou nevyv\u00e1\u017eenost?<\/div>\n <p class=\"vma-a\">Vysok\u00e9 vibrace mohou b\u00fdt zp\u016fsobeny rezonanc\u00ed, uvoln\u011bn\u00fdmi konstrukcemi, vadami z\u00e1klad\u016f nebo probl\u00e9my s lo\u017eisky. V takov\u00fdch p\u0159\u00edpadech vyv\u00e1\u017een\u00ed p\u0159\u00ed\u010dinu vibrac\u00ed neodstran\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak\u00fd je rozd\u00edl mezi vibra\u010dn\u00edm posunut\u00edm, vibra\u010dn\u00ed rychlost\u00ed a vibra\u010dn\u00edm zrychlen\u00edm?<\/div>\n <p class=\"vma-a\">Vibra\u010dn\u00ed posunut\u00ed charakterizuje amplitudu pohybu, vibra\u010dn\u00ed rychlost charakterizuje rychlost tohoto pohybu a vibra\u010dn\u00ed zrychlen\u00ed charakterizuje zrychlen\u00ed. Tyto veli\u010diny spolu souvisej\u00ed, ale ka\u017ed\u00e1 je vhodn\u011bj\u0161\u00ed pro detekci ur\u010dit\u00fdch typ\u016f vad a frekven\u010dn\u00edch rozsah\u016f.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se mezn\u00ed hodnoty vibrac\u00ed obvykle specifikuj\u00ed z hlediska rychlosti vibrac\u00ed?<\/div>\n <p class=\"vma-a\">Rychlost vibrac\u00ed odr\u00e1\u017e\u00ed energetickou hladinu vibrac\u00ed v \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu a je vhodn\u00e1 pro posouzen\u00ed celkov\u00e9ho stavu stroj\u016f podle norem ISO.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Je mo\u017en\u00e9 p\u0159\u00edmo p\u0159ev\u00e9st vibra\u010dn\u00ed posunut\u00ed na vibra\u010dn\u00ed rychlost a naopak?<\/div>\n <p class=\"vma-a\">Spr\u00e1vn\u00fd p\u0159evod je mo\u017en\u00fd pouze pro harmonick\u00e9 vibrace s jednou frekvenc\u00ed. U slo\u017eit\u00fdch vibra\u010dn\u00edch spekter poskytuj\u00ed takov\u00e9 p\u0159evody pouze p\u0159ibli\u017en\u00e9 v\u00fdsledky.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d vibrace z\u016fst\u00e1vaj\u00ed po vyv\u00e1\u017een\u00ed vysok\u00e9?<\/div>\n <p class=\"vma-a\">Mezi mo\u017en\u00e9 p\u0159\u00ed\u010diny pat\u0159\u00ed rezonance, vady z\u00e1klad\u016f, uvoln\u011bn\u00e9 spojovac\u00ed prvky, opot\u0159eben\u00ed lo\u017eisek, nesouosost nebo nelinearita objektu. Vyva\u017eov\u00e1n\u00ed odstra\u0148uje pouze nevyv\u00e1\u017eenost, nikoli jin\u00e9 vady.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak se d\u00e1 poznat, \u017ee probl\u00e9m nen\u00ed v rotoru, ale v z\u00e1kladech?<\/div>\n <p class=\"vma-a\">Pokud nejsou zji\u0161t\u011bny mechanick\u00e9 vady a vibrace se po vyv\u00e1\u017een\u00ed nesn\u00ed\u017e\u00ed, je nutn\u00e9 analyzovat rozlo\u017een\u00ed vibrac\u00ed na stroji a z\u00e1kladech. Typick\u00fdmi znaky jsou vysok\u00e9 vibrace sk\u0159\u00edn\u011b a z\u00e1kladny a f\u00e1zov\u00e9 posuny mezi m\u011b\u0159ic\u00edmi body.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d je spr\u00e1vn\u00e1 instalace vibra\u010dn\u00edch senzor\u016f d\u016fle\u017eit\u00e1?<\/div>\n <p class=\"vma-a\">Nespr\u00e1vn\u00e1 instalace senzoru zkresluje amplitudu a f\u00e1zi, sni\u017euje opakovatelnost m\u011b\u0159en\u00ed a m\u016f\u017ee v\u00e9st k nespr\u00e1vn\u00fdm diagnostick\u00fdm z\u00e1v\u011br\u016fm a chybn\u00fdm v\u00fdsledk\u016fm vyv\u00e1\u017een\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d r\u016fzn\u00e9 m\u011b\u0159ic\u00ed body vykazuj\u00ed r\u016fzn\u00e9 \u00farovn\u011b vibrac\u00ed?<\/div>\n <p class=\"vma-a\">Vibrace jsou v cel\u00e9 konstrukci rozlo\u017eeny nerovnom\u011brn\u011b. Tuhost, hmotnosti a tvary vibrac\u00ed se li\u0161\u00ed, tak\u017ee amplituda a f\u00e1ze se mohou bod od bodu v\u00fdrazn\u011b li\u0161it.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Je mo\u017en\u00e9 vyv\u00e1\u017eit rotor s opot\u0159ebovan\u00fdmi lo\u017eisky?<\/div>\n <p class=\"vma-a\">Zpravidla ne. Opot\u0159eben\u00ed a zv\u011bt\u0161en\u00e9 v\u016fle \u010din\u00ed objekt neline\u00e1rn\u00edm. Vyva\u017eov\u00e1n\u00ed se st\u00e1v\u00e1 nestabiln\u00edm a neposkytuje dlouhodob\u00fd v\u00fdsledek. V\u00fdjimky jsou mo\u017en\u00e9 pouze p\u0159i n\u00e1vrhov\u00fdch v\u016fl\u00edch a stabiln\u00edch podm\u00ednk\u00e1ch.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se v\u00fdsledek vyva\u017eov\u00e1n\u00ed po ka\u017ed\u00e9m startu li\u0161\u00ed?<\/div>\n <p class=\"vma-a\">Rozjezd vytv\u00e1\u0159\u00ed vysok\u00e9 dynamick\u00e9 zat\u00ed\u017een\u00ed. Pokud je konstrukce uvoln\u011bn\u00e1, vz\u00e1jemn\u00e9 polohy prvk\u016f se po ka\u017ed\u00e9m rozjezdu m\u011bn\u00ed, co\u017e vede ke zm\u011bn\u00e1m parametr\u016f vibrac\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Kdy je s\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed pomoc\u00ed koeficient\u016f vlivu p\u0159ijateln\u00e9?<\/div>\n <p class=\"vma-a\">S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed je mo\u017en\u00e9 pro identick\u00e9 rotory instalovan\u00e9 za identick\u00fdch podm\u00ednek, se stabilitou vibrac\u00ed a absenc\u00ed rezonance. V tomto p\u0159\u00edpad\u011b lze koeficienty vlivu z prvn\u00edho rotoru aplikovat na n\u00e1sleduj\u00edc\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se v\u00fdsledek b\u011bhem s\u00e9riov\u00e9ho vyva\u017eov\u00e1n\u00ed n\u00e1hle p\u0159estane opakovat?<\/div>\n <p class=\"vma-a\">To je obvykle zp\u016fsobeno zm\u011bnami tuhosti podp\u011br, rozd\u00edly v mont\u00e1\u017ei, zm\u011bnami rychlosti ot\u00e1\u010den\u00ed nebo p\u0159echodem objektu do neline\u00e1rn\u00edho provozn\u00edho re\u017eimu.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak\u00e9 je hlavn\u00ed krit\u00e9rium pro \u00fasp\u011b\u0161n\u00e9 vyv\u00e1\u017een\u00ed?<\/div>\n <p class=\"vma-a\">Sn\u00ed\u017een\u00ed vibrac\u00ed na stabiln\u00ed \u00farove\u0148 p\u0159i zachov\u00e1n\u00ed opakovatelnosti amplitudy a f\u00e1ze od za\u010d\u00e1tku do za\u010d\u00e1tku a absence zn\u00e1mek rezonance nebo nelinearity.<\/p>\n <\/div>\n <\/section>\n <\/div>\n <\/main>\n <\/div>\n<\/body>\n<\/html>\n\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Nonlinear Objects in Rotor Balancing: Causes, Symptoms, and Practical Approach Nonlinear Objects in Rotor Balancing Why balancing \u201cdoes not work\u201d, why influence coefficients change, and how to proceed in real field conditions Contents Overview Linear & nonlinear vibrations Linear vs nonlinear objects What are linear objects? Graph of linearity Influence […]<\/p>\n","protected":false},"author":2,"featured_media":5200,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4,113,9,5,110],"tags":[],"class_list":["post-5199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-example","category-measurement","category-rotors","category-solutions","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/5199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/comments?post=5199"}],"version-history":[{"count":3,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/5199\/revisions"}],"predecessor-version":[{"id":20911,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/5199\/revisions\/20911"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media\/5200"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=5199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=5199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=5199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

\n\n\n \n \n\n \n Neline\u00e1rn\u00ed objekty p\u0159i vyva\u017eov\u00e1n\u00ed rotoru: p\u0159\u00ed\u010diny, p\u0159\u00edznaky a praktick\u00fd p\u0159\u00edstup<\/title>\n <meta name=\"title\" content=\"Nonlinear Objects in Rotor Balancing: Causes, Symptoms, and Practical Approach\" \/>\n \n <meta name=\"keywords\" content=\"rotor balancing, nonlinear object, linear object, influence coefficient, trial weight, resonance, vibration instability, Balanset-1A, vibration diagnostics, field balancing, bearing clearance, looseness, dry friction\" \/>\n <meta name=\"author\" content=\"Vibromera\" \/>\n <meta name=\"robots\" content=\"index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1\" \/>\n <meta name=\"language\" content=\"English\" \/>\n\n \n \n \n \n \n\n \n \n \n \n\n \n <link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\" \/>\n <link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin \/>\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Onest:wght@300;400;500;600;700;800&display=swap\" rel=\"stylesheet\" \/>\n\n <style>\n \/* ========================================\n VIBROMERA ARTICLE STYLES (ISOLATED)\n Prefix: vma-\n All styles scoped to .vma-wrapper\n ======================================== *\/\n .vma-wrapper{\n --vma-primary:#0052cc;\n --vma-primary-dark:#003d99;\n --vma-primary-50:#e6f0ff;\n --vma-gray-50:#f8fafc;\n --vma-gray-100:#f1f5f9;\n --vma-gray-200:#e2e8f0;\n --vma-gray-500:#64748b;\n --vma-gray-700:#334155;\n --vma-gray-800:#1e293b;\n --vma-gray-900:#0f172a;\n --vma-white:#ffffff;\n max-width:1600px;\n margin:0 auto;\n font-family:'Onest',system-ui,-apple-system,sans-serif;\n font-size:18px;\n line-height:1.75;\n color:var(--vma-gray-700);\n -webkit-font-smoothing:antialiased;\n -moz-osx-font-smoothing:grayscale;\n }\n .vma-hero{\n background:linear-gradient(135deg,var(--vma-primary) 0%,var(--vma-primary-dark) 100%);\n color:var(--vma-white);\n padding:56px 20px;\n text-align:center;\n position:relative;\n overflow:hidden;\n }\n .vma-hero::before{\n content:'';\n position:absolute;\n inset:0;\n opacity:.14;\n background-image:\n radial-gradient(circle at 18% 82%, rgba(255,255,255,.35) 0%, transparent 55%),\n radial-gradient(circle at 82% 18%, rgba(255,255,255,.28) 0%, transparent 45%);\n pointer-events:none;\n }\n .vma-hero > *{ position:relative; 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text-align:left; }\n .vma-kbd{\n font-weight:800;\n color:var(--vma-gray-900);\n }\n .vma-formula{\n background:linear-gradient(135deg,var(--vma-gray-50) 0%, var(--vma-primary-50) 100%);\n border:1px solid rgba(0,82,204,.18);\n border-radius:14px;\n padding:14px 16px;\n margin:14px 0;\n font-size:16px;\n color:var(--vma-gray-900);\n overflow:auto;\n white-space:nowrap;\n }\n .vma-qa{\n background:var(--vma-gray-50);\n border:1px solid var(--vma-gray-200);\n border-radius:16px;\n padding:18px 18px;\n margin:18px 0;\n }\n .vma-q{\n margin:0 0 8px 0;\n font-weight:800;\n color:var(--vma-gray-900);\n font-size:18px;\n }\n .vma-a{\n margin:0;\n }\n .vma-anchor{ scroll-margin-top: 16px; }\n @media (max-width: 820px){\n .vma-title{ font-size:30px; }\n }\n <\/style>\n\n \n \n\n \n<\/head>\n<body>\n <div class=\"vma-wrapper\">\n <header class=\"vma-hero\">\n <h1 class=\"vma-title\">Neline\u00e1rn\u00ed objekty p\u0159i vyva\u017eov\u00e1n\u00ed rotoru<\/h1>\n <p class=\"vma-subtitle\">Pro\u010d vyva\u017eov\u00e1n\u00ed \u201cnefunguje\u201d, pro\u010d se m\u011bn\u00ed koeficienty vlivu a jak postupovat v re\u00e1ln\u00fdch poln\u00edch podm\u00ednk\u00e1ch<\/p>\n <\/header>\n\n <main class=\"vma-content\">\n <div class=\"vma-inner\">\n <nav class=\"vma-toc\" aria-label=\"Obsah\">\n <div class=\"vma-toc-title\">Obsah<\/div>\n <ol>\n <li><a href=\"#intro\">P\u0159ehled<\/a><\/li>\n <li><a href=\"#linear-nonlinear-vibrations\">Line\u00e1rn\u00ed a neline\u00e1rn\u00ed vibrace<\/a><\/li>\n <li><a href=\"#linear-vs-nonlinear\">Line\u00e1rn\u00ed vs. neline\u00e1rn\u00ed objekty<\/a><\/li>\n <li><a href=\"#what-are-linear-objects\">Co jsou line\u00e1rn\u00ed objekty?<\/a><\/li>\n <li><a href=\"#linearity-graph\">Graf line\u00e1rnosti<\/a><\/li>\n <li><a href=\"#influence-coefficient\">Sou\u010dinitel vlivu (IC)<\/a><\/li>\n <li><a href=\"#linear-phase\">F\u00e1ze vibrac\u00ed v line\u00e1rn\u00edch objektech<\/a><\/li>\n <li><a href=\"#linear-balancing-steps\">Kroky pro vyva\u017eov\u00e1n\u00ed line\u00e1rn\u00edho objektu<\/a><\/li>\n <li><a href=\"#serial\">S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed a ulo\u017een\u00e9 koeficienty<\/a><\/li>\n <li><a href=\"#nonlinear-definition\">Co je to neline\u00e1rn\u00ed objekt?<\/a><\/li>\n <li><a href=\"#nonlinear-signs\">Zn\u00e1mky neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#nonlinear-graph\">Graf neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#nonlinear-examples\">P\u0159\u00edklady neline\u00e1rn\u00edch objekt\u016f<\/a><\/li>\n <li><a href=\"#nonlinear-types\">Typy neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#causes\">\u010cast\u00e9 p\u0159\u00ed\u010diny neline\u00e1rnosti<\/a><\/li>\n <li><a href=\"#instability\">Vibra\u010dn\u00ed nestabilita<\/a><\/li>\n <li><a href=\"#resonance\">Vyva\u017eov\u00e1n\u00ed v bl\u00edzkosti rezonance<\/a><\/li>\n <li><a href=\"#high-after\">Vysok\u00e9 vibrace po \u201c\u00fasp\u011b\u0161n\u00e9m\u201d vyv\u00e1\u017een\u00ed<\/a><\/li>\n <li><a href=\"#nonlinear-methods\">Metody vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f<\/a><\/li>\n <li><a href=\"#nonlinear-howto-linear-tool\">Jak vyva\u017eovat line\u00e1rn\u00edm n\u00e1strojem<\/a><\/li>\n <li><a href=\"#art-science\">Um\u011bn\u00ed & v\u011bda o vyva\u017eov\u00e1n\u00ed<\/a><\/li>\n <li><a href=\"#measurement\">Opakovatelnost m\u011b\u0159en\u00ed<\/a><\/li>\n <li><a href=\"#approach\">Praktick\u00fd p\u0159\u00edstup k neline\u00e1rn\u00edm objekt\u016fm<\/a><\/li>\n <li><a href=\"#reduced-correction\">Technika redukovan\u00e9 korek\u010dn\u00ed hmotnosti<\/a><\/li>\n <li><a href=\"#conclusion\">Z\u00e1v\u011bre\u010dn\u00e1 z\u00e1sada<\/a><\/li>\n <li><a href=\"#faq\">Ot\u00e1zky & odpov\u011bdi<\/a><\/li>\n <\/ol>\n <\/nav>\n\n <section id=\"intro\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">P\u0159ehled<\/h2>\n <p>V praxi se vyva\u017eov\u00e1n\u00ed rotoru t\u00e9m\u011b\u0159 nikdy neomezuje na pouh\u00fd v\u00fdpo\u010det a instalaci korek\u010dn\u00edho z\u00e1va\u017e\u00ed. Form\u00e1ln\u011b je algoritmus dob\u0159e zn\u00e1m\u00fd a p\u0159\u00edstroj prov\u00e1d\u00ed v\u0161echny v\u00fdpo\u010dty automaticky, ale kone\u010dn\u00fd v\u00fdsledek z\u00e1vis\u00ed mnohem v\u00edce na chov\u00e1n\u00ed samotn\u00e9ho objektu ne\u017e na vyva\u017eovac\u00edm za\u0159\u00edzen\u00ed. Proto v re\u00e1ln\u00e9m provozu neust\u00e1le vznikaj\u00ed situace, kdy vyva\u017eov\u00e1n\u00ed \u201cnefunguje\u201d, m\u011bn\u00ed se koeficienty vlivu, vibrace se st\u00e1vaj\u00ed nestabiln\u00edmi a v\u00fdsledek nen\u00ed opakovateln\u00fd z jednoho b\u011bhu do druh\u00e9ho.<\/p>\n <\/section>\n\n <section id=\"linear-nonlinear-vibrations\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Line\u00e1rn\u00ed a neline\u00e1rn\u00ed vibrace, jejich vlastnosti a metody vyva\u017eov\u00e1n\u00ed<\/h2>\n <p>\u00dasp\u011b\u0161n\u00e9 vyva\u017eov\u00e1n\u00ed vy\u017eaduje pochopen\u00ed toho, jak objekt reaguje na p\u0159id\u00e1n\u00ed nebo odstran\u011bn\u00ed hmoty. V t\u00e9to souvislosti hraj\u00ed kl\u00ed\u010dovou roli koncepty line\u00e1rn\u00edch a neline\u00e1rn\u00edch objekt\u016f. Pochopen\u00ed toho, zda je objekt line\u00e1rn\u00ed nebo neline\u00e1rn\u00ed, umo\u017e\u0148uje v\u00fdb\u011br spr\u00e1vn\u00e9 strategie vyv\u00e1\u017een\u00ed a pom\u00e1h\u00e1 dos\u00e1hnout po\u017eadovan\u00e9ho v\u00fdsledku.<\/p>\n <p>Line\u00e1rn\u00ed objekty maj\u00ed v t\u00e9to oblasti zvl\u00e1\u0161tn\u00ed m\u00edsto d\u00edky sv\u00e9 p\u0159edv\u00eddatelnosti a stabilit\u011b. Umo\u017e\u0148uj\u00ed pou\u017eit\u00ed jednoduch\u00fdch a spolehliv\u00fdch diagnostick\u00fdch a vyva\u017eovac\u00edch metod, d\u00edky \u010demu\u017e je jejich studium d\u016fle\u017eit\u00fdm krokem v diagnostice vibrac\u00ed.<\/p>\n <\/section>\n\n <section id=\"linear-vs-nonlinear\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Line\u00e1rn\u00ed vs. neline\u00e1rn\u00ed objekty<\/h2>\n <p>V\u011bt\u0161ina t\u011bchto probl\u00e9m\u016f pramen\u00ed ze z\u00e1sadn\u00edho, ale \u010dasto podce\u0148ovan\u00e9ho rozli\u0161en\u00ed mezi line\u00e1rn\u00edmi a neline\u00e1rn\u00edmi objekty. Line\u00e1rn\u00ed objekt je z hlediska vyva\u017eov\u00e1n\u00ed syst\u00e9m, ve kter\u00e9m je p\u0159i konstantn\u00ed rychlosti ot\u00e1\u010den\u00ed amplituda vibrac\u00ed \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti a f\u00e1ze vibrac\u00ed p\u0159esn\u011b p\u0159edv\u00eddateln\u00fdm zp\u016fsobem sleduje \u00fahlovou polohu nevyv\u00e1\u017een\u00e9 hmoty. Za t\u011bchto podm\u00ednek je koeficient vlivu konstantn\u00ed hodnotou. V\u0161echny standardn\u00ed algoritmy dynamick\u00e9ho vyva\u017eov\u00e1n\u00ed, v\u010detn\u011b t\u011bch implementovan\u00fdch v Balanset-1A, jsou navr\u017eeny pr\u00e1v\u011b pro takov\u00e9 objekty.<\/p>\n <p>U line\u00e1rn\u00edho objektu je proces vyva\u017eov\u00e1n\u00ed p\u0159edv\u00eddateln\u00fd a stabiln\u00ed. Instalace zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed zp\u016fsob\u00ed proporcion\u00e1ln\u00ed zm\u011bnu amplitudy a f\u00e1ze vibrac\u00ed. Opakovan\u00e9 spu\u0161t\u011bn\u00ed d\u00e1vaj\u00ed stejn\u00fd vektor vibrac\u00ed a vypo\u010d\u00edtan\u00e1 korek\u010dn\u00ed hmotnost z\u016fst\u00e1v\u00e1 platn\u00e1. Takov\u00e9 objekty se dob\u0159e hod\u00ed jak pro jednor\u00e1zov\u00e9 vyva\u017eov\u00e1n\u00ed, tak pro s\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed s vyu\u017eit\u00edm ulo\u017een\u00fdch koeficient\u016f vlivu.<\/p>\n <p>Neline\u00e1rn\u00ed objekt se chov\u00e1 z\u00e1sadn\u011b odli\u0161n\u00fdm zp\u016fsobem. T\u00edm je naru\u0161en samotn\u00fd z\u00e1klad v\u00fdpo\u010dtu vyv\u00e1\u017een\u00ed. Amplituda vibrac\u00ed ji\u017e nen\u00ed \u00fam\u011brn\u00e1 nevyv\u00e1\u017eenosti, f\u00e1ze se st\u00e1v\u00e1 nestabiln\u00ed a koeficient vlivu se m\u011bn\u00ed v z\u00e1vislosti na hmotnosti zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed, provozn\u00edm re\u017eimu nebo dokonce \u010dase. V praxi se to projevuje jako chaotick\u00e9 chov\u00e1n\u00ed vektoru vibrac\u00ed: po instalaci zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed m\u016f\u017ee b\u00fdt zm\u011bna vibrac\u00ed p\u0159\u00edli\u0161 mal\u00e1, nadm\u011brn\u00e1 nebo jednodu\u0161e neopakovateln\u00e1.<\/p>\n <\/section>\n\n <section id=\"what-are-linear-objects\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Co jsou to line\u00e1rn\u00ed objekty?<\/h2>\n <p>Line\u00e1rn\u00ed objekt je syst\u00e9m, kde vibrace jsou p\u0159\u00edmo \u00fam\u011brn\u00e9 velikosti nerovnov\u00e1hy.<\/p>\n <p>Line\u00e1rn\u00ed objekt je v kontextu vyva\u017eov\u00e1n\u00ed idealizovan\u00fd model charakterizovan\u00fd p\u0159\u00edmo \u00fam\u011brn\u00fdm vztahem mezi velikost\u00ed nevyv\u00e1\u017eenosti (nevyv\u00e1\u017een\u00e9 hmoty) a amplitudou vibrac\u00ed. To znamen\u00e1, \u017ee pokud se nevyv\u00e1\u017eenost zdvojn\u00e1sob\u00ed, zdvojn\u00e1sob\u00ed se i amplituda vibrac\u00ed, za p\u0159edpokladu, \u017ee ot\u00e1\u010dky rotoru z\u016fstanou konstantn\u00ed. Naopak, sn\u00ed\u017een\u00ed nevyv\u00e1\u017eenosti \u00fam\u011brn\u011b sn\u00ed\u017e\u00ed vibrace.<\/p>\n <p>Na rozd\u00edl od neline\u00e1rn\u00edch syst\u00e9m\u016f, kde se chov\u00e1n\u00ed objektu m\u016f\u017ee li\u0161it v z\u00e1vislosti na mnoha faktorech, line\u00e1rn\u00ed objekty umo\u017e\u0148uj\u00ed vysokou \u00farove\u0148 p\u0159esnosti s minim\u00e1ln\u00edm \u00fasil\u00edm.<\/p>\n <p>Krom\u011b toho slou\u017e\u00ed jako z\u00e1klad pro \u0161kolen\u00ed a praxi osob prov\u00e1d\u011bj\u00edc\u00edch vyva\u017eov\u00e1n\u00ed. Pochopen\u00ed princip\u016f line\u00e1rn\u00edch objekt\u016f pom\u00e1h\u00e1 rozv\u00edjet dovednosti, kter\u00e9 lze pozd\u011bji aplikovat na slo\u017eit\u011bj\u0161\u00ed syst\u00e9my.<\/p>\n <\/section>\n\n <section id=\"linearity-graph\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Grafick\u00e9 zn\u00e1zorn\u011bn\u00ed linearity<\/h2>\n <p>P\u0159edstavte si graf, kde vodorovn\u00e1 osa p\u0159edstavuje velikost nevyv\u00e1\u017een\u00e9 hmoty (nevyv\u00e1\u017eenosti) a svisl\u00e1 osa p\u0159edstavuje amplitudu vibrac\u00ed. Pro line\u00e1rn\u00ed objekt bude tento graf p\u0159\u00edmkou proch\u00e1zej\u00edc\u00ed po\u010d\u00e1tkem (bodem, kde je jak velikost nevyv\u00e1\u017eenosti, tak amplituda vibrac\u00ed nulov\u00e1). Sklon t\u00e9to p\u0159\u00edmky charakterizuje citlivost objektu na nevyv\u00e1\u017eenost: \u010d\u00edm strm\u011bj\u0161\u00ed je sklon, t\u00edm v\u011bt\u0161\u00ed jsou vibrace p\u0159i stejn\u00e9 nevyv\u00e1\u017eenosti.<\/p>\n\n <div class=\"vma-image\">\n <a href=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-1.png\" class=\"vma-img-link\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-1-1024x804.png\" alt=\"Graf 1: Vztah mezi amplitudou vibrac\u00ed (\u00b5m) a nevyv\u00e1\u017eenou hmotnost\u00ed (g)\" width=\"750\" height=\"589\" \/>\n <\/a>\n <p class=\"vma-caption\"><strong>Graf 1: Vztah mezi amplitudou vibrac\u00ed (\u00b5m) a nevyv\u00e1\u017eenou hmotnost\u00ed (g)<\/strong><\/p>\n <\/div>\n\n <p>Graf 1 zn\u00e1zor\u0148uje vztah mezi amplitudou vibrac\u00ed (\u00b5m) line\u00e1rn\u00edho vyva\u017eovac\u00edho objektu a nevyv\u00e1\u017eenou hmotnost\u00ed (g) rotoru. Koeficient \u00fam\u011brnosti je 0,5 \u00b5m\/g. Pouh\u00fdm vyd\u011blen\u00edm \u010d\u00edsla 300 \u010d\u00edslem 600 z\u00edsk\u00e1me 0,5 \u00b5m\/g. Pro nevyv\u00e1\u017eenou hmotu 800 g (UM=800 g) bude vibrace 800 g * 0,5 \u00b5m\/g = 400 \u00b5m. V\u0161imn\u011bte si, \u017ee to plat\u00ed p\u0159i konstantn\u00ed rychlosti rotoru. P\u0159i jin\u00e9 rychlosti ot\u00e1\u010den\u00ed bude koeficient jin\u00fd.<\/p>\n <p>Tento koeficient \u00fam\u011brnosti se naz\u00fdv\u00e1 koeficient vlivu (koeficient citlivosti) a m\u00e1 rozm\u011br \u00b5m\/g nebo v p\u0159\u00edpad\u011b nevyv\u00e1\u017eenosti \u00b5m\/(g*mm), kde (g*mm) je jednotka nevyv\u00e1\u017eenosti. Se znalost\u00ed koeficientu vlivu (IC) je tak\u00e9 mo\u017en\u00e9 \u0159e\u0161it inverzn\u00ed probl\u00e9m, konkr\u00e9tn\u011b ur\u010den\u00ed nevyv\u00e1\u017een\u00e9 hmoty (UM) na z\u00e1klad\u011b velikosti vibrac\u00ed. Chcete-li to prov\u00e9st, vyd\u011blte amplitudu vibrac\u00ed IC.<\/p>\n <p>Pokud je nap\u0159\u00edklad nam\u011b\u0159en\u00e1 vibrace 300 \u00b5m a zn\u00e1m\u00fd koeficient je IC=0,5 \u00b5m\/g, vyd\u011blte 300 \u010d\u00edslem 0,5 a dostanete 600 g (UM=600 g).<\/p>\n <\/section>\n\n <section id=\"influence-coefficient\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Koeficient vlivu (IC): Kl\u00ed\u010dov\u00fd parametr line\u00e1rn\u00edch objekt\u016f<\/h2>\n <p>Kritickou charakteristikou line\u00e1rn\u00edho objektu je koeficient vlivu (IC). \u010c\u00edseln\u011b se rovn\u00e1 tangense \u00fahlu sklonu p\u0159\u00edmky na grafu vibrac\u00ed versus nevyv\u00e1\u017eenosti a ud\u00e1v\u00e1, o kolik se zm\u011bn\u00ed amplituda vibrac\u00ed (v mikronech, \u00b5m), kdy\u017e je v ur\u010dit\u00e9 korek\u010dn\u00ed rovin\u011b p\u0159i ur\u010dit\u00e9 rychlosti rotoru p\u0159id\u00e1na jednotka hmotnosti (v gramech, g). Jin\u00fdmi slovy, IC je m\u00edrou citlivosti objektu na nevyv\u00e1\u017eenost. Jeho m\u011brnou jednotkou je \u00b5m\/g, nebo pokud je nevyv\u00e1\u017eenost vyj\u00e1d\u0159ena jako sou\u010din hmotnosti a polom\u011bru, \u00b5m\/(g*mm).<\/p>\n <p>IC je v podstat\u011b \"pasovou\" charakteristikou line\u00e1rn\u00edho objektu, kter\u00e1 umo\u017e\u0148uje p\u0159edpov\u011bd\u011bt jeho chov\u00e1n\u00ed p\u0159i p\u0159id\u00e1v\u00e1n\u00ed nebo odeb\u00edr\u00e1n\u00ed hmoty. Znalost IC umo\u017e\u0148uje \u0159e\u0161it jak p\u0159\u00edm\u00fd probl\u00e9m \u2013 ur\u010den\u00ed velikosti vibrac\u00ed pro danou nevyv\u00e1\u017eenost \u2013 tak i inverzn\u00ed probl\u00e9m \u2013 v\u00fdpo\u010det velikosti nevyv\u00e1\u017eenosti z nam\u011b\u0159en\u00fdch vibrac\u00ed.<\/p>\n\n <h3 class=\"vma-h3\">P\u0159\u00edm\u00fd probl\u00e9m:<\/h3>\n <div class=\"vma-formula\">Amplituda vibrac\u00ed (\u00b5m) = IC (\u00b5m\/g) * Nevyv\u00e1\u017een\u00e1 hmotnost (g)<\/div>\n\n <h3 class=\"vma-h3\">Inverzn\u00ed probl\u00e9m:<\/h3>\n <div class=\"vma-formula\">Nevyv\u00e1\u017een\u00e1 hmotnost (g) = Amplituda vibrac\u00ed (\u00b5m) \/ IC (\u00b5m\/g)<\/div>\n <\/section>\n\n <section id=\"linear-phase\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">F\u00e1ze vibrac\u00ed v line\u00e1rn\u00edch objektech<\/h2>\n <p>Krom\u011b amplitudy je vibrace charakterizov\u00e1na tak\u00e9 svou f\u00e1z\u00ed, kter\u00e1 ud\u00e1v\u00e1 polohu rotoru v okam\u017eiku maxim\u00e1ln\u00ed odchylky od jeho rovnov\u00e1\u017en\u00e9 polohy. U line\u00e1rn\u00edho objektu je f\u00e1ze vibrac\u00ed tak\u00e9 p\u0159edv\u00eddateln\u00e1. Je to sou\u010det dvou \u00fahl\u016f:<\/p>\n <ol>\n <li>\u00dahel, kter\u00fd ur\u010duje polohu celkov\u00e9 nevyv\u00e1\u017een\u00e9 hmoty rotoru. Tento \u00fahel ud\u00e1v\u00e1 sm\u011br, ve kter\u00e9m je soust\u0159ed\u011bna prim\u00e1rn\u00ed nevyv\u00e1\u017eenost.<\/li>\n <li>Argument koeficientu vlivu. Jedn\u00e1 se o konstantn\u00ed \u00fahel, kter\u00fd charakterizuje dynamick\u00e9 vlastnosti objektu a nez\u00e1vis\u00ed na velikosti ani \u00fahlu instalace nevyv\u00e1\u017een\u00e9 hmoty.<\/li>\n <\/ol>\n <p>D\u00edky znalosti argumentu IC a m\u011b\u0159en\u00ed f\u00e1ze vibrac\u00ed je tedy mo\u017en\u00e9 ur\u010dit \u00fahel instalace nevyv\u00e1\u017een\u00e9 hmoty. To umo\u017e\u0148uje nejen v\u00fdpo\u010det korek\u010dn\u00ed velikosti hmoty, ale tak\u00e9 jej\u00ed p\u0159esn\u00e9 um\u00edst\u011bn\u00ed na rotor pro dosa\u017een\u00ed optim\u00e1ln\u00edho vyv\u00e1\u017een\u00ed.<\/p>\n <\/section>\n\n <section id=\"linear-balancing-steps\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vyva\u017eov\u00e1n\u00ed line\u00e1rn\u00edch objekt\u016f<\/h2>\n <p>Je d\u016fle\u017eit\u00e9 poznamenat, \u017ee pro line\u00e1rn\u00ed objekt takto stanoven\u00fd koeficient vlivu (IC) nez\u00e1vis\u00ed na velikosti nebo \u00fahlu instalace zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed ani na po\u010d\u00e1te\u010dn\u00ed vibraci. To je kl\u00ed\u010dov\u00e1 vlastnost linearity. Pokud IC z\u016fstane nezm\u011bn\u011bn, kdy\u017e se zm\u011bn\u00ed parametry zku\u0161ebn\u00ed hmotnosti nebo po\u010d\u00e1te\u010dn\u00ed vibrace, lze s jistotou tvrdit, \u017ee se objekt chov\u00e1 line\u00e1rn\u011b v uva\u017eovan\u00e9m rozsahu nevyv\u00e1\u017eenost\u00ed.<\/p>\n\n <h3 class=\"vma-h3\">Kroky pro vyv\u00e1\u017een\u00ed line\u00e1rn\u00edho objektu<\/h3>\n <ol>\n <li><strong>M\u011b\u0159en\u00ed po\u010d\u00e1te\u010dn\u00edch vibrac\u00ed:<\/strong> Prvn\u00edm krokem je m\u011b\u0159en\u00ed vibrac\u00ed v jejich po\u010d\u00e1te\u010dn\u00edm stavu. Stanov\u00ed se amplituda a \u00fahel vibrac\u00ed, kter\u00e9 ud\u00e1vaj\u00ed sm\u011br nevyv\u00e1\u017eenosti.<\/li>\n <li><strong>Instalace zku\u0161ebn\u00ed hmoty:<\/strong> Na rotoru je instalov\u00e1na hmota o zn\u00e1m\u00e9 hmotnosti. To pom\u00e1h\u00e1 pochopit, jak objekt reaguje na dodate\u010dn\u00e9 zat\u00ed\u017een\u00ed, a umo\u017e\u0148uje vypo\u010d\u00edtat parametry vibrac\u00ed.<\/li>\n <li><strong>P\u0159em\u011b\u0159en\u00ed vibrac\u00ed:<\/strong> Po instalaci zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed se zm\u011b\u0159\u00ed nov\u00e9 parametry vibrac\u00ed. Jejich porovn\u00e1n\u00edm s po\u010d\u00e1te\u010dn\u00edmi hodnotami je mo\u017en\u00e9 ur\u010dit, jak hmotnost ovliv\u0148uje syst\u00e9m.<\/li>\n <li><strong>V\u00fdpo\u010det opravn\u00e9 hmotnosti:<\/strong> Na z\u00e1klad\u011b nam\u011b\u0159en\u00fdch dat se ur\u010d\u00ed hmotnost a mont\u00e1\u017en\u00ed \u00fahel korek\u010dn\u00edho z\u00e1va\u017e\u00ed. Toto z\u00e1va\u017e\u00ed je um\u00edst\u011bno na rotor, aby se odstranila nevyv\u00e1\u017eenost.<\/li>\n <li><strong>Kone\u010dn\u00e9 ov\u011b\u0159en\u00ed:<\/strong> Po instalaci korek\u010dn\u00edho z\u00e1va\u017e\u00ed by se vibrace m\u011bly v\u00fdrazn\u011b sn\u00ed\u017eit. Pokud zbytkov\u00e9 vibrace st\u00e1le p\u0159ekra\u010duj\u00ed p\u0159ijatelnou \u00farove\u0148, lze postup opakovat.<\/li>\n <\/ol>\n\n <div class=\"vma-note\">\n <p><span class=\"vma-kbd\">Pozn\u00e1mka:<\/span> Line\u00e1rn\u00ed objekty slou\u017e\u00ed jako ide\u00e1ln\u00ed modely pro studium a praktick\u00e9 pou\u017eit\u00ed balan\u010dn\u00edch metod. Jejich vlastnosti umo\u017e\u0148uj\u00ed in\u017een\u00fdr\u016fm a diagnostik\u016fm zam\u011b\u0159it se na rozvoj z\u00e1kladn\u00edch dovednost\u00ed a pochopen\u00ed z\u00e1kladn\u00edch princip\u016f pr\u00e1ce s rotorov\u00fdmi syst\u00e9my. P\u0159esto\u017ee je jejich aplikace v re\u00e1ln\u00e9 praxi omezen\u00e1, studium line\u00e1rn\u00edch objekt\u016f z\u016fst\u00e1v\u00e1 d\u016fle\u017eit\u00fdm krokem v pokroku v diagnostice vibrac\u00ed a vyva\u017eov\u00e1n\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-note\">\n <p><span class=\"vma-kbd\">Z\u00e1stupn\u00fd kr\u00e1tk\u00fd k\u00f3d:<\/span> \t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd 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data-success_message=\"\u201cPortable balancer & Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetick\u00e1 z\u00e1kladna.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan Insize-60 kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Reflexn\u00ed p\u00e1ska\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d "Balanset-1A" OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d "Balanset-1A" OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + DPH (pokud se uplat\u0148uje)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/cs\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t<\/p>\n <\/div>\n <\/section>\n\n <section id=\"serial\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed a ulo\u017een\u00e9 koeficienty<\/h2>\n <p>S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed si zaslou\u017e\u00ed zvl\u00e1\u0161tn\u00ed pozornost. M\u016f\u017ee v\u00fdrazn\u011b zv\u00fd\u0161it produktivitu, ale pouze p\u0159i pou\u017eit\u00ed u line\u00e1rn\u00edch, vibra\u010dn\u011b stabiln\u00edch objekt\u016f. V takov\u00fdch p\u0159\u00edpadech lze koeficienty vlivu z\u00edskan\u00e9 na prvn\u00edm rotoru znovu pou\u017e\u00edt pro dal\u0161\u00ed identick\u00e9 rotory. Jakmile se v\u0161ak zm\u011bn\u00ed tuhost podep\u0159en\u00ed, rychlost ot\u00e1\u010den\u00ed nebo stav lo\u017eiska, opakovatelnost se ztr\u00e1c\u00ed a s\u00e9riov\u00fd p\u0159\u00edstup p\u0159est\u00e1v\u00e1 fungovat.<\/p>\n <\/section>\n\n <section id=\"nonlinear-definition\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Neline\u00e1rn\u00ed objekty: Kdy\u017e se teorie rozch\u00e1z\u00ed s prax\u00ed<\/h2>\n <h3 class=\"vma-h3\">Co je to neline\u00e1rn\u00ed objekt?<\/h3>\n <p>Neline\u00e1rn\u00ed objekt je syst\u00e9m, kde amplituda vibrac\u00ed nen\u00ed \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti. Na rozd\u00edl od line\u00e1rn\u00edch objekt\u016f, kde je vztah mezi vibracemi a hmotou nevyv\u00e1\u017eenosti reprezentov\u00e1n p\u0159\u00edmkou, v neline\u00e1rn\u00edch syst\u00e9mech m\u016f\u017ee tento vztah sledovat slo\u017eit\u00e9 trajektorie.<\/p>\n <p>V re\u00e1ln\u00e9m sv\u011bt\u011b se ne v\u0161echny objekty chovaj\u00ed line\u00e1rn\u011b. Neline\u00e1rn\u00ed objekty vykazuj\u00ed vztah mezi nevyv\u00e1\u017eenost\u00ed a vibracemi, kter\u00fd nen\u00ed p\u0159\u00edmo \u00fam\u011brn\u00fd. To znamen\u00e1, \u017ee koeficient vlivu nen\u00ed konstantn\u00ed a m\u016f\u017ee se li\u0161it v z\u00e1vislosti na n\u011bkolika faktorech, jako jsou:<\/p>\n <ul>\n <li><strong>Velikost nevyv\u00e1\u017eenosti:<\/strong> Zv\u00fd\u0161en\u00ed nevyv\u00e1\u017eenosti m\u016f\u017ee zm\u011bnit tuhost podp\u011br rotoru, co\u017e vede k neline\u00e1rn\u00edm zm\u011bn\u00e1m vibrac\u00ed.<\/li>\n <li><strong>Rychlost ot\u00e1\u010den\u00ed:<\/strong> R\u016fzn\u00e9 rezonan\u010dn\u00ed jevy mohou b\u00fdt vybuzeny p\u0159i r\u016fzn\u00fdch rychlostech ot\u00e1\u010den\u00ed, co\u017e tak\u00e9 vede k neline\u00e1rn\u00edmu chov\u00e1n\u00ed.<\/li>\n <li><strong>P\u0159\u00edtomnost v\u016fl\u00ed a mezer:<\/strong> V\u016fle a mezery v lo\u017eisk\u00e1ch a dal\u0161\u00edch spoj\u00edch mohou za ur\u010dit\u00fdch podm\u00ednek zp\u016fsobit n\u00e1hl\u00e9 zm\u011bny vibrac\u00ed.<\/li>\n <li><strong>Teplota:<\/strong> Zm\u011bny teploty mohou ovlivnit vlastnosti materi\u00e1lu a n\u00e1sledn\u011b i vibra\u010dn\u00ed charakteristiky p\u0159edm\u011btu.<\/li>\n <li><strong>Vn\u011bj\u0161\u00ed zat\u00ed\u017een\u00ed:<\/strong> Vn\u011bj\u0161\u00ed zat\u00ed\u017een\u00ed p\u016fsob\u00edc\u00ed na rotor m\u016f\u017ee zm\u011bnit jeho dynamick\u00e9 charakteristiky a v\u00e9st k neline\u00e1rn\u00edmu chov\u00e1n\u00ed.<\/li>\n <\/ul>\n\n <h3 class=\"vma-h3\">Pro\u010d jsou neline\u00e1rn\u00ed objekty n\u00e1ro\u010dn\u00e9?<\/h3>\n <p>Nelinearita zav\u00e1d\u00ed do procesu vyva\u017eov\u00e1n\u00ed mnoho prom\u011bnn\u00fdch. \u00dasp\u011b\u0161n\u00e1 pr\u00e1ce s neline\u00e1rn\u00edmi objekty vy\u017eaduje v\u00edce m\u011b\u0159en\u00ed a slo\u017eit\u011bj\u0161\u00ed anal\u00fdzu. Nap\u0159\u00edklad standardn\u00ed metody pou\u017eiteln\u00e9 pro line\u00e1rn\u00ed objekty ned\u00e1vaj\u00ed v\u017edy p\u0159esn\u00e9 v\u00fdsledky pro neline\u00e1rn\u00ed syst\u00e9my. To vy\u017eaduje hlub\u0161\u00ed pochopen\u00ed fyziky procesu a pou\u017eit\u00ed specializovan\u00fdch diagnostick\u00fdch metod.<\/p>\n <\/section>\n\n <section id=\"nonlinear-signs\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Zn\u00e1mky nelinearity<\/h2>\n <p>Neline\u00e1rn\u00ed objekt lze identifikovat podle n\u00e1sleduj\u00edc\u00edch znak\u016f:<\/p>\n <ul>\n <li><strong>Neproporcion\u00e1ln\u00ed zm\u011bny vibrac\u00ed:<\/strong> Jak se nerovnov\u00e1ha zvy\u0161uje, vibrace mohou r\u016fst rychleji nebo pomaleji, ne\u017e se o\u010dek\u00e1v\u00e1 u line\u00e1rn\u00edho objektu.<\/li>\n <li><strong>F\u00e1zov\u00fd posun vibrac\u00ed:<\/strong> Vibra\u010dn\u00ed f\u00e1ze se m\u016f\u017ee nep\u0159edv\u00eddateln\u011b m\u011bnit se zm\u011bnami nerovnov\u00e1hy nebo rychlosti ot\u00e1\u010den\u00ed.<\/li>\n <li><strong>P\u0159\u00edtomnost harmonick\u00fdch a subharmonick\u00fdch:<\/strong> Vibra\u010dn\u00ed spektrum m\u016f\u017ee vykazovat vy\u0161\u0161\u00ed harmonick\u00e9 (n\u00e1sobky rota\u010dn\u00ed frekvence) a subharmonick\u00e9 (zlomky rota\u010dn\u00ed frekvence), co\u017e nazna\u010duje neline\u00e1rn\u00ed efekty.<\/li>\n <li><strong>Hystereze:<\/strong> Amplituda vibrac\u00ed m\u016f\u017ee z\u00e1viset nejen na aktu\u00e1ln\u00ed hodnot\u011b nerovnov\u00e1hy, ale tak\u00e9 na jej\u00ed historii. Nap\u0159\u00edklad, kdy\u017e se nerovnov\u00e1ha zv\u00fd\u0161\u00ed a pot\u00e9 sn\u00ed\u017e\u00ed zp\u011bt na p\u016fvodn\u00ed hodnotu, amplituda vibrac\u00ed se nemus\u00ed vr\u00e1tit na svou p\u016fvodn\u00ed \u00farove\u0148.<\/li>\n <\/ul>\n <p>Nelinearita zav\u00e1d\u00ed do procesu vyva\u017eov\u00e1n\u00ed mnoho prom\u011bnn\u00fdch. Pro \u00fasp\u011b\u0161n\u00fd provoz je zapot\u0159eb\u00ed v\u00edce m\u011b\u0159en\u00ed a komplexn\u00ed anal\u00fdzy. Nap\u0159\u00edklad standardn\u00ed metody pou\u017eiteln\u00e9 pro line\u00e1rn\u00ed objekty ned\u00e1vaj\u00ed v\u017edy p\u0159esn\u00e9 v\u00fdsledky pro neline\u00e1rn\u00ed syst\u00e9my. To vy\u017eaduje hlub\u0161\u00ed pochopen\u00ed fyziky proces\u016f a pou\u017eit\u00ed specializovan\u00fdch diagnostick\u00fdch metod.<\/p>\n <\/section>\n\n <section id=\"nonlinear-graph\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Grafick\u00e9 zn\u00e1zorn\u011bn\u00ed nelinearity<\/h2>\n <p>Na grafu vibrac\u00ed versus nerovnov\u00e1hy je nelinearita z\u0159ejm\u00e1 v odchylk\u00e1ch od p\u0159\u00edmky. Graf m\u016f\u017ee obsahovat ohyby, zak\u0159iven\u00ed, hysterezn\u00ed smy\u010dky a dal\u0161\u00ed charakteristiky, kter\u00e9 indikuj\u00ed slo\u017eit\u00fd vztah mezi nerovnov\u00e1hou a vibracemi.<\/p>\n\n <div class=\"vma-image\">\n <a href=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-3.png\" class=\"vma-img-link\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2024\/11\/output-3-1024x816.png\" alt=\"Graf 2. Neline\u00e1rn\u00ed objekt\" width=\"750\" height=\"598\" \/>\n <\/a>\n <p class=\"vma-caption\"><strong>Graf 2. Neline\u00e1rn\u00ed objekt<\/strong><\/p>\n <p class=\"vma-caption\"><strong>50 g; 40 \u03bcm (\u017elut\u00e1), 100 g; 54,7 \u03bcm (modr\u00e1).<\/strong><\/p>\n <\/div>\n\n <p>Tento objekt m\u00e1 dva segmenty, dv\u011b p\u0159\u00edmky. Pro nerovnov\u00e1hy men\u0161\u00ed ne\u017e 50 gram\u016f graf odr\u00e1\u017e\u00ed vlastnosti line\u00e1rn\u00edho objektu a zachov\u00e1v\u00e1 \u00fam\u011brnost mezi nerovnov\u00e1hou v gramech a amplitudou vibrac\u00ed v mikronech. U nerovnovah v\u011bt\u0161\u00edch ne\u017e 50 gram\u016f se r\u016fst amplitudy vibrac\u00ed zpomaluje.<\/p>\n <\/section>\n\n <section id=\"nonlinear-examples\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">P\u0159\u00edklady neline\u00e1rn\u00edch objekt\u016f<\/h2>\n <p>P\u0159\u00edklady neline\u00e1rn\u00edch objekt\u016f v kontextu vyva\u017eov\u00e1n\u00ed zahrnuj\u00ed:<\/p>\n <ul>\n <li><strong>Rotory s prasklinami:<\/strong> Trhliny v rotoru mohou v\u00e9st k neline\u00e1rn\u00edm zm\u011bn\u00e1m tuhosti a v d\u016fsledku toho k neline\u00e1rn\u00edmu vztahu mezi vibracemi a nerovnov\u00e1hou.<\/li>\n <li><strong>Rotory s v\u016fl\u00ed lo\u017eisek:<\/strong> V\u016fle v lo\u017eisk\u00e1ch mohou za ur\u010dit\u00fdch podm\u00ednek zp\u016fsobit n\u00e1hl\u00e9 zm\u011bny vibrac\u00ed.<\/li>\n <li><strong>Rotory s neline\u00e1rn\u00edmi elastick\u00fdmi prvky:<\/strong> N\u011bkter\u00e9 elastick\u00e9 prvky, jako nap\u0159\u00edklad pry\u017eov\u00e9 tlumi\u010de, mohou vykazovat neline\u00e1rn\u00ed vlastnosti, kter\u00e9 ovliv\u0148uj\u00ed dynamiku rotoru.<\/li>\n <\/ul>\n <\/section>\n\n <section id=\"nonlinear-types\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Typy nelinearity<\/h2>\n <h3 class=\"vma-h3\">1. M\u011bkko-tuh\u00e1 nelinearita<\/h3>\n <p>V takov\u00fdch syst\u00e9mech jsou pozorov\u00e1ny dva segmenty: m\u011bkk\u00fd a tuh\u00fd. V m\u011bkk\u00e9m segmentu se chov\u00e1n\u00ed podob\u00e1 linearit\u011b, kde se amplituda vibrac\u00ed zvy\u0161uje \u00fam\u011brn\u011b hmotnosti nevyv\u00e1\u017eenosti. Po ur\u010dit\u00e9m prahu (bodu zlomu) v\u0161ak syst\u00e9m p\u0159ejde do tuh\u00e9ho re\u017eimu, kdy se r\u016fst amplitudy zpomal\u00ed.<\/p>\n <h3 class=\"vma-h3\">2. Elastick\u00e1 nelinearita<\/h3>\n <p>Zm\u011bny v tuhosti podp\u011br nebo kontakt\u016f v syst\u00e9mu zp\u016fsobuj\u00ed, \u017ee vztah vibrace-nevyv\u00e1\u017eenost je slo\u017eit\u00fd. Vibrace se mohou nap\u0159\u00edklad n\u00e1hle zv\u00fd\u0161it nebo sn\u00ed\u017eit p\u0159i p\u0159ekro\u010den\u00ed specifick\u00fdch prah\u016f zat\u00ed\u017een\u00ed.<\/p>\n <h3 class=\"vma-h3\">3. Nelinearita vyvolan\u00e1 t\u0159en\u00edm<\/h3>\n <p>V syst\u00e9mech s v\u00fdznamn\u00fdm t\u0159en\u00edm (nap\u0159. v lo\u017eisk\u00e1ch) m\u016f\u017ee b\u00fdt amplituda vibrac\u00ed nep\u0159edv\u00eddateln\u00e1. T\u0159en\u00ed m\u016f\u017ee sn\u00ed\u017eit vibrace v jednom rozsahu ot\u00e1\u010dek a zes\u00edlit je v jin\u00e9m.<\/p>\n <\/section>\n\n <section id=\"causes\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">\u010cast\u00e9 p\u0159\u00ed\u010diny neline\u00e1rnosti<\/h2>\n <p>Nej\u010dast\u011bj\u0161\u00edmi p\u0159\u00ed\u010dinami nelinearity jsou zv\u011bt\u0161en\u00e9 v\u016fle lo\u017eisek, opot\u0159eben\u00ed lo\u017eisek, such\u00e9 t\u0159en\u00ed, uvoln\u011bn\u00e9 podp\u011bry, trhliny v konstrukci a provoz v bl\u00edzkosti rezonan\u010dn\u00edch frekvenc\u00ed. Objekt \u010dasto vykazuje tzv. m\u011bkko-tvrdou nelinearitu. P\u0159i mal\u00fdch \u00farovn\u00edch nevyv\u00e1\u017eenosti se syst\u00e9m chov\u00e1 t\u00e9m\u011b\u0159 line\u00e1rn\u011b, ale s rostouc\u00edmi vibracemi se zapojuj\u00ed tu\u017e\u0161\u00ed prvky podp\u011br nebo sk\u0159\u00edn\u011b. V takov\u00fdch p\u0159\u00edpadech je vyv\u00e1\u017een\u00ed mo\u017en\u00e9 pouze v \u00fazk\u00e9m provozn\u00edm rozsahu a neposkytuje stabiln\u00ed dlouhodob\u00e9 v\u00fdsledky.<\/p>\n <\/section>\n\n <section id=\"instability\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vibra\u010dn\u00ed nestabilita<\/h2>\n <p>Dal\u0161\u00edm v\u00e1\u017en\u00fdm probl\u00e9mem je nestabilita vibrac\u00ed. I form\u00e1ln\u011b line\u00e1rn\u00ed objekt m\u016f\u017ee v pr\u016fb\u011bhu \u010dasu vykazovat zm\u011bny amplitudy a f\u00e1ze. To je zp\u016fsobeno tepeln\u00fdmi \u00fa\u010dinky, zm\u011bnami viskozity maziva, tepelnou rozta\u017enost\u00ed a nestabiln\u00edm t\u0159en\u00edm v podp\u011br\u00e1ch. V d\u016fsledku toho mohou m\u011b\u0159en\u00ed prov\u00e1d\u011bn\u00e1 s odstupem jen n\u011bkolika minut v\u00e9st k r\u016fzn\u00fdm vektor\u016fm vibrac\u00ed. Za t\u011bchto podm\u00ednek je smyslupln\u00e9 srovn\u00e1n\u00ed m\u011b\u0159en\u00ed nemo\u017en\u00e9 a v\u00fdpo\u010det vyv\u00e1\u017een\u00ed ztr\u00e1c\u00ed spolehlivost.<\/p>\n <\/section>\n\n <section id=\"resonance\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vyva\u017eov\u00e1n\u00ed v bl\u00edzkosti rezonance<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed v bl\u00edzkosti rezonance je obzvl\u00e1\u0161t\u011b problematick\u00e9. Pokud se rota\u010dn\u00ed frekvence shoduje s vlastn\u00ed frekvenc\u00ed syst\u00e9mu nebo se j\u00ed bl\u00ed\u017e\u00ed, i mal\u00e1 nevyv\u00e1\u017eenost zp\u016fsob\u00ed prudk\u00fd n\u00e1r\u016fst vibrac\u00ed. F\u00e1ze vibrac\u00ed se st\u00e1v\u00e1 extr\u00e9mn\u011b citlivou na mal\u00e9 zm\u011bny rychlosti. Objekt efektivn\u011b vstupuje do neline\u00e1rn\u00edho re\u017eimu a vyva\u017eov\u00e1n\u00ed v t\u00e9to z\u00f3n\u011b ztr\u00e1c\u00ed fyzik\u00e1ln\u00ed v\u00fdznam. V takov\u00fdch p\u0159\u00edpadech je nutn\u00e9 p\u0159ed zv\u00e1\u017een\u00edm vyva\u017eov\u00e1n\u00ed zm\u011bnit provozn\u00ed rychlost nebo mechanickou konstrukci.<\/p>\n <\/section>\n\n <section id=\"high-after\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vysok\u00e9 vibrace po \u201c\u00fasp\u011b\u0161n\u00e9m\u201d vyv\u00e1\u017een\u00ed<\/h2>\n <p>V praxi se b\u011b\u017en\u011b setk\u00e1v\u00e1me se situacemi, kdy i po form\u00e1ln\u011b \u00fasp\u011b\u0161n\u00e9m vyva\u017eov\u00e1n\u00ed z\u016fst\u00e1v\u00e1 celkov\u00e1 \u00farove\u0148 vibrac\u00ed vysok\u00e1. To neznamen\u00e1 chybu p\u0159\u00edstroje ani obsluhy. Vyva\u017eov\u00e1n\u00ed eliminuje pouze nevyv\u00e1\u017eenost hmoty. Pokud jsou vibrace zp\u016fsobeny vadami z\u00e1klad\u016f, uvoln\u011bn\u00fdmi spojovac\u00edmi prvky, nesouosost\u00ed nebo rezonanc\u00ed, korek\u010dn\u00ed z\u00e1va\u017e\u00ed probl\u00e9m nevy\u0159e\u0161\u00ed. V t\u011bchto p\u0159\u00edpadech pom\u00e1h\u00e1 anal\u00fdza prostorov\u00e9ho rozlo\u017een\u00ed vibrac\u00ed nap\u0159\u00ed\u010d strojem a jeho z\u00e1kladem identifikovat skute\u010dnou p\u0159\u00ed\u010dinu.<\/p>\n <\/section>\n\n <section id=\"nonlinear-methods\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f: slo\u017eit\u00fd \u00fakol s nekonven\u010dn\u00edmi \u0159e\u0161en\u00edmi<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f je n\u00e1ro\u010dn\u00fd \u00fakol, kter\u00fd vy\u017eaduje specializovan\u00e9 metody a p\u0159\u00edstupy. Standardn\u00ed metoda zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed vyvinut\u00e1 pro line\u00e1rn\u00ed objekty m\u016f\u017ee poskytovat chybn\u00e9 v\u00fdsledky nebo b\u00fdt zcela nepou\u017eiteln\u00e1.<\/p>\n\n <h3 class=\"vma-h3\">Metody vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f<\/h3>\n <ul>\n <li><strong>Vyva\u017eov\u00e1n\u00ed krok za krokem:<\/strong> Tato metoda spo\u010d\u00edv\u00e1 v postupn\u00e9m sni\u017eov\u00e1n\u00ed nevyv\u00e1\u017eenosti instalac\u00ed korek\u010dn\u00edch z\u00e1va\u017e\u00ed v ka\u017ed\u00e9 f\u00e1zi. Po ka\u017ed\u00e9 f\u00e1zi se prov\u00e1d\u011bj\u00ed m\u011b\u0159en\u00ed vibrac\u00ed a na z\u00e1klad\u011b aktu\u00e1ln\u00edho stavu objektu se ur\u010d\u00ed nov\u00e9 korek\u010dn\u00ed z\u00e1va\u017e\u00ed. Tento p\u0159\u00edstup zohled\u0148uje zm\u011bny koeficientu vlivu b\u011bhem procesu vyva\u017eov\u00e1n\u00ed.<\/li>\n <li><strong>Vyva\u017eov\u00e1n\u00ed p\u0159i v\u00edce rychlostech:<\/strong> Tato metoda \u0159e\u0161\u00ed \u00fa\u010dinky rezonan\u010dn\u00edch jev\u016f p\u0159i r\u016fzn\u00fdch rychlostech ot\u00e1\u010den\u00ed. Vyva\u017eov\u00e1n\u00ed se prov\u00e1d\u00ed p\u0159i n\u011bkolika rychlostech bl\u00edzk\u00fdch rezonanci, co\u017e umo\u017e\u0148uje rovnom\u011brn\u011bj\u0161\u00ed sn\u00ed\u017een\u00ed vibrac\u00ed v cel\u00e9m rozsahu provozn\u00edch rychlost\u00ed.<\/li>\n <li><strong>Pou\u017eit\u00ed matematick\u00fdch model\u016f:<\/strong> Pro slo\u017eit\u00e9 neline\u00e1rn\u00ed objekty lze pou\u017e\u00edt matematick\u00e9 modely popisuj\u00edc\u00ed dynamiku rotoru p\u0159i zohledn\u011bn\u00ed neline\u00e1rn\u00edch efekt\u016f. Tyto modely pom\u00e1haj\u00ed p\u0159edpov\u00eddat chov\u00e1n\u00ed objektu za r\u016fzn\u00fdch podm\u00ednek a ur\u010dovat optim\u00e1ln\u00ed parametry vyva\u017eov\u00e1n\u00ed.<\/li>\n <\/ul>\n\n <p>Zku\u0161enosti a intuice specialisty hraj\u00ed kl\u00ed\u010dovou roli p\u0159i vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f. Zku\u0161en\u00fd vyva\u017eova\u010d dok\u00e1\u017ee rozpoznat zn\u00e1mky nelinearity, zvolit vhodnou metodu a p\u0159izp\u016fsobit ji konkr\u00e9tn\u00ed situaci. Anal\u00fdza vibra\u010dn\u00edch spekter, pozorov\u00e1n\u00ed zm\u011bn vibrac\u00ed p\u0159i zm\u011bn\u00e1ch provozn\u00edch parametr\u016f objektu a zohledn\u011bn\u00ed konstruk\u010dn\u00edch vlastnost\u00ed rotoru pom\u00e1haj\u00ed p\u0159i spr\u00e1vn\u00e9m rozhodov\u00e1n\u00ed a dosa\u017een\u00ed po\u017eadovan\u00fdch v\u00fdsledk\u016f.<\/p>\n <\/section>\n\n <section id=\"nonlinear-howto-linear-tool\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Jak vyv\u00e1\u017eit neline\u00e1rn\u00ed objekty pomoc\u00ed n\u00e1stroje ur\u010den\u00e9ho pro line\u00e1rn\u00ed objekty<\/h2>\n <p>To je dobr\u00e1 ot\u00e1zka. M\u016fj osobn\u00ed zp\u016fsob vyva\u017eov\u00e1n\u00ed takov\u00fdch p\u0159edm\u011bt\u016f za\u010d\u00edn\u00e1 opravou mechanismu: v\u00fdm\u011bnou lo\u017eisek, opravou prasklin sva\u0159ov\u00e1n\u00edm, dota\u017een\u00edm \u0161roub\u016f, kontrolou kotev nebo izol\u00e1tor\u016f vibrac\u00ed a ov\u011b\u0159en\u00edm, \u017ee rotor ned\u0159e o stacion\u00e1rn\u00ed konstruk\u010dn\u00ed prvky.<\/p>\n <p>D\u00e1le identifikuji rezonan\u010dn\u00ed frekvence, proto\u017ee je nemo\u017en\u00e9 vyv\u00e1\u017eit rotor p\u0159i rychlostech bl\u00edzk\u00fdch rezonanci. K tomu pou\u017e\u00edv\u00e1m n\u00e1razovou metodu pro stanoven\u00ed rezonance nebo graf poklesu ot\u00e1\u010dek rotoru.<\/p>\n <p>Pak ur\u010d\u00edm polohu senzoru na mechanismu: svisle, vodorovn\u011b nebo pod \u00fahlem.<\/p>\n <p>Po zku\u0161ebn\u00edch j\u00edzd\u00e1ch p\u0159\u00edstroj indikuje \u00fahel a hmotnost korek\u010dn\u00edch z\u00e1t\u011b\u017e\u00ed. Sni\u017euji hmotnost korek\u010dn\u00ed z\u00e1t\u011b\u017ee na polovinu, ale pro um\u00edst\u011bn\u00ed rotoru pou\u017e\u00edv\u00e1m \u00fahly navr\u017een\u00e9 za\u0159\u00edzen\u00edm. Pokud zbytkov\u00e9 vibrace po korekci st\u00e1le p\u0159ekra\u010duj\u00ed p\u0159ijatelnou \u00farove\u0148, prov\u00e1d\u00edm dal\u0161\u00ed chod rotoru. To samoz\u0159ejm\u011b zabere v\u00edce \u010dasu, ale v\u00fdsledky jsou n\u011bkdy inspirativn\u00ed.<\/p>\n <\/section>\n\n <section id=\"art-science\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Um\u011bn\u00ed a v\u011bda vyva\u017eov\u00e1n\u00ed rota\u010dn\u00edch za\u0159\u00edzen\u00ed<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed rota\u010dn\u00edch za\u0159\u00edzen\u00ed je komplexn\u00ed proces, kter\u00fd kombinuje prvky v\u011bdy a um\u011bn\u00ed. U line\u00e1rn\u00edch objekt\u016f zahrnuje vyva\u017eov\u00e1n\u00ed relativn\u011b jednoduch\u00e9 v\u00fdpo\u010dty a standardn\u00ed metody. Pr\u00e1ce s neline\u00e1rn\u00edmi objekty v\u0161ak vy\u017eaduje hlubok\u00e9 pochopen\u00ed dynamiky rotoru, schopnost analyzovat vibra\u010dn\u00ed sign\u00e1ly a dovednost zvolit nej\u00fa\u010dinn\u011bj\u0161\u00ed strategie vyva\u017eov\u00e1n\u00ed.<\/p>\n <p>Zku\u0161enosti, intuice a neust\u00e1l\u00e9 zlep\u0161ov\u00e1n\u00ed dovednost\u00ed jsou t\u00edm, co d\u011bl\u00e1 ze specialisty na vyva\u017eov\u00e1n\u00ed opravdov\u00e9ho mistra sv\u00e9ho \u0159emesla. Kvalita vyv\u00e1\u017een\u00ed toti\u017e ur\u010duje nejen efektivitu a spolehlivost provozu za\u0159\u00edzen\u00ed, ale tak\u00e9 zaji\u0161\u0165uje bezpe\u010dnost lid\u00ed.<\/p>\n <p> <\/p>\n <\/section>\n\n <section id=\"measurement\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Opakovatelnost m\u011b\u0159en\u00ed<\/h2>\n <p>D\u016fle\u017eitou roli hraj\u00ed i probl\u00e9my s m\u011b\u0159en\u00edm. Nespr\u00e1vn\u00e1 instalace vibra\u010dn\u00edch senzor\u016f, zm\u011bny v m\u011b\u0159ic\u00edch bodech nebo nespr\u00e1vn\u00e1 orientace senzoru p\u0159\u00edmo ovliv\u0148uj\u00ed amplitudu i f\u00e1zi. Pro vyv\u00e1\u017een\u00ed nesta\u010d\u00ed jen m\u011b\u0159it vibrace; kritick\u00e1 je opakovatelnost a stabilita m\u011b\u0159en\u00ed. Proto je v praxi nutn\u00e9 p\u0159\u00edsn\u011b kontrolovat um\u00edst\u011bn\u00ed a orientaci senzor\u016f.<\/p>\n <\/section>\n\n <section id=\"approach\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Praktick\u00fd p\u0159\u00edstup k neline\u00e1rn\u00edm objekt\u016fm<\/h2>\n <p>Vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edho objektu neza\u010d\u00edn\u00e1 v\u017edy instalac\u00ed zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed, ale vyhodnocen\u00edm vibra\u010dn\u00edho chov\u00e1n\u00ed. Pokud se amplituda a f\u00e1ze v \u010dase zjevn\u011b m\u011bn\u00ed, m\u011bn\u00ed se od jednoho startu k druh\u00e9mu nebo ost\u0159e reaguj\u00ed na mal\u00e9 zm\u011bny rychlosti, prvn\u00edm \u00fakolem je dos\u00e1hnout co nejstabiln\u011bj\u0161\u00edho provozn\u00edho re\u017eimu. Bez toho budou jak\u00e9koli v\u00fdpo\u010dty n\u00e1hodn\u00e9.<\/p>\n <p>Prvn\u00edm praktick\u00fdm krokem je volba spr\u00e1vn\u00e9 rychlosti. Neline\u00e1rn\u00ed objekty jsou extr\u00e9mn\u011b citliv\u00e9 na rezonanci, proto je nutn\u00e9 vyva\u017eov\u00e1n\u00ed prov\u00e1d\u011bt rychlost\u00ed co nejd\u00e1le od vlastn\u00edch frekvenc\u00ed. To \u010dasto znamen\u00e1 pohyb pod nebo nad obvykl\u00fdm provozn\u00edm rozsahem. I kdy\u017e jsou vibrace p\u0159i t\u00e9to rychlosti vy\u0161\u0161\u00ed, ale stabiln\u00ed, je vhodn\u011bj\u0161\u00ed ne\u017e vyva\u017eov\u00e1n\u00ed v rezonan\u010dn\u00ed z\u00f3n\u011b.<\/p>\n <p>D\u00e1le je d\u016fle\u017eit\u00e9 minimalizovat v\u0161echny zdroje dodate\u010dn\u00e9 nelinearity. P\u0159ed vyv\u00e1\u017een\u00edm by m\u011bly b\u00fdt zkontrolov\u00e1ny a uta\u017eeny v\u0161echny spojovac\u00ed prvky, co nejv\u00edce eliminov\u00e1ny v\u016fle a podp\u011bry a lo\u017eiskov\u00e9 jednotky zkontrolov\u00e1ny na uvoln\u011bn\u00ed. Vyva\u017eov\u00e1n\u00ed nekompenzuje v\u016fle ani t\u0159en\u00ed, ale m\u016f\u017ee b\u00fdt mo\u017en\u00e9, pokud se tyto faktory uvedou do stabiln\u00edho stavu.<\/p>\n <p>P\u0159i pr\u00e1ci s neline\u00e1rn\u00edm objektem by se mal\u00e1 zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed nem\u011bla pou\u017e\u00edvat ze zvyku. P\u0159\u00edli\u0161 mal\u00e9 zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed \u010dasto nedok\u00e1\u017ee syst\u00e9m posunout do opakovateln\u00e9 oblasti a zm\u011bna vibrac\u00ed se st\u00e1v\u00e1 srovnatelnou s \u0161umem nestability. Zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed mus\u00ed b\u00fdt dostate\u010dn\u011b velk\u00e9, aby zp\u016fsobilo jasnou a reprodukovatelnou zm\u011bnu vektoru vibrac\u00ed, ale ne tak velk\u00e9, aby objekt uvedlo do jin\u00e9ho provozn\u00edho re\u017eimu.<\/p>\n <p>M\u011b\u0159en\u00ed by m\u011bla b\u00fdt prov\u00e1d\u011bna rychle a za identick\u00fdch podm\u00ednek. \u010c\u00edm krat\u0161\u00ed je doba mezi m\u011b\u0159en\u00edmi, t\u00edm vy\u0161\u0161\u00ed je \u0161ance, \u017ee dynamick\u00e9 parametry syst\u00e9mu z\u016fstanou nezm\u011bn\u011bny. Doporu\u010duje se prov\u00e9st n\u011bkolik kontroln\u00edch b\u011bh\u016f beze zm\u011bny konfigurace, aby se ov\u011b\u0159ilo, \u017ee se objekt chov\u00e1 konzistentn\u011b.<\/p>\n <p>Je velmi d\u016fle\u017eit\u00e9 zafixovat mont\u00e1\u017en\u00ed body vibra\u010dn\u00edho senzoru a jejich orientaci. U neline\u00e1rn\u00edch objekt\u016f m\u016f\u017ee i mal\u00e9 posunut\u00ed senzoru zp\u016fsobit znateln\u00e9 zm\u011bny f\u00e1ze a amplitudy, kter\u00e9 mohou b\u00fdt myln\u011b interpretov\u00e1ny jako vliv zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed.<\/p>\n <p>P\u0159i v\u00fdpo\u010dtech by se pozornost nem\u011bla v\u011bnovat p\u0159esn\u00e9 numerick\u00e9 shod\u011b, ale trend\u016fm. Pokud vibrace s n\u00e1sledn\u00fdmi korekcemi konzistentn\u011b klesaj\u00ed, nazna\u010duje to, \u017ee vyva\u017eov\u00e1n\u00ed se ub\u00edr\u00e1 spr\u00e1vn\u00fdm sm\u011brem, i kdy\u017e koeficienty vlivu form\u00e1ln\u011b nekonverguj\u00ed.<\/p>\n <p>Nedoporu\u010duje se ukl\u00e1dat a znovu pou\u017e\u00edvat koeficienty vlivu pro neline\u00e1rn\u00ed objekty. I kdy\u017e je jeden vyva\u017eovac\u00ed cyklus \u00fasp\u011b\u0161n\u00fd, p\u0159i dal\u0161\u00edm spu\u0161t\u011bn\u00ed m\u016f\u017ee objekt p\u0159ej\u00edt do jin\u00e9ho re\u017eimu a p\u0159edchoz\u00ed koeficienty ji\u017e nebudou platn\u00e9.<\/p>\n <p>Je t\u0159eba si uv\u011bdomit, \u017ee vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edho objektu je \u010dasto kompromis. C\u00edlem nen\u00ed dos\u00e1hnout co nejni\u017e\u0161\u00ed vibrace, ale uv\u00e9st stroj do stabiln\u00edho a opakovateln\u00e9ho stavu s p\u0159ijatelnou \u00farovn\u00ed vibrac\u00ed. V mnoha p\u0159\u00edpadech se jedn\u00e1 o do\u010dasn\u00e9 \u0159e\u0161en\u00ed, dokud nebudou opravena lo\u017eiska, obnoveny podp\u011bry nebo upravena konstrukce.<\/p>\n <p>Hlavn\u00ed praktickou z\u00e1sadou je nejprve objekt stabilizovat, pot\u00e9 jej vyv\u00e1\u017eit a teprve pot\u00e9 vyhodnotit v\u00fdsledek. Pokud nelze stabilizace dos\u00e1hnout, m\u011blo by b\u00fdt vyv\u00e1\u017een\u00ed pova\u017eov\u00e1no sp\u00ed\u0161e za pomocn\u00e9 opat\u0159en\u00ed ne\u017e za kone\u010dn\u00e9 \u0159e\u0161en\u00ed.<\/p>\n <\/section>\n\n <section id=\"reduced-correction\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Technika redukovan\u00e9 korek\u010dn\u00ed hmotnosti<\/h2>\n <p>V praxi se p\u0159i vyva\u017eov\u00e1n\u00ed neline\u00e1rn\u00edch objekt\u016f \u010dasto ukazuje jako \u00fa\u010dinn\u00e1 dal\u0161\u00ed d\u016fle\u017eit\u00e1 technika. Pokud p\u0159\u00edstroj vypo\u010d\u00edt\u00e1 korek\u010dn\u00ed z\u00e1va\u017e\u00ed pomoc\u00ed standardn\u00edho algoritmu, instalace pln\u00e9ho vypo\u010d\u00edtan\u00e9ho z\u00e1va\u017e\u00ed situaci \u010dasto zhor\u0161\u00ed: mohou se zv\u00fd\u0161it vibrace, f\u00e1ze m\u016f\u017ee p\u0159eskakovat a objekt se m\u016f\u017ee p\u0159esunout do jin\u00e9ho provozn\u00edho re\u017eimu.<\/p>\n <p>V takov\u00fdch p\u0159\u00edpadech se osv\u011bd\u010duje instalace sn\u00ed\u017een\u00e9 korek\u010dn\u00ed v\u00e1hy \u2013 dvakr\u00e1t nebo n\u011bkdy i t\u0159ikr\u00e1t men\u0161\u00ed, ne\u017e je hodnota vypo\u010d\u00edtan\u00e1 p\u0159\u00edstrojem. To pom\u00e1h\u00e1 zabr\u00e1nit \u201cvyhozen\u00ed\u201d syst\u00e9mu z podm\u00edn\u011bn\u011b line\u00e1rn\u00ed oblasti do dal\u0161\u00edho neline\u00e1rn\u00edho re\u017eimu. V podstat\u011b se korekce aplikuje jemn\u011b, s mal\u00fdm krokem, ani\u017e by zp\u016fsobila prudkou zm\u011bnu dynamick\u00fdch parametr\u016f objektu.<\/p>\n <p>Po instalaci redukovan\u00e9ho z\u00e1va\u017e\u00ed je nutn\u00e9 prov\u00e9st kontroln\u00ed j\u00edzdu a vyhodnotit trend vibrac\u00ed. Pokud amplituda stabiln\u011b kles\u00e1 a f\u00e1ze z\u016fst\u00e1v\u00e1 relativn\u011b stabiln\u00ed, lze korekci opakovat stejn\u00fdm zp\u016fsobem a postupn\u011b se p\u0159ibli\u017eovat minim\u00e1ln\u00ed dosa\u017eiteln\u00e9 \u00farovni vibrac\u00ed. Tato postupn\u00e1 metoda je \u010dasto spolehliv\u011bj\u0161\u00ed ne\u017e jednor\u00e1zov\u00e1 instalace cel\u00e9ho vypo\u010d\u00edtan\u00e9ho korek\u010dn\u00edho z\u00e1va\u017e\u00ed.<\/p>\n <p>Tato technika je obzvl\u00e1\u0161t\u011b \u00fa\u010dinn\u00e1 pro objekty s v\u016flemi, such\u00fdm t\u0159en\u00edm a m\u011bkko-tvrd\u00fdmi podp\u011brami, kde pln\u00e1 vypo\u010d\u00edtan\u00e1 korekce okam\u017eit\u011b vytla\u010d\u00ed syst\u00e9m z podm\u00edn\u011bn\u011b line\u00e1rn\u00ed z\u00f3ny. Pou\u017eit\u00ed sn\u00ed\u017een\u00fdch korek\u010dn\u00edch hmotnost\u00ed umo\u017e\u0148uje objektu z\u016fstat v nejstabiln\u011bj\u0161\u00edm provozn\u00edm re\u017eimu a umo\u017e\u0148uje dos\u00e1hnout praktick\u00e9ho v\u00fdsledku i tam, kde je vyv\u00e1\u017een\u00ed form\u00e1ln\u011b pova\u017eov\u00e1no za nemo\u017en\u00e9.<\/p>\n <p>Je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee se nejedn\u00e1 o \u201cchybu p\u0159\u00edstroje\u201d, ale o d\u016fsledek fyziky neline\u00e1rn\u00edch syst\u00e9m\u016f. P\u0159\u00edstroj spr\u00e1vn\u011b vypo\u010d\u00edt\u00e1v\u00e1 pro line\u00e1rn\u00ed model, zat\u00edmco in\u017een\u00fdr v praxi p\u0159izp\u016fsobuje v\u00fdsledek skute\u010dn\u00e9mu chov\u00e1n\u00ed mechanick\u00e9ho syst\u00e9mu.<\/p>\n <\/section>\n\n <section id=\"conclusion\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Z\u00e1v\u011bre\u010dn\u00e1 z\u00e1sada<\/h2>\n <p>\u00dasp\u011b\u0161n\u00e9 vyva\u017eov\u00e1n\u00ed v kone\u010dn\u00e9m d\u016fsledku nespo\u010d\u00edv\u00e1 pouze ve v\u00fdpo\u010dtu hmotnosti a \u00fahlu. Vy\u017eaduje pochopen\u00ed dynamick\u00e9ho chov\u00e1n\u00ed objektu, jeho linearity, vibra\u010dn\u00ed stability a vzd\u00e1lenosti od rezonan\u010dn\u00edch podm\u00ednek. Balanset-1A poskytuje v\u0161echny pot\u0159ebn\u00e9 n\u00e1stroje pro m\u011b\u0159en\u00ed, anal\u00fdzu a v\u00fdpo\u010det, ale kone\u010dn\u00fd v\u00fdsledek je v\u017edy ur\u010den mechanick\u00fdm stavem samotn\u00e9ho syst\u00e9mu. To je to, co odli\u0161uje form\u00e1ln\u00ed p\u0159\u00edstup od skute\u010dn\u00e9 in\u017een\u00fdrsk\u00e9 praxe v oblasti vibra\u010dn\u00ed diagnostiky a vyva\u017eov\u00e1n\u00ed rotor\u016f.<\/p>\n <\/section>\n\n <section id=\"faq\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Ot\u00e1zky a odpov\u011bdi<\/h2>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se amplituda a f\u00e1ze vibrac\u00ed po instalaci zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed nep\u0159edv\u00eddateln\u011b m\u011bn\u00ed a pro\u010d v\u00fdpo\u010det korek\u010dn\u00edho z\u00e1va\u017e\u00ed d\u00e1v\u00e1 \u0161patn\u00fd v\u00fdsledek?<\/div>\n <p class=\"vma-a\">Toto je zn\u00e1mka neline\u00e1rn\u00edho objektu. U line\u00e1rn\u00edho objektu je amplituda vibrac\u00ed \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti a f\u00e1ze se m\u011bn\u00ed o stejn\u00fd \u00fahel jako \u00fahlov\u00e1 poloha z\u00e1va\u017e\u00ed. Pokud jsou tyto podm\u00ednky poru\u0161eny, koeficient vlivu ji\u017e nen\u00ed konstantn\u00ed a standardn\u00ed vyva\u017eovac\u00ed algoritmus za\u010d\u00edn\u00e1 produkovat chyby. Typick\u00fdmi p\u0159\u00ed\u010dinami jsou v\u016fle lo\u017eisek, uvoln\u011bn\u00e9 podp\u011bry, t\u0159en\u00ed a provoz v bl\u00edzkosti rezonance.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co je line\u00e1rn\u00ed objekt z hlediska vyva\u017eov\u00e1n\u00ed?<\/div>\n <p class=\"vma-a\">Line\u00e1rn\u00ed objekt je rotorov\u00fd syst\u00e9m, ve kter\u00e9m je p\u0159i stejn\u00e9 rychlosti ot\u00e1\u010den\u00ed amplituda vibrac\u00ed p\u0159\u00edmo \u00fam\u011brn\u00e1 velikosti nevyv\u00e1\u017eenosti a f\u00e1ze vibrac\u00ed striktn\u011b sleduje \u00fahlovou polohu nevyv\u00e1\u017een\u00e9 hmoty. U takov\u00fdch objekt\u016f je koeficient vlivu konstantn\u00ed a nez\u00e1vis\u00ed na hmotnosti zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co se p\u0159i vyva\u017eov\u00e1n\u00ed pova\u017euje za neline\u00e1rn\u00ed objekt?<\/div>\n <p class=\"vma-a\">Neline\u00e1rn\u00ed objekt je syst\u00e9m, ve kter\u00e9m je naru\u0161ena proporcionalita mezi vibracemi a nevyv\u00e1\u017eenost\u00ed a\/nebo st\u00e1lost f\u00e1zov\u00e9ho vztahu. Amplituda a f\u00e1ze vibrac\u00ed za\u010d\u00ednaj\u00ed z\u00e1viset na hmotnosti zku\u0161ebn\u00edho z\u00e1va\u017e\u00ed. Nej\u010dast\u011bji je to spojeno s v\u016flemi v lo\u017eisk\u00e1ch, opot\u0159eben\u00edm, such\u00fdm t\u0159en\u00edm, m\u011bkko-tvrd\u00fdmi podp\u011brami nebo z\u00e1b\u011brem tu\u017e\u0161\u00edch konstruk\u010dn\u00edch prvk\u016f.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Je mo\u017en\u00e9 vyv\u00e1\u017eit neline\u00e1rn\u00ed objekt pomoc\u00ed p\u0159\u00edstroje ur\u010den\u00e9ho pro line\u00e1rn\u00ed syst\u00e9my?<\/div>\n <p class=\"vma-a\">Ano, ale v\u00fdsledek je nestabiln\u00ed a z\u00e1vis\u00ed na provozn\u00edm re\u017eimu. Vyva\u017eov\u00e1n\u00ed je mo\u017en\u00e9 pouze v omezen\u00e9m rozsahu, kde se objekt chov\u00e1 podm\u00edn\u011bn\u011b line\u00e1rn\u011b. Mimo tento rozsah se koeficienty vlivu m\u011bn\u00ed a ztr\u00e1c\u00ed se opakovatelnost v\u00fdsledk\u016f.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co je to koeficient vlivu jednodu\u0161e \u0159e\u010deno?<\/div>\n <p class=\"vma-a\">Koeficient vlivu je m\u00edrou citlivosti vibrac\u00ed na zm\u011bny nevyv\u00e1\u017eenosti. Ukazuje, o kolik se zm\u011bn\u00ed vektor vibrac\u00ed, kdy\u017e je zn\u00e1m\u00e9 zku\u0161ebn\u00ed z\u00e1va\u017e\u00ed instalov\u00e1no v dan\u00e9 rovin\u011b p\u0159i dan\u00e9 rychlosti.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se koeficient vlivu m\u011bn\u00ed od jednoho m\u011b\u0159en\u00ed k druh\u00e9mu?<\/div>\n <p class=\"vma-a\">Koeficient vlivu je nestabiln\u00ed, pokud je objekt neline\u00e1rn\u00ed, pokud jsou vibrace v \u010dase nestabiln\u00ed nebo pokud je p\u0159\u00edtomna rezonance, tepeln\u00e9 zah\u0159\u00edv\u00e1n\u00ed, uvoln\u011bn\u00e9 spojovac\u00ed prvky nebo m\u011bn\u00edc\u00ed se t\u0159ec\u00ed podm\u00ednky. V takov\u00fdch p\u0159\u00edpadech opakovan\u00e9 spu\u0161t\u011bn\u00ed produkuj\u00ed r\u016fzn\u00e9 hodnoty amplitudy a f\u00e1ze.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Kdy lze pou\u017e\u00edt ulo\u017een\u00e9 koeficienty vlivu?<\/div>\n <p class=\"vma-a\">Ulo\u017een\u00e9 koeficienty vlivu lze pou\u017e\u00edt pouze pro identick\u00e9 rotory pracuj\u00edc\u00ed se stejnou rychlost\u00ed, za stejn\u00fdch instala\u010dn\u00edch podm\u00ednek a tuhosti podep\u0159en\u00ed. Objekt mus\u00ed b\u00fdt line\u00e1rn\u00ed a vibra\u010dn\u011b stabiln\u00ed. I nepatrn\u00e1 zm\u011bna podm\u00ednek \u010din\u00ed star\u00e9 koeficienty nespolehliv\u00fdmi.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se vibrace b\u011bhem zah\u0159\u00edv\u00e1n\u00ed m\u011bn\u00ed i bez zm\u011bny nevyv\u00e1\u017eenosti?<\/div>\n <p class=\"vma-a\">B\u011bhem zah\u0159\u00edv\u00e1n\u00ed se m\u011bn\u00ed v\u016fle lo\u017eisek, tuhost podep\u0159en\u00ed, viskozita maziva a \u00farove\u0148 t\u0159en\u00ed. To m\u011bn\u00ed dynamick\u00e9 parametry syst\u00e9mu a v d\u016fsledku toho m\u011bn\u00ed amplitudu a f\u00e1zi vibrac\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Co je vibra\u010dn\u00ed nestabilita a pro\u010d naru\u0161uje vyv\u00e1\u017een\u00ed?<\/div>\n <p class=\"vma-a\">Nestabilita vibrac\u00ed je zm\u011bna amplitudy a\/nebo f\u00e1ze v \u010dase p\u0159i konstantn\u00ed rychlosti ot\u00e1\u010den\u00ed. Vyva\u017eov\u00e1n\u00ed se spol\u00e9h\u00e1 na porovn\u00e1v\u00e1n\u00ed vektor\u016f vibrac\u00ed, tak\u017ee kdy\u017e jsou vibrace nestabiln\u00ed, porovn\u00e1n\u00ed ztr\u00e1c\u00ed smysl a v\u00fdpo\u010det se st\u00e1v\u00e1 nespolehliv\u00fdm.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak\u00e9 typy vibra\u010dn\u00ed nestability existuj\u00ed?<\/div>\n <p class=\"vma-a\">Existuje inherentn\u00ed struktur\u00e1ln\u00ed nestabilita, pomal\u00e1 \"pl\u00ed\u017eiv\u00e1\" nestabilita, kol\u00eds\u00e1n\u00ed od za\u010d\u00e1tku k za\u010d\u00e1tku, nestabilita souvisej\u00edc\u00ed se zah\u0159\u00edv\u00e1n\u00edm a nestabilita souvisej\u00edc\u00ed s rezonanc\u00ed p\u0159i provozu v bl\u00edzkosti vlastn\u00edch frekvenc\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d nen\u00ed mo\u017en\u00e9 vyv\u00e1\u017eit rotor v rezonan\u010dn\u00ed z\u00f3n\u011b?<\/div>\n <p class=\"vma-a\">V rezonan\u010dn\u00ed z\u00f3n\u011b i mal\u00e1 nevyv\u00e1\u017eenost zp\u016fsobuje prudk\u00fd n\u00e1r\u016fst vibrac\u00ed a f\u00e1ze se st\u00e1v\u00e1 extr\u00e9mn\u011b citlivou na mal\u00e9 zm\u011bny. Za t\u011bchto podm\u00ednek se objekt st\u00e1v\u00e1 neline\u00e1rn\u00edm a v\u00fdsledky vyva\u017eov\u00e1n\u00ed ztr\u00e1cej\u00ed fyzik\u00e1ln\u00ed v\u00fdznam.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak lze zjistit, \u017ee vyva\u017eovac\u00ed rychlost se bl\u00ed\u017e\u00ed rezonan\u010dn\u00ed rychlosti?<\/div>\n <p class=\"vma-a\">Typick\u00fdmi p\u0159\u00edznaky jsou prudk\u00fd n\u00e1r\u016fst vibrac\u00ed s mal\u00fdmi zm\u011bnami ot\u00e1\u010dek, nestabiln\u00ed f\u00e1ze, \u0161irok\u00e9 hrboly ve spektru a vysok\u00e1 citlivost vibrac\u00ed na drobn\u00e9 zm\u011bny ot\u00e1\u010dek. Maximum vibrac\u00ed je \u010dasto pozorov\u00e1no b\u011bhem rozjezdu nebo vyb\u011bhnut\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d vysok\u00e9 vibrace ne v\u017edy znamenaj\u00ed velkou nevyv\u00e1\u017eenost?<\/div>\n <p class=\"vma-a\">Vysok\u00e9 vibrace mohou b\u00fdt zp\u016fsobeny rezonanc\u00ed, uvoln\u011bn\u00fdmi konstrukcemi, vadami z\u00e1klad\u016f nebo probl\u00e9my s lo\u017eisky. V takov\u00fdch p\u0159\u00edpadech vyv\u00e1\u017een\u00ed p\u0159\u00ed\u010dinu vibrac\u00ed neodstran\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak\u00fd je rozd\u00edl mezi vibra\u010dn\u00edm posunut\u00edm, vibra\u010dn\u00ed rychlost\u00ed a vibra\u010dn\u00edm zrychlen\u00edm?<\/div>\n <p class=\"vma-a\">Vibra\u010dn\u00ed posunut\u00ed charakterizuje amplitudu pohybu, vibra\u010dn\u00ed rychlost charakterizuje rychlost tohoto pohybu a vibra\u010dn\u00ed zrychlen\u00ed charakterizuje zrychlen\u00ed. Tyto veli\u010diny spolu souvisej\u00ed, ale ka\u017ed\u00e1 je vhodn\u011bj\u0161\u00ed pro detekci ur\u010dit\u00fdch typ\u016f vad a frekven\u010dn\u00edch rozsah\u016f.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se mezn\u00ed hodnoty vibrac\u00ed obvykle specifikuj\u00ed z hlediska rychlosti vibrac\u00ed?<\/div>\n <p class=\"vma-a\">Rychlost vibrac\u00ed odr\u00e1\u017e\u00ed energetickou hladinu vibrac\u00ed v \u0161irok\u00e9m frekven\u010dn\u00edm rozsahu a je vhodn\u00e1 pro posouzen\u00ed celkov\u00e9ho stavu stroj\u016f podle norem ISO.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Je mo\u017en\u00e9 p\u0159\u00edmo p\u0159ev\u00e9st vibra\u010dn\u00ed posunut\u00ed na vibra\u010dn\u00ed rychlost a naopak?<\/div>\n <p class=\"vma-a\">Spr\u00e1vn\u00fd p\u0159evod je mo\u017en\u00fd pouze pro harmonick\u00e9 vibrace s jednou frekvenc\u00ed. U slo\u017eit\u00fdch vibra\u010dn\u00edch spekter poskytuj\u00ed takov\u00e9 p\u0159evody pouze p\u0159ibli\u017en\u00e9 v\u00fdsledky.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d vibrace z\u016fst\u00e1vaj\u00ed po vyv\u00e1\u017een\u00ed vysok\u00e9?<\/div>\n <p class=\"vma-a\">Mezi mo\u017en\u00e9 p\u0159\u00ed\u010diny pat\u0159\u00ed rezonance, vady z\u00e1klad\u016f, uvoln\u011bn\u00e9 spojovac\u00ed prvky, opot\u0159eben\u00ed lo\u017eisek, nesouosost nebo nelinearita objektu. Vyva\u017eov\u00e1n\u00ed odstra\u0148uje pouze nevyv\u00e1\u017eenost, nikoli jin\u00e9 vady.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak se d\u00e1 poznat, \u017ee probl\u00e9m nen\u00ed v rotoru, ale v z\u00e1kladech?<\/div>\n <p class=\"vma-a\">Pokud nejsou zji\u0161t\u011bny mechanick\u00e9 vady a vibrace se po vyv\u00e1\u017een\u00ed nesn\u00ed\u017e\u00ed, je nutn\u00e9 analyzovat rozlo\u017een\u00ed vibrac\u00ed na stroji a z\u00e1kladech. Typick\u00fdmi znaky jsou vysok\u00e9 vibrace sk\u0159\u00edn\u011b a z\u00e1kladny a f\u00e1zov\u00e9 posuny mezi m\u011b\u0159ic\u00edmi body.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d je spr\u00e1vn\u00e1 instalace vibra\u010dn\u00edch senzor\u016f d\u016fle\u017eit\u00e1?<\/div>\n <p class=\"vma-a\">Nespr\u00e1vn\u00e1 instalace senzoru zkresluje amplitudu a f\u00e1zi, sni\u017euje opakovatelnost m\u011b\u0159en\u00ed a m\u016f\u017ee v\u00e9st k nespr\u00e1vn\u00fdm diagnostick\u00fdm z\u00e1v\u011br\u016fm a chybn\u00fdm v\u00fdsledk\u016fm vyv\u00e1\u017een\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d r\u016fzn\u00e9 m\u011b\u0159ic\u00ed body vykazuj\u00ed r\u016fzn\u00e9 \u00farovn\u011b vibrac\u00ed?<\/div>\n <p class=\"vma-a\">Vibrace jsou v cel\u00e9 konstrukci rozlo\u017eeny nerovnom\u011brn\u011b. Tuhost, hmotnosti a tvary vibrac\u00ed se li\u0161\u00ed, tak\u017ee amplituda a f\u00e1ze se mohou bod od bodu v\u00fdrazn\u011b li\u0161it.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Je mo\u017en\u00e9 vyv\u00e1\u017eit rotor s opot\u0159ebovan\u00fdmi lo\u017eisky?<\/div>\n <p class=\"vma-a\">Zpravidla ne. Opot\u0159eben\u00ed a zv\u011bt\u0161en\u00e9 v\u016fle \u010din\u00ed objekt neline\u00e1rn\u00edm. Vyva\u017eov\u00e1n\u00ed se st\u00e1v\u00e1 nestabiln\u00edm a neposkytuje dlouhodob\u00fd v\u00fdsledek. V\u00fdjimky jsou mo\u017en\u00e9 pouze p\u0159i n\u00e1vrhov\u00fdch v\u016fl\u00edch a stabiln\u00edch podm\u00ednk\u00e1ch.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se v\u00fdsledek vyva\u017eov\u00e1n\u00ed po ka\u017ed\u00e9m startu li\u0161\u00ed?<\/div>\n <p class=\"vma-a\">Rozjezd vytv\u00e1\u0159\u00ed vysok\u00e9 dynamick\u00e9 zat\u00ed\u017een\u00ed. Pokud je konstrukce uvoln\u011bn\u00e1, vz\u00e1jemn\u00e9 polohy prvk\u016f se po ka\u017ed\u00e9m rozjezdu m\u011bn\u00ed, co\u017e vede ke zm\u011bn\u00e1m parametr\u016f vibrac\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Kdy je s\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed pomoc\u00ed koeficient\u016f vlivu p\u0159ijateln\u00e9?<\/div>\n <p class=\"vma-a\">S\u00e9riov\u00e9 vyva\u017eov\u00e1n\u00ed je mo\u017en\u00e9 pro identick\u00e9 rotory instalovan\u00e9 za identick\u00fdch podm\u00ednek, se stabilitou vibrac\u00ed a absenc\u00ed rezonance. V tomto p\u0159\u00edpad\u011b lze koeficienty vlivu z prvn\u00edho rotoru aplikovat na n\u00e1sleduj\u00edc\u00ed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Pro\u010d se v\u00fdsledek b\u011bhem s\u00e9riov\u00e9ho vyva\u017eov\u00e1n\u00ed n\u00e1hle p\u0159estane opakovat?<\/div>\n <p class=\"vma-a\">To je obvykle zp\u016fsobeno zm\u011bnami tuhosti podp\u011br, rozd\u00edly v mont\u00e1\u017ei, zm\u011bnami rychlosti ot\u00e1\u010den\u00ed nebo p\u0159echodem objektu do neline\u00e1rn\u00edho provozn\u00edho re\u017eimu.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Jak\u00e9 je hlavn\u00ed krit\u00e9rium pro \u00fasp\u011b\u0161n\u00e9 vyv\u00e1\u017een\u00ed?<\/div>\n <p class=\"vma-a\">Sn\u00ed\u017een\u00ed vibrac\u00ed na stabiln\u00ed \u00farove\u0148 p\u0159i zachov\u00e1n\u00ed opakovatelnosti amplitudy a f\u00e1ze od za\u010d\u00e1tku do za\u010d\u00e1tku a absence zn\u00e1mek rezonance nebo nelinearity.<\/p>\n <\/div>\n <\/section>\n <\/div>\n <\/main>\n <\/div>\n<\/body>\n<\/html>\n\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Nonlinear Objects in Rotor Balancing: Causes, Symptoms, and Practical Approach Nonlinear Objects in Rotor Balancing Why balancing \u201cdoes not work\u201d, why influence coefficients change, and how to proceed in real field conditions Contents Overview Linear & nonlinear vibrations Linear vs nonlinear objects What are linear objects? Graph of linearity Influence […]<\/p>\n","protected":false},"author":2,"featured_media":5200,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4,113,9,5,110],"tags":[],"class_list":["post-5199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-example","category-measurement","category-rotors","category-solutions","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/5199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/comments?post=5199"}],"version-history":[{"count":3,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/5199\/revisions"}],"predecessor-version":[{"id":20911,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/5199\/revisions\/20911"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media\/5200"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=5199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=5199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=5199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}