{"id":5199,"date":"2024-11-25T01:12:23","date_gmt":"2024-11-25T01:12:23","guid":{"rendered":"https:\/\/vibromera.eu\/?p=5199"},"modified":"2025-12-19T19:20:24","modified_gmt":"2025-12-19T19:20:24","slug":"linear-and-nonlinear-vibrations-balancing-nonlinear-objects","status":"publish","type":"post","link":"https:\/\/vibromera.eu\/vi\/example\/linear-and-nonlinear-vibrations-balancing-nonlinear-objects\/","title":{"rendered":"C\u00e2n b\u1eb1ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh v\u00e0 phi tuy\u1ebfn t\u00ednh"},"content":{"rendered":"
\n\n\n \n \n\n \n C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh trong c\u00e2n b\u1eb1ng r\u00f4to: Nguy\u00ean nh\u00e2n, tri\u1ec7u ch\u1ee9ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c ti\u1ec5n<\/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 <!-- Open Graph -->\n \n \n \n \n\n <!-- Twitter -->\n \n \n \n\n <!-- Fonts -->\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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V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, thu\u1eadt to\u00e1n \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft r\u00f5 v\u00e0 thi\u1ebft b\u1ecb th\u1ef1c hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c ph\u00e9p t\u00ednh t\u1ef1 \u0111\u1ed9ng, nh\u01b0ng k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng ph\u1ee5 thu\u1ed9c nhi\u1ec1u h\u01a1n v\u00e0o h\u00e0nh vi c\u1ee7a ch\u00ednh v\u1eadt th\u1ec3 h\u01a1n l\u00e0 v\u00e0o thi\u1ebft b\u1ecb c\u00e2n b\u1eb1ng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao, trong c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf, th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 vi\u1ec7c c\u00e2n b\u1eb1ng "kh\u00f4ng hi\u1ec7u qu\u1ea3", h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng thay \u0111\u1ed5i, \u0111\u1ed9 rung tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 k\u1ebft qu\u1ea3 kh\u00f4ng th\u1ec3 l\u1eb7p l\u1ea1i gi\u1eefa c\u00e1c l\u1ea7n ch\u1ea1y.<\/p>\n <\/section>\n\n <section id=\"linear-nonlinear-vibrations\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Rung \u0111\u1ed9ng tuy\u1ebfn t\u00ednh v\u00e0 phi tuy\u1ebfn t\u00ednh, \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u00fang v\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u00e2n b\u1eb1ng<\/h2>\n <p>Vi\u1ec7c c\u00e2n b\u1eb1ng th\u00e0nh c\u00f4ng \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u c\u00e1ch m\u1ed9t v\u1eadt th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi vi\u1ec7c th\u00eam ho\u1eb7c b\u1edbt kh\u1ed1i l\u01b0\u1ee3ng. Trong b\u1ed1i c\u1ea3nh n\u00e0y, c\u00e1c kh\u00e1i ni\u1ec7m v\u1ec1 v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh v\u00e0 phi tuy\u1ebfn t\u00ednh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c v\u1eadt th\u1ec3 l\u00e0 tuy\u1ebfn t\u00ednh hay phi tuy\u1ebfn t\u00ednh cho ph\u00e9p l\u1ef1a ch\u1ecdn chi\u1ebfn l\u01b0\u1ee3c c\u00e2n b\u1eb1ng ch\u00ednh x\u00e1c v\u00e0 gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 mong mu\u1ed1n.<\/p>\n <p>C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh gi\u1eef v\u1ecb tr\u00ed \u0111\u1eb7c bi\u1ec7t trong l\u0129nh v\u1ef1c n\u00e0y nh\u1edd t\u00ednh d\u1ec5 d\u1ef1 \u0111o\u00e1n v\u00e0 \u1ed5n \u0111\u1ecbnh. Ch\u00fang cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n v\u00e0 c\u00e2n b\u1eb1ng \u0111\u01a1n gi\u1ea3n, \u0111\u00e1ng tin c\u1eady, khi\u1ebfn vi\u1ec7c nghi\u00ean c\u1ee9u ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong ch\u1ea9n \u0111o\u00e1n rung \u0111\u1ed9ng.<\/p>\n <\/section>\n\n <section id=\"linear-vs-nonlinear\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">\u0110\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh so v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh<\/h2>\n <p>H\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y \u0111\u1ec1u b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n nh\u01b0ng th\u01b0\u1eddng b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p gi\u1eefa c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh v\u00e0 phi tuy\u1ebfn t\u00ednh. T\u1eeb quan \u0111i\u1ec3m c\u00e2n b\u1eb1ng, v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng trong \u0111\u00f3, \u1edf t\u1ed1c \u0111\u1ed9 quay kh\u00f4ng \u0111\u1ed5i, bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi m\u1ee9c \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng, v\u00e0 pha dao \u0111\u1ed9ng tu\u00e2n theo v\u1ecb tr\u00ed g\u00f3c c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng m\u1ea5t c\u00e2n b\u1eb1ng m\u1ed9t c\u00e1ch ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. Trong \u0111i\u1ec1u ki\u1ec7n n\u00e0y, h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb kh\u00f4ng \u0111\u1ed5i. T\u1ea5t c\u1ea3 c\u00e1c thu\u1eadt to\u00e1n c\u00e2n b\u1eb1ng \u0111\u1ed9ng ti\u00eau chu\u1ea9n, bao g\u1ed3m c\u1ea3 nh\u1eefng thu\u1eadt to\u00e1n \u0111\u01b0\u1ee3c tri\u1ec3n khai trong Balanset-1A, \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c cho c\u00e1c v\u1eadt th\u1ec3 nh\u01b0 v\u1eady.<\/p>\n <p>\u0110\u1ed1i v\u1edbi v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, qu\u00e1 tr\u00ecnh c\u00e2n b\u1eb1ng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c v\u00e0 \u1ed5n \u0111\u1ecbnh. Vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1ed9t qu\u1ea3 c\u00e2n th\u1eed nghi\u1ec7m t\u1ea1o ra s\u1ef1 thay \u0111\u1ed5i t\u1ef7 l\u1ec7 thu\u1eadn v\u1ec1 bi\u00ean \u0111\u1ed9 v\u00e0 pha dao \u0111\u1ed9ng. C\u00e1c l\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1eb7p l\u1ea1i cho c\u00f9ng m\u1ed9t vect\u01a1 dao \u0111\u1ed9ng, v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u1eabn h\u1ee3p l\u1ec7. Nh\u1eefng v\u1eadt th\u1ec3 nh\u01b0 v\u1eady r\u1ea5t ph\u00f9 h\u1ee3p cho c\u1ea3 vi\u1ec7c c\u00e2n b\u1eb1ng m\u1ed9t l\u1ea7n v\u00e0 c\u00e2n b\u1eb1ng n\u1ed1i ti\u1ebfp b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef.<\/p>\n <p>M\u1ed9t v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh ho\u1ea1t \u0111\u1ed9ng theo m\u1ed9t c\u00e1ch ho\u00e0n to\u00e0n kh\u00e1c. C\u01a1 s\u1edf c\u1ee7a ph\u00e9p t\u00ednh c\u00e2n b\u1eb1ng b\u1ecb vi ph\u1ea1m. Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng kh\u00f4ng c\u00f2n t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng, pha tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt th\u1eed, ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 th\u1eddi gian. Trong th\u1ef1c t\u1ebf, \u0111i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng h\u00e0nh vi h\u1ed7n lo\u1ea1n c\u1ee7a vect\u01a1 dao \u0111\u1ed9ng: sau khi l\u1eafp \u0111\u1eb7t v\u1eadt th\u1eed, s\u1ef1 thay \u0111\u1ed5i dao \u0111\u1ed9ng c\u00f3 th\u1ec3 qu\u00e1 nh\u1ecf, qu\u00e1 l\u1edbn, ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n <\/section>\n\n <section id=\"what-are-linear-objects\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">\u0110\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh l\u00e0 g\u00ec?<\/h2>\n <p>\u0110\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh l\u00e0 h\u1ec7 th\u1ed1ng trong \u0111\u00f3 rung \u0111\u1ed9ng t\u1ef7 l\u1ec7 thu\u1eadn tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ed9 l\u1edbn c\u1ee7a m\u1ea5t c\u00e2n b\u1eb1ng.<\/p>\n <p>Trong ng\u1eef c\u1ea3nh c\u00e2n b\u1eb1ng, v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh l\u00fd t\u01b0\u1edfng \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi m\u1ed1i quan h\u1ec7 t\u1ef7 l\u1ec7 thu\u1eadn tr\u1ef1c ti\u1ebfp gi\u1eefa \u0111\u1ed9 l\u1edbn c\u1ee7a s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng (kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng) v\u00e0 bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng t\u0103ng g\u1ea5p \u0111\u00f4i, bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng c\u0169ng s\u1ebd t\u0103ng g\u1ea5p \u0111\u00f4i, v\u1edbi \u0111i\u1ec1u ki\u1ec7n t\u1ed1c \u0111\u1ed9 quay c\u1ee7a r\u00f4to kh\u00f4ng \u0111\u1ed5i. Ng\u01b0\u1ee3c l\u1ea1i, gi\u1ea3m s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng s\u1ebd l\u00e0m gi\u1ea3m dao \u0111\u1ed9ng m\u1ed9t c\u00e1ch t\u1ef7 l\u1ec7 thu\u1eadn.<\/p>\n <p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng phi tuy\u1ebfn t\u00ednh, trong \u0111\u00f3 h\u00e0nh vi c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh cho ph\u00e9p \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u1edbi n\u1ed7 l\u1ef1c t\u1ed1i thi\u1ec3u.<\/p>\n <p>Ngo\u00e0i ra, ch\u00fang c\u00f2n \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng cho vi\u1ec7c \u0111\u00e0o t\u1ea1o v\u00e0 th\u1ef1c h\u00e0nh cho ng\u01b0\u1eddi c\u00e2n b\u1eb1ng. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c nguy\u00ean t\u1eafc c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh gi\u00fap ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng sau n\u00e0y c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n <\/section>\n\n <section id=\"linearity-graph\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Bi\u1ec3u di\u1ec5n \u0111\u1ed3 h\u1ecda c\u1ee7a t\u00ednh tuy\u1ebfn t\u00ednh<\/h2>\n <p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t \u0111\u1ed3 th\u1ecb trong \u0111\u00f3 tr\u1ee5c ho\u00e0nh bi\u1ec3u th\u1ecb \u0111\u1ed9 l\u1edbn c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng (s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng), v\u00e0 tr\u1ee5c tung bi\u1ec3u th\u1ecb bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng. \u0110\u1ed1i v\u1edbi m\u1ed9t v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, \u0111\u1ed3 th\u1ecb n\u00e0y s\u1ebd l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua g\u1ed1c t\u1ecda \u0111\u1ed9 (\u0111i\u1ec3m m\u00e0 c\u1ea3 \u0111\u1ed9 l\u1edbn m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng \u0111\u1ec1u b\u1eb1ng kh\u00f4ng). \u0110\u1ed9 d\u1ed1c c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng n\u00e0y \u0111\u1eb7c tr\u01b0ng cho \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ee7a v\u1eadt th\u1ec3 \u0111\u1ed1i v\u1edbi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng: \u0111\u1ed9 d\u1ed1c c\u00e0ng l\u1edbn, \u0111\u1ed9 dao \u0111\u1ed9ng c\u00e0ng m\u1ea1nh \u0111\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t m\u1ee9c \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng.<\/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=\"Bi\u1ec3u \u0111\u1ed3 1: M\u1ed1i quan h\u1ec7 gi\u1eefa bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng (\u00b5m) v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng (g)\" width=\"750\" height=\"589\" \/>\n <\/a>\n <p class=\"vma-caption\"><strong>Bi\u1ec3u \u0111\u1ed3 1: M\u1ed1i quan h\u1ec7 gi\u1eefa bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng (\u00b5m) v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng (g)<\/strong><\/p>\n <\/div>\n\n <p>Bi\u1ec3u \u0111\u1ed3 1 minh h\u1ecda m\u1ed1i quan h\u1ec7 gi\u1eefa bi\u00ean \u0111\u1ed9 rung (\u00b5m) c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3 c\u00e2n b\u1eb1ng tuy\u1ebfn t\u00ednh v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng (g) c\u1ee7a r\u00f4to. H\u1ec7 s\u1ed1 t\u1ef7 l\u1ec7 l\u00e0 0,5 \u00b5m\/g. Ch\u1ec9 c\u1ea7n chia 300 cho 600 s\u1ebd cho k\u1ebft qu\u1ea3 0,5 \u00b5m\/g. \u0110\u1ed1i v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng l\u00e0 800 g (UM=800 g), \u0111\u1ed9 rung s\u1ebd l\u00e0 800 g * 0,5 \u00b5m\/g = 400 \u00b5m. L\u01b0u \u00fd r\u1eb1ng \u0111i\u1ec1u n\u00e0y \u00e1p d\u1ee5ng \u1edf t\u1ed1c \u0111\u1ed9 r\u00f4to kh\u00f4ng \u0111\u1ed5i. \u1ede t\u1ed1c \u0111\u1ed9 quay kh\u00e1c nhau, h\u1ec7 s\u1ed1 s\u1ebd kh\u00e1c nhau.<\/p>\n <p>H\u1ec7 s\u1ed1 t\u1ef7 l\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng (h\u1ec7 s\u1ed1 nh\u1ea1y) v\u00e0 c\u00f3 k\u00edch th\u01b0\u1edbc l\u00e0 \u00b5m\/g ho\u1eb7c, trong tr\u01b0\u1eddng h\u1ee3p li\u00ean quan \u0111\u1ebfn m\u1ea5t c\u00e2n b\u1eb1ng, \u00b5m\/(g*mm), trong \u0111\u00f3 (g*mm) l\u00e0 \u0111\u01a1n v\u1ecb m\u1ea5t c\u00e2n b\u1eb1ng. Bi\u1ebft \u0111\u01b0\u1ee3c h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng (IC), c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3i b\u00e0i to\u00e1n ng\u01b0\u1ee3c, c\u1ee5 th\u1ec3 l\u00e0 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng (UM) d\u1ef1a tr\u00ean bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng. \u0110\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y, h\u00e3y chia bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng cho IC.<\/p>\n <p>V\u00ed d\u1ee5, n\u1ebfu \u0111\u1ed9 rung \u0111o \u0111\u01b0\u1ee3c l\u00e0 300 \u00b5m v\u00e0 h\u1ec7 s\u1ed1 \u0111\u00e3 bi\u1ebft l\u00e0 IC=0,5 \u00b5m\/g, h\u00e3y chia 300 cho 0,5 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c 600 g (UM=600 g).<\/p>\n <\/section>\n\n <section id=\"influence-coefficient\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">H\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng (IC): Tham s\u1ed1 ch\u00ednh c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh<\/h2>\n <p>M\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng c\u1ee7a v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh l\u00e0 h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng (IC). N\u00f3 b\u1eb1ng gi\u00e1 tr\u1ecb tang c\u1ee7a g\u00f3c nghi\u00eang \u0111\u01b0\u1eddng th\u1eb3ng tr\u00ean \u0111\u1ed3 th\u1ecb bi\u1ec3u di\u1ec5n s\u1ef1 rung \u0111\u1ed9ng so v\u1edbi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 cho bi\u1ebft bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng (t\u00ednh b\u1eb1ng micromet, \u00b5m) thay \u0111\u1ed5i bao nhi\u00eau khi m\u1ed9t \u0111\u01a1n v\u1ecb kh\u1ed1i l\u01b0\u1ee3ng (t\u00ednh b\u1eb1ng gam, g) \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong m\u1ed9t m\u1eb7t ph\u1eb3ng hi\u1ec7u ch\u1ec9nh c\u1ee5 th\u1ec3 \u1edf m\u1ed9t t\u1ed1c \u0111\u1ed9 quay r\u00f4to c\u1ee5 th\u1ec3. N\u00f3i c\u00e1ch kh\u00e1c, IC l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ee7a v\u1eadt th\u1ec3 \u0111\u1ed1i v\u1edbi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng. \u0110\u01a1n v\u1ecb \u0111o c\u1ee7a n\u00f3 l\u00e0 \u00b5m\/g, ho\u1eb7c, khi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng t\u00edch c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 b\u00e1n k\u00ednh, l\u00e0 \u00b5m\/(g*mm).<\/p>\n <p>V\u1ec1 c\u01a1 b\u1ea3n, h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan n\u1ed9i (IC) l\u00e0 \u0111\u1eb7c t\u00ednh "h\u1ed9 chi\u1ebfu" c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, cho ph\u00e9p d\u1ef1 \u0111o\u00e1n h\u00e0nh vi c\u1ee7a n\u00f3 khi kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ho\u1eb7c lo\u1ea1i b\u1ecf. Vi\u1ec7c bi\u1ebft IC cho ph\u00e9p gi\u1ea3i quy\u1ebft c\u1ea3 b\u00e0i to\u00e1n thu\u1eadn \u2013 x\u00e1c \u0111\u1ecbnh bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng cho m\u1ed9t s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng nh\u1ea5t \u0111\u1ecbnh \u2013 v\u00e0 b\u00e0i to\u00e1n ngh\u1ecbch \u2013 t\u00ednh to\u00e1n bi\u00ean \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng t\u1eeb dao \u0111\u1ed9ng \u0111o \u0111\u01b0\u1ee3c.<\/p>\n\n <h3 class=\"vma-h3\">B\u00e0i to\u00e1n thu\u1eadn:<\/h3>\n <div class=\"vma-formula\">Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng (\u00b5m) = IC (\u00b5m\/g) * Kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng (g)<\/div>\n\n <h3 class=\"vma-h3\">B\u00e0i to\u00e1n ng\u01b0\u1ee3c:<\/h3>\n <div class=\"vma-formula\">Kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng (g) = Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng (\u00b5m) \/ IC (\u00b5m\/g)<\/div>\n <\/section>\n\n <section id=\"linear-phase\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Pha rung \u0111\u1ed9ng trong c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh<\/h2>\n <p>Ngo\u00e0i bi\u00ean \u0111\u1ed9, dao \u0111\u1ed9ng c\u00f2n \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi pha, cho bi\u1ebft v\u1ecb tr\u00ed c\u1ee7a r\u00f4to t\u1ea1i th\u1eddi \u0111i\u1ec3m l\u1ec7ch t\u1ed1i \u0111a so v\u1edbi v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng. \u0110\u1ed1i v\u1edbi v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, pha dao \u0111\u1ed9ng c\u0169ng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. N\u00f3 l\u00e0 t\u1ed5ng c\u1ee7a hai g\u00f3c:<\/p>\n <ol>\n <li>G\u00f3c n\u00e0y x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng m\u1ea5t c\u00e2n b\u1eb1ng t\u1ed5ng th\u1ec3 c\u1ee7a r\u00f4to. G\u00f3c n\u00e0y cho bi\u1ebft h\u01b0\u1edbng t\u1eadp trung c\u1ee7a s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng ch\u00ednh.<\/li>\n <li>L\u00fd thuy\u1ebft v\u1ec1 h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng. \u0110\u00e2y l\u00e0 m\u1ed9t g\u00f3c kh\u00f4ng \u0111\u1ed5i \u0111\u1eb7c tr\u01b0ng cho c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3 v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 l\u1edbn hay g\u00f3c \u0111\u1ed9 c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t.<\/li>\n <\/ol>\n <p>Do \u0111\u00f3, b\u1eb1ng c\u00e1ch bi\u1ebft \u0111\u1ed1i s\u1ed1 IC v\u00e0 \u0111o pha rung, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh g\u00f3c l\u1eafp \u0111\u1eb7t kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng c\u00e2n b\u1eb1ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 cho ph\u00e9p t\u00ednh to\u00e1n \u0111\u1ed9 l\u1edbn kh\u1ed1i l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh m\u00e0 c\u00f2n cho ph\u00e9p \u0111\u1eb7t ch\u00ednh x\u00e1c kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00f3 tr\u00ean r\u00f4to \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u.<\/p>\n <\/section>\n\n <section id=\"linear-balancing-steps\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">C\u00e2n b\u1eb1ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh<\/h2>\n <p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 \u0111\u1ed1i v\u1edbi m\u1ed9t v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng (IC) \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo c\u00e1ch n\u00e0y kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 l\u1edbn ho\u1eb7c g\u00f3c c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m, c\u0169ng kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 rung ban \u0111\u1ea7u. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a t\u00ednh tuy\u1ebfn t\u00ednh. N\u1ebfu IC kh\u00f4ng thay \u0111\u1ed5i khi c\u00e1c th\u00f4ng s\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m ho\u1eb7c \u0111\u1ed9 rung ban \u0111\u1ea7u b\u1ecb thay \u0111\u1ed5i, th\u00ec c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh ch\u1eafc ch\u1eafn r\u1eb1ng v\u1eadt th\u1ec3 \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng tuy\u1ebfn t\u00ednh trong ph\u1ea1m vi m\u1ea5t c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n\n <h3 class=\"vma-h3\">C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 c\u00e2n b\u1eb1ng m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh<\/h3>\n <ol>\n <li><strong>\u0110o \u0111\u1ed9 rung ban \u0111\u1ea7u:<\/strong> B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 \u0111o \u0111\u1ed9 rung \u1edf tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u. Bi\u00ean \u0111\u1ed9 v\u00e0 g\u00f3c rung, ch\u1ec9 ra h\u01b0\u1edbng m\u1ea5t c\u00e2n b\u1eb1ng, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n <li><strong>L\u1eafp kh\u1ed1i l\u01b0\u1ee3ng th\u1eed:<\/strong> M\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean r\u00f4to. \u0110i\u1ec1u n\u00e0y gi\u00fap hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch v\u1eadt th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi t\u1ea3i tr\u1ecdng b\u1ed5 sung v\u00e0 cho ph\u00e9p t\u00ednh to\u00e1n c\u00e1c th\u00f4ng s\u1ed1 rung \u0111\u1ed9ng.<\/li>\n <li><strong>\u0110o l\u1ea1i \u0111\u1ed9 rung:<\/strong> Sau khi l\u1eafp kh\u1ed1i l\u01b0\u1ee3ng th\u1eed, c\u00e1c th\u00f4ng s\u1ed1 rung \u0111\u1ed9ng m\u1edbi \u0111\u01b0\u1ee3c \u0111o. B\u1eb1ng c\u00e1ch so s\u00e1nh ch\u00fang v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb ban \u0111\u1ea7u, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 th\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o.<\/li>\n <li><strong>T\u00ednh to\u00e1n kh\u1ed1i l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh:<\/strong> D\u1ef1a tr\u00ean d\u1eef li\u1ec7u \u0111o, x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 g\u00f3c l\u1eafp \u0111\u1eb7t c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh. Kh\u1ed1i l\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean r\u00f4to \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ea5t c\u00e2n b\u1eb1ng.<\/li>\n <li><strong>X\u00e1c minh cu\u1ed1i c\u00f9ng:<\/strong> Sau khi l\u1eafp tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh, \u0111\u1ed9 rung s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3. N\u1ebfu \u0111\u1ed9 rung c\u00f2n l\u1ea1i v\u1eabn v\u01b0\u1ee3t qu\u00e1 m\u1ee9c cho ph\u00e9p, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i quy tr\u00ecnh.<\/li>\n <\/ol>\n\n <div class=\"vma-note\">\n <p><span class=\"vma-kbd\">L\u01b0u \u00fd:<\/span> C\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u00f4 h\u00ecnh l\u00fd t\u01b0\u1edfng \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 \u00e1p d\u1ee5ng th\u1ef1c t\u1ebf c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00e2n b\u1eb1ng. C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a ch\u00fang cho ph\u00e9p c\u00e1c k\u1ef9 s\u01b0 v\u00e0 chuy\u00ean gia ch\u1ea9n \u0111o\u00e1n t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n v\u00e0 hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n khi l\u00e0m vi\u1ec7c v\u1edbi h\u1ec7 th\u1ed1ng r\u00f4to. M\u1eb7c d\u00f9 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong th\u1ef1c t\u1ebf c\u00f2n h\u1ea1n ch\u1ebf, nh\u01b0ng vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh v\u1eabn l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong vi\u1ec7c th\u00fac \u0111\u1ea9y ch\u1ea9n \u0111o\u00e1n rung \u0111\u1ed9ng v\u00e0 c\u00e2n b\u1eb1ng.<\/p>\n <\/div>\n\n <div class=\"vma-note\">\n <p><span class=\"vma-kbd\">M\u00e3 ng\u1eafn gi\u1eef ch\u1ed7:<\/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\/vi\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng & M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">\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\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"B\u1ed9 \u0111\u1ea7y \u0111\u1ee7 m\u00e1y c\u00e2n b\u1eb1ng v\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng c\u1ea7m tay Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng & M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng & M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A<\/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>1,975.00<\/span> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/wp-json\/wp\/v2\/posts\/5199?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cPortable balancer & Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer & Vibration analyzer Balanset-1A\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">\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=\"C\u1eadn c\u1ea3nh c\u1ea3m bi\u1ebfn rung Balanset-1A\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">C\u1ea3m bi\u1ebfn rung<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">\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=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/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=\"B\u1ed9 d\u1ee5ng c\u1ee5 c\u00e2n b\u1eb1ng r\u00f4to Vibromera: h\u1ed9p \u0111\u1ef1ng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u \u0111a k\u00eanh, m\u00e1y ph\u00e2n t\u00edch c\u1ea7m tay, \u0111\u1ebf t\u1eeb, c\u1ea3m bi\u1ebfn rung v\u00e0 d\u00e2y c\u00e1p xo\u1eafn.\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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><!-- \/.row --><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\/vi\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb 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=\"\u0110\u1ebf nam ch\u00e2m.\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb Insize-60-kgf\">\u0110\u1ebf t\u1eeb 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">\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=\"B\u0103ng ph\u1ea3n quang\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">B\u0103ng ph\u1ea3n quang<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d 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=\"N\u1ed9i dung b\u1ed9 s\u1ea3n ph\u1ea9m Balanset-1A bao g\u1ed3m thi\u1ebft b\u1ecb giao di\u1ec7n, c\u1ea3m bi\u1ebfn, m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d OEM\">M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\">C\u00e2n b\u1eb1ng n\u1ed1i ti\u1ebfp v\u00e0 h\u1ec7 s\u1ed1 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef<\/h2>\n <p>C\u00e2n b\u1eb1ng n\u1ed1i ti\u1ebfp c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng n\u0103ng su\u1ea5t \u0111\u00e1ng k\u1ec3, nh\u01b0ng ch\u1ec9 khi \u00e1p d\u1ee5ng cho c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng thu \u0111\u01b0\u1ee3c tr\u00ean r\u00f4to \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i cho c\u00e1c r\u00f4to gi\u1ed1ng h\u1ec7t nhau ti\u1ebfp theo. Tuy nhi\u00ean, ngay khi \u0111\u1ed9 c\u1ee9ng c\u1ee7a gi\u00e1 \u0111\u1ee1, t\u1ed1c \u0111\u1ed9 quay ho\u1eb7c t\u00ecnh tr\u1ea1ng \u1ed5 tr\u1ee5c thay \u0111\u1ed5i, t\u00ednh l\u1eb7p l\u1ea1i s\u1ebd b\u1ecb m\u1ea5t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i ti\u1ebfp kh\u00f4ng c\u00f2n hi\u1ec7u qu\u1ea3.<\/p>\n <\/section>\n\n <section id=\"nonlinear-definition\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">\u0110\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh: Khi l\u00fd thuy\u1ebft kh\u00e1c v\u1edbi th\u1ef1c h\u00e0nh<\/h2>\n <h3 class=\"vma-h3\">V\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh l\u00e0 g\u00ec?<\/h3>\n <p>M\u1ed9t v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e0 bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng kh\u00f4ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 l\u1edbn m\u1ea5t c\u00e2n b\u1eb1ng. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, trong \u0111\u00f3 m\u1ed1i quan h\u1ec7 gi\u1eefa rung \u0111\u1ed9ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng m\u1ea5t c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng, trong c\u00e1c h\u1ec7 th\u1ed1ng phi tuy\u1ebfn t\u00ednh, m\u1ed1i quan h\u1ec7 n\u00e0y c\u00f3 th\u1ec3 theo c\u00e1c qu\u1ef9 \u0111\u1ea1o ph\u1ee9c t\u1ea1p.<\/p>\n <p>Trong th\u1ebf gi\u1edbi th\u1ef1c, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt th\u1ec3 \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng theo tuy\u1ebfn t\u00ednh. C\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 rung \u0111\u1ed9ng kh\u00f4ng t\u1ef7 l\u1ec7 thu\u1eadn. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng ph\u1ea3i l\u00e0 h\u1eb1ng s\u1ed1 v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n <ul>\n <li><strong>M\u1ee9c \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng:<\/strong> Vi\u1ec7c gia t\u0103ng s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u00e1c gi\u00e1 \u0111\u1ee1 r\u00f4to, d\u1eabn \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i phi tuy\u1ebfn t\u00ednh trong dao \u0111\u1ed9ng.<\/li>\n <li><strong>T\u1ed1c \u0111\u1ed9 quay:<\/strong> C\u00e1c hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00edch th\u00edch \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 quay kh\u00e1c nhau, c\u0169ng d\u1eabn \u0111\u1ebfn h\u00e0nh vi phi tuy\u1ebfn t\u00ednh.<\/li>\n <li><strong>S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a kho\u1ea3ng h\u1edf v\u00e0 kho\u1ea3ng tr\u1ed1ng:<\/strong> Kho\u1ea3ng h\u1edf v\u00e0 khe h\u1edf trong \u1ed5 tr\u1ee5c v\u00e0 c\u00e1c k\u1ebft n\u1ed1i kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t v\u1ec1 \u0111\u1ed9 rung trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n <li><strong>Nhi\u1ec7t \u0111\u1ed9:<\/strong> S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u v\u00e0 do \u0111\u00f3, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1eb7c t\u00ednh rung \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3.<\/li>\n <li><strong>T\u1ea3i tr\u1ecdng b\u00ean ngo\u00e0i:<\/strong> T\u1ea3i tr\u1ecdng b\u00ean ngo\u00e0i t\u00e1c \u0111\u1ed9ng l\u00ean r\u00f4to c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh \u0111\u1ed9ng c\u1ee7a n\u00f3 v\u00e0 d\u1eabn \u0111\u1ebfn h\u00e0nh vi phi tuy\u1ebfn t\u00ednh.<\/li>\n <\/ul>\n\n <h3 class=\"vma-h3\">T\u1ea1i sao c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh l\u1ea1i kh\u00f3 kh\u0103n?<\/h3>\n <p>T\u00ednh phi tuy\u1ebfn t\u00ednh \u0111\u01b0a nhi\u1ec1u bi\u1ebfn s\u1ed1 v\u00e0o qu\u00e1 tr\u00ecnh c\u00e2n b\u1eb1ng. C\u00f4ng vi\u1ec7c th\u00e0nh c\u00f4ng v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh \u0111\u00f2i h\u1ecfi nhi\u1ec1u ph\u00e9p \u0111o h\u01a1n v\u00e0 ph\u00e2n t\u00edch ph\u1ee9c t\u1ea1p h\u01a1n. V\u00ed d\u1ee5, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng mang l\u1ea1i k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c cho c\u00e1c h\u1ec7 th\u1ed1ng phi tuy\u1ebfn t\u00ednh. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 v\u1eadt l\u00fd c\u1ee7a qu\u00e1 tr\u00ecnh v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n chuy\u00ean bi\u1ec7t.<\/p>\n <\/section>\n\n <section id=\"nonlinear-signs\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">D\u1ea5u hi\u1ec7u c\u1ee7a phi tuy\u1ebfn t\u00ednh<\/h2>\n <p>M\u1ed9t v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft b\u1eb1ng c\u00e1c d\u1ea5u hi\u1ec7u sau:<\/p>\n <ul>\n <li><strong>Thay \u0111\u1ed5i rung \u0111\u1ed9ng kh\u00f4ng t\u1ef7 l\u1ec7:<\/strong> Khi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng t\u0103ng l\u00ean, \u0111\u1ed9 rung c\u00f3 th\u1ec3 t\u0103ng nhanh h\u01a1n ho\u1eb7c ch\u1eadm h\u01a1n so v\u1edbi d\u1ef1 ki\u1ebfn \u0111\u1ed1i v\u1edbi m\u1ed9t v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh.<\/li>\n <li><strong>\u0110\u1ed9 d\u1ecbch pha trong rung \u0111\u1ed9ng:<\/strong> Pha rung \u0111\u1ed9ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u1ed9t c\u00e1ch kh\u00f3 l\u01b0\u1eddng khi c\u00f3 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 m\u1ea5t c\u00e2n b\u1eb1ng ho\u1eb7c t\u1ed1c \u0111\u1ed9 quay.<\/li>\n <li><strong>S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a s\u00f3ng h\u00e0i v\u00e0 s\u00f3ng h\u1ea1 h\u00e0i:<\/strong> Ph\u1ed5 rung \u0111\u1ed9ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n c\u00e1c s\u00f3ng h\u00e0i b\u1eadc cao (b\u1ed9i s\u1ed1 c\u1ee7a t\u1ea7n s\u1ed1 quay) v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n d\u01b0\u1edbi \u0111i\u1ec1u h\u00f2a (ph\u1ea7n ph\u00e2n s\u1ed1 c\u1ee7a t\u1ea7n s\u1ed1 quay), cho th\u1ea5y c\u00e1c hi\u1ec7u \u1ee9ng phi tuy\u1ebfn.<\/li>\n <li><strong>\u0110\u1ed9 tr\u1ec5:<\/strong> Bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c kh\u00f4ng ch\u1ec9 v\u00e0o gi\u00e1 tr\u1ecb m\u1ea5t c\u00e2n b\u1eb1ng hi\u1ec7n t\u1ea1i m\u00e0 c\u00f2n v\u00e0o l\u1ecbch s\u1eed c\u1ee7a n\u00f3. V\u00ed d\u1ee5, khi m\u1ea5t c\u00e2n b\u1eb1ng t\u0103ng l\u00ean r\u1ed3i gi\u1ea3m tr\u1edf l\u1ea1i gi\u00e1 tr\u1ecb ban \u0111\u1ea7u, bi\u00ean \u0111\u1ed9 rung \u0111\u1ed9ng c\u00f3 th\u1ec3 kh\u00f4ng tr\u1edf l\u1ea1i m\u1ee9c ban \u0111\u1ea7u.<\/li>\n <\/ul>\n <p>T\u00ednh phi tuy\u1ebfn \u0111\u01b0a nhi\u1ec1u bi\u1ebfn s\u1ed1 v\u00e0o qu\u00e1 tr\u00ecnh c\u00e2n b\u1eb1ng. \u0110\u1ec3 x\u1eed l\u00fd th\u00e0nh c\u00f4ng, c\u1ea7n nhi\u1ec1u ph\u00e9p \u0111o h\u01a1n v\u00e0 ph\u00e2n t\u00edch ph\u1ee9c t\u1ea1p h\u01a1n. V\u00ed d\u1ee5, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng cho k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u1edbi h\u1ec7 phi tuy\u1ebfn. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 v\u1eadt l\u00fd c\u1ee7a qu\u00e1 tr\u00ecnh v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ea9n \u0111o\u00e1n chuy\u00ean bi\u1ec7t.<\/p>\n <\/section>\n\n <section id=\"nonlinear-graph\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Bi\u1ec3u di\u1ec5n \u0111\u1ed3 h\u1ecda c\u1ee7a phi tuy\u1ebfn t\u00ednh<\/h2>\n <p>Tr\u00ean bi\u1ec3u \u0111\u1ed3 dao \u0111\u1ed9ng so v\u1edbi m\u1ea5t c\u00e2n b\u1eb1ng, t\u00ednh phi tuy\u1ebfn t\u00ednh th\u1ec3 hi\u1ec7n r\u00f5 \u1edf \u0111\u1ed9 l\u1ec7ch so v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng. Bi\u1ec3u \u0111\u1ed3 c\u00f3 th\u1ec3 c\u00f3 c\u00e1c \u0111\u01b0\u1eddng cong, \u0111\u1ed9 cong, v\u00f2ng tr\u1ec5 v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c cho th\u1ea5y m\u1ed1i quan h\u1ec7 ph\u1ee9c t\u1ea1p gi\u1eefa m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 dao \u0111\u1ed9ng.<\/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=\"\u0110\u1ed3 th\u1ecb 2. \u0110\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh\" width=\"750\" height=\"598\" \/>\n <\/a>\n <p class=\"vma-caption\"><strong>\u0110\u1ed3 th\u1ecb 2. \u0110\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh<\/strong><\/p>\n <p class=\"vma-caption\"><strong>50g; 40\u03bcm (m\u00e0u v\u00e0ng), 100g; 54,7\u03bcm (m\u00e0u xanh).<\/strong><\/p>\n <\/div>\n\n <p>\u0110\u1ed1i t\u01b0\u1ee3ng n\u00e0y c\u00f3 hai \u0111o\u1ea1n th\u1eb3ng. V\u1edbi m\u1ea5t c\u00e2n b\u1eb1ng nh\u1ecf h\u01a1n 50 gram, \u0111\u1ed3 th\u1ecb th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh, duy tr\u00ec m\u1ed1i quan h\u1ec7 t\u1ef7 l\u1ec7 gi\u1eefa m\u1ea5t c\u00e2n b\u1eb1ng t\u00ednh b\u1eb1ng gram v\u00e0 bi\u00ean \u0111\u1ed9 rung t\u00ednh b\u1eb1ng micron. V\u1edbi m\u1ea5t c\u00e2n b\u1eb1ng l\u1edbn h\u01a1n 50 gram, t\u1ed1c \u0111\u1ed9 t\u0103ng bi\u00ean \u0111\u1ed9 rung ch\u1eadm l\u1ea1i.<\/p>\n <\/section>\n\n <section id=\"nonlinear-examples\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">V\u00ed d\u1ee5 v\u1ec1 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh<\/h2>\n <p>V\u00ed d\u1ee5 v\u1ec1 c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh trong b\u1ed1i c\u1ea3nh c\u00e2n b\u1eb1ng bao g\u1ed3m:<\/p>\n <ul>\n <li><strong>Roto c\u00f3 v\u1ebft n\u1ee9t:<\/strong> C\u00e1c v\u1ebft n\u1ee9t tr\u00ean rotor c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i phi tuy\u1ebfn t\u00ednh v\u1ec1 \u0111\u1ed9 c\u1ee9ng v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 t\u1ea1o ra m\u1ed1i quan h\u1ec7 phi tuy\u1ebfn t\u00ednh gi\u1eefa \u0111\u1ed9 rung v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng.<\/li>\n <li><strong>Roto c\u00f3 khe h\u1edf \u1ed5 tr\u1ee5c:<\/strong> Kho\u1ea3ng h\u1edf trong \u1ed5 tr\u1ee5c c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t v\u1ec1 \u0111\u1ed9 rung trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n <li><strong>Roto c\u00f3 ph\u1ea7n t\u1eed \u0111\u00e0n h\u1ed3i phi tuy\u1ebfn t\u00ednh:<\/strong> M\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn \u0111\u00e0n h\u1ed3i, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 gi\u1ea3m ch\u1ea5n b\u1eb1ng cao su, c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh phi tuy\u1ebfn t\u00ednh, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a r\u00f4to.<\/li>\n <\/ul>\n <\/section>\n\n <section id=\"nonlinear-types\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">C\u00e1c lo\u1ea1i phi tuy\u1ebfn t\u00ednh<\/h2>\n <h3 class=\"vma-h3\">1. Phi tuy\u1ebfn t\u00ednh m\u1ec1m-c\u1ee9ng<\/h3>\n <p>Trong c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 v\u1eady, c\u00f3 th\u1ec3 quan s\u00e1t hai \u0111o\u1ea1n: m\u1ec1m v\u00e0 c\u1ee9ng. \u1ede \u0111o\u1ea1n m\u1ec1m, h\u00e0nh vi g\u1ea7n gi\u1ed1ng tuy\u1ebfn t\u00ednh, trong \u0111\u00f3 bi\u00ean \u0111\u1ed9 rung t\u0103ng t\u1ef7 l\u1ec7 v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng m\u1ea5t c\u00e2n b\u1eb1ng. Tuy nhi\u00ean, sau m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh (\u0111i\u1ec3m g\u00e3y), h\u1ec7 th\u1ed1ng chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 c\u1ee9ng, trong \u0111\u00f3 t\u1ed1c \u0111\u1ed9 t\u0103ng bi\u00ean \u0111\u1ed9 ch\u1eadm l\u1ea1i.<\/p>\n <h3 class=\"vma-h3\">2. T\u00ednh phi tuy\u1ebfn t\u00ednh \u0111\u00e0n h\u1ed3i<\/h3>\n <p>S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng c\u1ee7a gi\u00e1 \u0111\u1ee1 ho\u1eb7c c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac trong h\u1ec7 th\u1ed1ng khi\u1ebfn m\u1ed1i quan h\u1ec7 gi\u1eefa rung \u0111\u1ed9ng v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p. V\u00ed d\u1ee5, rung \u0111\u1ed9ng c\u00f3 th\u1ec3 t\u0103ng ho\u1eb7c gi\u1ea3m \u0111\u1ed9t ng\u1ed9t khi v\u01b0\u1ee3t qua c\u00e1c ng\u01b0\u1ee1ng t\u1ea3i c\u1ee5 th\u1ec3.<\/p>\n <h3 class=\"vma-h3\">3. Phi tuy\u1ebfn t\u00ednh do ma s\u00e1t g\u00e2y ra<\/h3>\n <p>Trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 ma s\u00e1t \u0111\u00e1ng k\u1ec3 (v\u00ed d\u1ee5, trong \u1ed5 tr\u1ee5c), bi\u00ean \u0111\u1ed9 rung c\u00f3 th\u1ec3 kh\u00f4ng th\u1ec3 \u0111o\u00e1n tr\u01b0\u1edbc. Ma s\u00e1t c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 rung \u1edf m\u1ed9t ph\u1ea1m vi t\u1ed1c \u0111\u1ed9 v\u00e0 khu\u1ebfch \u0111\u1ea1i n\u00f3 \u1edf ph\u1ea1m vi t\u1ed1c \u0111\u1ed9 kh\u00e1c.<\/p>\n <\/section>\n\n <section id=\"causes\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn c\u1ee7a t\u00ednh phi tuy\u1ebfn t\u00ednh<\/h2>\n <p>C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh l\u00e0 khe h\u1edf \u1ed5 tr\u1ee5c t\u0103ng, m\u00e0i m\u00f2n \u1ed5 tr\u1ee5c, ma s\u00e1t kh\u00f4, c\u00e1c gi\u00e1 \u0111\u1ee1 b\u1ecb l\u1ecfng, c\u00e1c v\u1ebft n\u1ee9t trong k\u1ebft c\u1ea5u v\u00e0 ho\u1ea1t \u0111\u1ed9ng g\u1ea7n t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng. Th\u00f4ng th\u01b0\u1eddng, v\u1eadt th\u1ec3 th\u1ec3 hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh m\u1ec1m-c\u1ee9ng. \u1ede m\u1ee9c \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng nh\u1ecf, h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng g\u1ea7n nh\u01b0 tuy\u1ebfn t\u00ednh, nh\u01b0ng khi \u0111\u1ed9 rung t\u0103ng l\u00ean, c\u00e1c ph\u1ea7n t\u1eed c\u1ee9ng h\u01a1n c\u1ee7a gi\u00e1 \u0111\u1ee1 ho\u1eb7c v\u1ecf s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, vi\u1ec7c c\u00e2n b\u1eb1ng ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c trong m\u1ed9t ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng h\u1eb9p v\u00e0 kh\u00f4ng mang l\u1ea1i k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n <\/section>\n\n <section id=\"instability\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">S\u1ef1 b\u1ea5t \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng<\/h2>\n <p>M\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng kh\u00e1c l\u00e0 s\u1ef1 b\u1ea5t \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng. Ngay c\u1ea3 m\u1ed9t v\u1eadt th\u1ec3 c\u00f3 h\u00ecnh d\u1ea1ng tuy\u1ebfn t\u00ednh c\u0169ng c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 thay \u0111\u1ed5i v\u1ec1 bi\u00ean \u0111\u1ed9 v\u00e0 pha theo th\u1eddi gian. \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u00e1c hi\u1ec7u \u1ee9ng nhi\u1ec7t, s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t b\u00f4i tr\u01a1n, s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t v\u00e0 ma s\u00e1t kh\u00f4ng \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u0111i\u1ec3m \u0111\u1ee1. K\u1ebft qu\u1ea3 l\u00e0, c\u00e1c ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u1ec9 c\u00e1ch nhau v\u00e0i ph\u00fat c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c vect\u01a1 rung \u0111\u1ed9ng kh\u00e1c nhau. Trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y, vi\u1ec7c so s\u00e1nh c\u00e1c ph\u00e9p \u0111o m\u1ed9t c\u00e1ch c\u00f3 \u00fd ngh\u0129a tr\u1edf n\u00ean b\u1ea5t kh\u1ea3 thi v\u00e0 ph\u00e9p t\u00ednh c\u00e2n b\u1eb1ng m\u1ea5t \u0111i \u0111\u1ed9 tin c\u1eady.<\/p>\n <\/section>\n\n <section id=\"resonance\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">C\u00e2n b\u1eb1ng g\u1ea7n c\u1ed9ng h\u01b0\u1edfng<\/h2>\n <p>Vi\u1ec7c c\u00e2n b\u1eb1ng g\u1ea7n t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng \u0111\u1eb7c bi\u1ec7t kh\u00f3 kh\u0103n. Khi t\u1ea7n s\u1ed1 quay tr\u00f9ng v\u1edbi, ho\u1eb7c g\u1ea7n v\u1edbi, t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a h\u1ec7 th\u1ed1ng, ngay c\u1ea3 m\u1ed9t s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng nh\u1ecf c\u0169ng g\u00e2y ra s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t v\u1ec1 \u0111\u1ed9 rung. Pha dao \u0111\u1ed9ng tr\u1edf n\u00ean c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m v\u1edbi nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 t\u1ed1c \u0111\u1ed9. V\u1eadt th\u1ec3 th\u1ef1c s\u1ef1 \u0111i v\u00e0o ch\u1ebf \u0111\u1ed9 phi tuy\u1ebfn t\u00ednh, v\u00e0 vi\u1ec7c c\u00e2n b\u1eb1ng trong v\u00f9ng n\u00e0y m\u1ea5t \u0111i \u00fd ngh\u0129a v\u1eadt l\u00fd. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c c\u1ea5u tr\u00fac c\u01a1 kh\u00ed ph\u1ea3i \u0111\u01b0\u1ee3c thay \u0111\u1ed5i tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 xem x\u00e9t vi\u1ec7c c\u00e2n b\u1eb1ng.<\/p>\n <\/section>\n\n <section id=\"high-after\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Rung \u0111\u1ed9ng m\u1ea1nh sau khi c\u00e2n b\u1eb1ng "th\u00e0nh c\u00f4ng".<\/h2>\n <p>Tr\u00ean th\u1ef1c t\u1ebf, th\u01b0\u1eddng g\u1eb7p tr\u01b0\u1eddng h\u1ee3p sau khi th\u1ef1c hi\u1ec7n quy tr\u00ecnh c\u00e2n b\u1eb1ng th\u00e0nh c\u00f4ng v\u1ec1 m\u1eb7t h\u00ecnh th\u1ee9c, m\u1ee9c \u0111\u1ed9 rung \u0111\u1ed9ng t\u1ed5ng th\u1ec3 v\u1eabn cao. \u0110i\u1ec1u n\u00e0y kh\u00f4ng cho th\u1ea5y l\u1ed7i \u1edf thi\u1ebft b\u1ecb ho\u1eb7c ng\u01b0\u1eddi v\u1eadn h\u00e0nh. C\u00e2n b\u1eb1ng ch\u1ec9 lo\u1ea1i b\u1ecf s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng. N\u1ebfu rung \u0111\u1ed9ng do c\u00e1c khuy\u1ebft t\u1eadt c\u1ee7a n\u1ec1n m\u00f3ng, c\u00e1c \u1ed1c v\u00edt b\u1ecb l\u1ecfng, s\u1ef1 l\u1ec7ch tr\u1ee5c ho\u1eb7c c\u1ed9ng h\u01b0\u1edfng g\u00e2y ra, th\u00ec vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c qu\u1ea3 c\u00e2n hi\u1ec7u ch\u1ec9nh s\u1ebd kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, vi\u1ec7c ph\u00e2n t\u00edch s\u1ef1 ph\u00e2n b\u1ed1 rung \u0111\u1ed9ng trong kh\u00f4ng gian tr\u00ean m\u00e1y m\u00f3c v\u00e0 n\u1ec1n m\u00f3ng c\u1ee7a n\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n th\u1ef1c s\u1ef1.<\/p>\n <\/section>\n\n <section id=\"nonlinear-methods\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">C\u00e2n b\u1eb1ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh: M\u1ed9t nhi\u1ec7m v\u1ee5 ph\u1ee9c t\u1ea1p v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p phi truy\u1ec1n th\u1ed1ng<\/h2>\n <p>C\u00e2n b\u1eb1ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn l\u00e0 nhi\u1ec7m v\u1ee5 kh\u00f3 \u0111\u00f2i h\u1ecfi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn chuy\u00ean bi\u1ec7t. Ph\u01b0\u01a1ng ph\u00e1p kh\u1ed1i l\u01b0\u1ee3ng th\u1eed ti\u00eau chu\u1ea9n, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh, c\u00f3 th\u1ec3 cho k\u1ebft qu\u1ea3 sai ho\u1eb7c ho\u00e0n to\u00e0n kh\u00f4ng \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n\n <h3 class=\"vma-h3\">Ph\u01b0\u01a1ng ph\u00e1p c\u00e2n b\u1eb1ng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh<\/h3>\n <ul>\n <li><strong>C\u00e2n b\u1eb1ng t\u1eebng b\u01b0\u1edbc:<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c gi\u1ea3m d\u1ea7n s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng b\u1eb1ng c\u00e1ch l\u1eafp \u0111\u1eb7t c\u00e1c qu\u1ea3 c\u00e2n hi\u1ec7u ch\u1ec9nh \u1edf m\u1ed7i giai \u0111o\u1ea1n. Sau m\u1ed7i giai \u0111o\u1ea1n, c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 rung \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 m\u1ed9t qu\u1ea3 c\u00e2n hi\u1ec7u ch\u1ec9nh m\u1edbi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a v\u1eadt th\u1ec3. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y t\u00ednh \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng trong qu\u00e1 tr\u00ecnh c\u00e2n b\u1eb1ng.<\/li>\n <li><strong>C\u00e2n b\u1eb1ng \u1edf nhi\u1ec1u t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau:<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1ea3i quy\u1ebft c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 quay kh\u00e1c nhau. C\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec1u t\u1ed1c \u0111\u1ed9 g\u1ea7n c\u1ed9ng h\u01b0\u1edfng, cho ph\u00e9p gi\u1ea3m rung \u0111\u1ed9ng \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n <li><strong>S\u1eed d\u1ee5ng m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh ph\u1ee9c t\u1ea1p, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc m\u00f4 t\u1ea3 \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a r\u00f4to trong khi t\u00ednh \u0111\u1ebfn c\u00e1c hi\u1ec7u \u1ee9ng phi tuy\u1ebfn t\u00ednh. C\u00e1c m\u00f4 h\u00ecnh n\u00e0y gi\u00fap d\u1ef1 \u0111o\u00e1n h\u00e0nh vi c\u1ee7a v\u1eadt th\u1ec3 trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u.<\/li>\n <\/ul>\n\n <p>Kinh nghi\u1ec7m v\u00e0 tr\u1ef1c gi\u00e1c c\u1ee7a chuy\u00ean gia \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c c\u00e2n b\u1eb1ng c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh. Ng\u01b0\u1eddi c\u00e2n b\u1eb1ng gi\u00e0u kinh nghi\u1ec7m c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft c\u00e1c d\u1ea5u hi\u1ec7u phi tuy\u1ebfn t\u00ednh, l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh n\u00f3 cho ph\u00f9 h\u1ee3p v\u1edbi t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3. Ph\u00e2n t\u00edch ph\u1ed5 dao \u0111\u1ed9ng, quan s\u00e1t s\u1ef1 thay \u0111\u1ed5i dao \u0111\u1ed9ng khi c\u00e1c th\u00f4ng s\u1ed1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3 thay \u0111\u1ed5i v\u00e0 xem x\u00e9t c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf c\u1ee7a r\u00f4to \u0111\u1ec1u gi\u00fap \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 mong mu\u1ed1n.<\/p>\n <\/section>\n\n <section id=\"nonlinear-howto-linear-tool\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">C\u00e1ch c\u00e2n b\u1eb1ng c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh<\/h2>\n <p>\u0110\u00e2y l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi hay. Ph\u01b0\u01a1ng ph\u00e1p c\u00e1 nh\u00e2n c\u1ee7a t\u00f4i \u0111\u1ec3 c\u00e2n b\u1eb1ng c\u00e1c v\u1eadt th\u1ec3 nh\u01b0 v\u1eady b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c s\u1eeda ch\u1eefa c\u01a1 ch\u1ebf: thay \u1ed5 tr\u1ee5c, h\u00e0n v\u1ebft n\u1ee9t, si\u1ebft ch\u1eb7t bu l\u00f4ng, ki\u1ec3m tra neo ho\u1eb7c b\u1ed9 c\u00e1ch ly rung v\u00e0 x\u00e1c minh r\u1eb1ng r\u00f4to kh\u00f4ng c\u1ecd x\u00e1t v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac c\u1ed1 \u0111\u1ecbnh.<\/p>\n <p>Ti\u1ebfp theo, t\u00f4i x\u00e1c \u0111\u1ecbnh c\u00e1c t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng, v\u00ec kh\u00f4ng th\u1ec3 c\u00e2n b\u1eb1ng r\u00f4to \u1edf t\u1ed1c \u0111\u1ed9 g\u1ea7n c\u1ed9ng h\u01b0\u1edfng. \u0110\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y, t\u00f4i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p va \u0111\u1eadp \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ed9ng h\u01b0\u1edfng ho\u1eb7c bi\u1ec3u \u0111\u1ed3 gi\u1ea3m t\u1ed1c c\u1ee7a r\u00f4to.<\/p>\n <p>Ti\u1ebfp theo, t\u00f4i x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a c\u1ea3m bi\u1ebfn tr\u00ean c\u01a1 c\u1ea5u: th\u1eb3ng \u0111\u1ee9ng, n\u1eb1m ngang ho\u1eb7c \u1edf m\u1ed9t g\u00f3c n\u00e0o \u0111\u00f3.<\/p>\n <p>Sau khi ch\u1ea1y th\u1eed, thi\u1ebft b\u1ecb s\u1ebd ch\u1ec9 ra g\u00f3c v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh. T\u00f4i gi\u1ea3m m\u1ed9t n\u1eeda kh\u1ed1i l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh nh\u01b0ng s\u1eed d\u1ee5ng c\u00e1c g\u00f3c m\u00e0 thi\u1ebft b\u1ecb g\u1ee3i \u00fd \u0111\u1ec3 \u0111\u1eb7t tr\u00ean r\u00f4to. N\u1ebfu \u0111\u1ed9 rung c\u00f2n l\u1ea1i sau khi hi\u1ec7u ch\u1ec9nh v\u1eabn v\u01b0\u1ee3t qu\u00e1 m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, t\u00f4i s\u1ebd ch\u1ea1y r\u00f4to th\u00eam m\u1ed9t l\u1ea7n n\u1eefa. T\u1ea5t nhi\u00ean, vi\u1ec7c n\u00e0y m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n, nh\u01b0ng \u0111\u00f4i khi k\u1ebft qu\u1ea3 l\u1ea1i r\u1ea5t \u0111\u00e1ng kh\u00edch l\u1ec7.<\/p>\n <\/section>\n\n <section id=\"art-science\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Ngh\u1ec7 thu\u1eadt v\u00e0 Khoa h\u1ecdc C\u00e2n b\u1eb1ng Thi\u1ebft b\u1ecb Quay<\/h2>\n <p>C\u00e2n b\u1eb1ng thi\u1ebft b\u1ecb quay l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p k\u1ebft h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 khoa h\u1ecdc v\u00e0 ngh\u1ec7 thu\u1eadt. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, c\u00e2n b\u1eb1ng li\u00ean quan \u0111\u1ebfn c\u00e1c ph\u00e9p t\u00ednh t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n. Tuy nhi\u00ean, l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u s\u00e2u s\u1eafc v\u1ec1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a r\u00f4to, kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch t\u00edn hi\u1ec7u rung \u0111\u1ed9ng v\u00e0 k\u1ef9 n\u0103ng l\u1ef1a ch\u1ecdn c\u00e1c chi\u1ebfn l\u01b0\u1ee3c c\u00e2n b\u1eb1ng hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n <p>Kinh nghi\u1ec7m, tr\u1ef1c gi\u00e1c v\u00e0 c\u1ea3i thi\u1ec7n k\u1ef9 n\u0103ng li\u00ean t\u1ee5c l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 gi\u00fap ng\u01b0\u1eddi c\u00e2n b\u1eb1ng tr\u1edf th\u00e0nh b\u1eadc th\u1ea7y th\u1ef1c s\u1ef1 trong ngh\u1ec1 c\u1ee7a h\u1ecd. X\u00e9t cho c\u00f9ng, ch\u1ea5t l\u01b0\u1ee3ng c\u00e2n b\u1eb1ng kh\u00f4ng ch\u1ec9 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ho\u1ea1t \u0111\u1ed9ng thi\u1ebft b\u1ecb m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o an to\u00e0n cho con ng\u01b0\u1eddi.<\/p>\n <p> <\/p>\n <\/section>\n\n <section id=\"measurement\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">\u0110\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a ph\u00e9p \u0111o<\/h2>\n <p>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111o l\u01b0\u1eddng c\u0169ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn rung kh\u00f4ng ch\u00ednh x\u00e1c, thay \u0111\u1ed5i \u0111i\u1ec3m \u0111o ho\u1eb7c \u0111\u1ecbnh h\u01b0\u1edbng c\u1ea3m bi\u1ebfn kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u1ea3 bi\u00ean \u0111\u1ed9 v\u00e0 pha. \u0110\u1ed1i v\u1edbi vi\u1ec7c c\u00e2n b\u1eb1ng, ch\u1ec9 \u0111o \u0111\u1ed9 rung th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7; \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a ph\u00e9p \u0111o l\u00e0 r\u1ea5t quan tr\u1ecdng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao, trong th\u1ef1c t\u1ebf, v\u1ecb tr\u00ed v\u00e0 h\u01b0\u1edbng l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd.<\/p>\n <\/section>\n\n <section id=\"approach\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c ti\u1ec5n cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh<\/h2>\n <p>Vi\u1ec7c c\u00e2n b\u1eb1ng m\u1ed9t v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh lu\u00f4n b\u1eaft \u0111\u1ea7u kh\u00f4ng ph\u1ea3i b\u1eb1ng vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1ed9t qu\u1ea3 c\u00e2n th\u1eed, m\u00e0 b\u1eb1ng vi\u1ec7c \u0111\u00e1nh gi\u00e1 h\u00e0nh vi rung \u0111\u1ed9ng. N\u1ebfu bi\u00ean \u0111\u1ed9 v\u00e0 pha thay \u0111\u1ed5i r\u00f5 r\u1ec7t theo th\u1eddi gian, thay \u0111\u1ed5i t\u1eeb tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c, ho\u1eb7c ph\u1ea3n \u1ee9ng m\u1ea1nh v\u1edbi nh\u1eefng bi\u1ebfn \u0111\u1ed5i nh\u1ecf v\u1ec1 t\u1ed1c \u0111\u1ed9, th\u00ec nhi\u1ec7m v\u1ee5 \u0111\u1ea7u ti\u00ean l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh nh\u1ea5t c\u00f3 th\u1ec3. N\u1ebfu kh\u00f4ng, m\u1ecdi ph\u00e9p t\u00ednh s\u1ebd mang t\u00ednh ng\u1eabu nhi\u00ean.<\/p>\n <p>B\u01b0\u1edbc th\u1ef1c h\u00e0nh \u0111\u1ea7u ti\u00ean l\u00e0 ch\u1ecdn t\u1ed1c \u0111\u1ed9 ph\u00f9 h\u1ee3p. C\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng, do \u0111\u00f3 vi\u1ec7c c\u00e2n b\u1eb1ng ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf t\u1ed1c \u0111\u1ed9 c\u00e0ng xa t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u00e0ng t\u1ed1t. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 di chuy\u1ec3n d\u01b0\u1edbi ho\u1eb7c tr\u00ean ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng th\u00f4ng th\u01b0\u1eddng. Ngay c\u1ea3 khi \u0111\u1ed9 rung \u1edf t\u1ed1c \u0111\u1ed9 n\u00e0y cao h\u01a1n nh\u01b0ng \u1ed5n \u0111\u1ecbnh, th\u00ec v\u1eabn t\u1ed1t h\u01a1n l\u00e0 c\u00e2n b\u1eb1ng trong v\u00f9ng c\u1ed9ng h\u01b0\u1edfng.<\/p>\n <p>Ti\u1ebfp theo, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i gi\u1ea3m thi\u1ec3u t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n g\u00e2y ra s\u1ef1 phi tuy\u1ebfn t\u00ednh b\u1ed5 sung. Tr\u01b0\u1edbc khi c\u00e2n b\u1eb1ng, t\u1ea5t c\u1ea3 c\u00e1c \u1ed1c v\u00edt c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 si\u1ebft ch\u1eb7t, khe h\u1edf \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t, v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ee1 v\u00e0 \u1ed5 tr\u1ee5c \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ed9 l\u1ecfng. C\u00e2n b\u1eb1ng kh\u00f4ng b\u00f9 tr\u1eeb \u0111\u01b0\u1ee3c khe h\u1edf ho\u1eb7c ma s\u00e1t, nh\u01b0ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c n\u1ebfu c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c \u0111\u01b0a v\u1ec1 tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh.<\/p>\n <p>Khi l\u00e0m vi\u1ec7c v\u1edbi v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh, kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng c\u00e1c tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nh\u1ecf theo th\u00f3i quen. Tr\u1ecdng l\u01b0\u1ee3ng th\u1eed qu\u00e1 nh\u1ecf th\u01b0\u1eddng kh\u00f4ng th\u1ec3 \u0111\u01b0a h\u1ec7 th\u1ed1ng v\u00e0o v\u00f9ng dao \u0111\u1ed9ng l\u1eb7p l\u1ea1i, v\u00e0 s\u1ef1 thay \u0111\u1ed5i dao \u0111\u1ed9ng tr\u1edf n\u00ean t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi nhi\u1ec5u kh\u00f4ng \u1ed5n \u0111\u1ecbnh. Tr\u1ecdng l\u01b0\u1ee3ng th\u1eed ph\u1ea3i \u0111\u1ee7 l\u1edbn \u0111\u1ec3 t\u1ea1o ra s\u1ef1 thay \u0111\u1ed5i r\u00f5 r\u00e0ng v\u00e0 c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o \u0111\u01b0\u1ee3c trong vect\u01a1 dao \u0111\u1ed9ng, nh\u01b0ng kh\u00f4ng qu\u00e1 l\u1edbn \u0111\u1ebfn m\u1ee9c \u0111\u1ea9y v\u1eadt th\u1ec3 v\u00e0o m\u1ed9t ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c.<\/p>\n <p>C\u00e1c ph\u00e9p \u0111o c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nhanh ch\u00f3ng v\u00e0 trong \u0111i\u1ec1u ki\u1ec7n gi\u1ed1ng h\u1ec7t nhau. Th\u1eddi gian gi\u1eefa c\u00e1c l\u1ea7n \u0111o c\u00e0ng ng\u1eafn, kh\u1ea3 n\u0103ng c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng kh\u00f4ng thay \u0111\u1ed5i c\u00e0ng cao. N\u00ean th\u1ef1c hi\u1ec7n m\u1ed9t v\u00e0i l\u1ea7n ch\u1ea1y th\u1eed nghi\u1ec7m m\u00e0 kh\u00f4ng thay \u0111\u1ed5i c\u1ea5u h\u00ecnh \u0111\u1ec3 x\u00e1c nh\u1eadn r\u1eb1ng \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/p>\n <p>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 h\u01b0\u1edbng l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn rung l\u00e0 r\u1ea5t quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh, ngay c\u1ea3 m\u1ed9t s\u1ef1 d\u1ecbch chuy\u1ec3n nh\u1ecf c\u1ee7a c\u1ea3m bi\u1ebfn c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 v\u1ec1 pha v\u00e0 bi\u00ean \u0111\u1ed9, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 b\u1ecb hi\u1ec3u nh\u1ea7m l\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m.<\/p>\n <p>Trong c\u00e1c ph\u00e9p t\u00ednh, c\u1ea7n ch\u00fa \u00fd kh\u00f4ng ph\u1ea3i \u0111\u1ebfn s\u1ef1 tr\u00f9ng kh\u1edbp ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t s\u1ed1 h\u1ecdc, m\u00e0 l\u00e0 \u0111\u1ebfn xu h\u01b0\u1edbng. N\u1ebfu \u0111\u1ed9 rung gi\u1ea3m d\u1ea7n m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n sau m\u1ed7i l\u1ea7n hi\u1ec7u ch\u1ec9nh, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y qu\u00e1 tr\u00ecnh c\u00e2n b\u1eb1ng \u0111ang \u0111i \u0111\u00fang h\u01b0\u1edbng, ngay c\u1ea3 khi c\u00e1c h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng h\u1ed9i t\u1ee5 v\u1ec1 m\u1eb7t h\u00ecnh th\u1ee9c.<\/p>\n <p>Kh\u00f4ng n\u00ean l\u01b0u tr\u1eef v\u00e0 t\u00e1i s\u1eed d\u1ee5ng c\u00e1c h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh. Ngay c\u1ea3 khi m\u1ed9t chu k\u1ef3 c\u00e2n b\u1eb1ng th\u00e0nh c\u00f4ng, trong l\u1ea7n kh\u1edfi \u0111\u1ed9ng ti\u1ebfp theo, \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 kh\u00e1c v\u00e0 c\u00e1c h\u1ec7 s\u1ed1 tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd kh\u00f4ng c\u00f2n hi\u1ec7u l\u1ef1c.<\/p>\n <p>C\u1ea7n nh\u1edb r\u1eb1ng vi\u1ec7c c\u00e2n b\u1eb1ng m\u1ed9t v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh th\u01b0\u1eddng l\u00e0 m\u1ed9t s\u1ef1 th\u1ecfa hi\u1ec7p. M\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 rung th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3, m\u00e0 l\u00e0 \u0111\u01b0a m\u00e1y m\u00f3c v\u00e0o tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u1edbi m\u1ee9c \u0111\u1ed9 rung ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, \u0111\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p t\u1ea1m th\u1eddi cho \u0111\u1ebfn khi c\u00e1c \u1ed5 tr\u1ee5c \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa, c\u00e1c gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c ho\u1eb7c c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i.<\/p>\n <p>Nguy\u00ean t\u1eafc th\u1ef1c h\u00e0nh ch\u00ednh l\u00e0 tr\u01b0\u1edbc ti\u00ean ph\u1ea3i \u1ed5n \u0111\u1ecbnh v\u1eadt th\u1ec3, sau \u0111\u00f3 m\u1edbi c\u00e2n b\u1eb1ng n\u00f3, v\u00e0 ch\u1ec9 sau \u0111\u00f3 m\u1edbi \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3. N\u1ebfu kh\u00f4ng th\u1ec3 \u1ed5n \u0111\u1ecbnh v\u1eadt th\u1ec3, vi\u1ec7c c\u00e2n b\u1eb1ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 bi\u1ec7n ph\u00e1p h\u1ed7 tr\u1ee3 ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p cu\u1ed1i c\u00f9ng.<\/p>\n <\/section>\n\n <section id=\"reduced-correction\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">K\u1ef9 thu\u1eadt gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh<\/h2>\n <p>Tr\u00ean th\u1ef1c t\u1ebf, khi c\u00e2n b\u1eb1ng c\u00e1c v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh, m\u1ed9t k\u1ef9 thu\u1eadt quan tr\u1ecdng kh\u00e1c th\u01b0\u1eddng t\u1ecf ra hi\u1ec7u qu\u1ea3. N\u1ebfu thi\u1ebft b\u1ecb t\u00ednh to\u00e1n tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh b\u1eb1ng thu\u1eadt to\u00e1n ti\u00eau chu\u1ea9n, vi\u1ec7c l\u1eafp \u0111\u1eb7t to\u00e0n b\u1ed9 tr\u1ecdng l\u01b0\u1ee3ng \u0111\u00e3 t\u00ednh to\u00e1n th\u01b0\u1eddng l\u00e0m cho t\u00ecnh h\u00ecnh tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n: \u0111\u1ed9 rung c\u00f3 th\u1ec3 t\u0103ng l\u00ean, pha c\u00f3 th\u1ec3 b\u1ecb l\u1ec7ch v\u00e0 v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c.<\/p>\n <p>Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1ed9t tr\u1ecdng s\u1ed1 hi\u1ec7u ch\u1ec9nh gi\u1ea3m s\u1ebd mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1t \u2014 nh\u1ecf h\u01a1n hai ho\u1eb7c th\u1eadm ch\u00ed ba l\u1ea7n so v\u1edbi gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1edfi thi\u1ebft b\u1ecb. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh vi\u1ec7c "\u0111\u1ea9y" h\u1ec7 th\u1ed1ng ra kh\u1ecfi v\u00f9ng tuy\u1ebfn t\u00ednh c\u00f3 \u0111i\u1ec1u ki\u1ec7n v\u00e0o m\u1ed9t ch\u1ebf \u0111\u1ed9 phi tuy\u1ebfn t\u00ednh kh\u00e1c. Tr\u00ean th\u1ef1c t\u1ebf, vi\u1ec7c hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng m\u1ed9t c\u00e1ch nh\u1eb9 nh\u00e0ng, v\u1edbi m\u1ed9t b\u01b0\u1edbc nh\u1ecf, m\u00e0 kh\u00f4ng g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t trong c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ed9ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n <p>Sau khi l\u1eafp \u0111\u1eb7t tr\u1ecdng l\u01b0\u1ee3ng gi\u1ea3m, c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t l\u1ea7n ch\u1ea1y th\u1eed nghi\u1ec7m v\u00e0 \u0111\u00e1nh gi\u00e1 xu h\u01b0\u1edbng rung \u0111\u1ed9ng. N\u1ebfu bi\u00ean \u0111\u1ed9 gi\u1ea3m d\u1ea7n v\u00e0 pha v\u1eabn t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh hi\u1ec7u ch\u1ec9nh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng t\u1ef1, d\u1ea7n d\u1ea7n ti\u1ebfn \u0111\u1ebfn m\u1ee9c rung \u0111\u1ed9ng t\u1ed1i thi\u1ec3u c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c. Ph\u01b0\u01a1ng ph\u00e1p t\u1eebng b\u01b0\u1edbc n\u00e0y th\u01b0\u1eddng \u0111\u00e1ng tin c\u1eady h\u01a1n so v\u1edbi vi\u1ec7c l\u1eafp \u0111\u1eb7t to\u00e0n b\u1ed9 tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh \u0111\u00e3 t\u00ednh to\u00e1n c\u00f9ng m\u1ed9t l\u00fac.<\/p>\n <p>K\u1ef9 thu\u1eadt n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt th\u1ec3 c\u00f3 khe h\u1edf, ma s\u00e1t kh\u00f4 v\u00e0 c\u00e1c \u0111i\u1ec3m t\u1ef1a m\u1ec1m-c\u1ee9ng, n\u01a1i m\u00e0 vi\u1ec7c hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n \u0111\u1ea7y \u0111\u1ee7 ngay l\u1eadp t\u1ee9c \u0111\u1ea9y h\u1ec7 th\u1ed1ng ra kh\u1ecfi v\u00f9ng tuy\u1ebfn t\u00ednh c\u00f3 \u0111i\u1ec1u ki\u1ec7n. Vi\u1ec7c s\u1eed d\u1ee5ng kh\u1ed1i l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh gi\u1ea3m cho ph\u00e9p v\u1eadt th\u1ec3 duy tr\u00ec trong ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh nh\u1ea5t v\u00e0 gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 th\u1ef1c t\u1ebf ngay c\u1ea3 khi vi\u1ec7c c\u00e2n b\u1eb1ng v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f4ng th\u1ec3.<\/p>\n <p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n hi\u1ec3u l\u00e0 \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 "sai s\u1ed1 thi\u1ebft b\u1ecb", m\u00e0 l\u00e0 h\u1ec7 qu\u1ea3 c\u1ee7a c\u00e1c \u0111\u1ecbnh lu\u1eadt v\u1eadt l\u00fd c\u1ee7a h\u1ec7 th\u1ed1ng phi tuy\u1ebfn. Thi\u1ebft b\u1ecb t\u00ednh to\u00e1n ch\u00ednh x\u00e1c \u0111\u1ed1i v\u1edbi m\u00f4 h\u00ecnh tuy\u1ebfn t\u00ednh, trong khi k\u1ef9 s\u01b0 \u0111i\u1ec1u ch\u1ec9nh k\u1ebft qu\u1ea3 tr\u00ean th\u1ef1c t\u1ebf cho ph\u00f9 h\u1ee3p v\u1edbi ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed.<\/p>\n <\/section>\n\n <section id=\"conclusion\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">Nguy\u00ean t\u1eafc cu\u1ed1i c\u00f9ng<\/h2>\n <p>T\u00f3m l\u1ea1i, vi\u1ec7c c\u00e2n b\u1eb1ng th\u00e0nh c\u00f4ng kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 t\u00ednh to\u00e1n tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 g\u00f3c \u0111\u1ed9. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 h\u00e0nh vi \u0111\u1ed9ng h\u1ecdc c\u1ee7a v\u1eadt th\u1ec3, t\u00ednh tuy\u1ebfn t\u00ednh, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng v\u00e0 kho\u1ea3ng c\u00e1ch \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n c\u1ed9ng h\u01b0\u1edfng. B\u1ed9 Balanset-1A cung c\u1ea5p t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111o l\u01b0\u1eddng, ph\u00e2n t\u00edch v\u00e0 t\u00ednh to\u00e1n, nh\u01b0ng k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng lu\u00f4n \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi t\u00ecnh tr\u1ea1ng c\u01a1 h\u1ecdc c\u1ee7a ch\u00ednh h\u1ec7 th\u1ed1ng. \u0110\u00e2y l\u00e0 \u0111i\u1ec1u ph\u00e2n bi\u1ec7t ph\u01b0\u01a1ng ph\u00e1p l\u00fd thuy\u1ebft v\u1edbi th\u1ef1c ti\u1ec5n k\u1ef9 thu\u1eadt trong ch\u1ea9n \u0111o\u00e1n rung \u0111\u1ed9ng v\u00e0 c\u00e2n b\u1eb1ng r\u00f4to.<\/p>\n <\/section>\n\n <section id=\"faq\" class=\"vma-anchor\">\n <h2 class=\"vma-h2\">C\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi<\/h2>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao bi\u00ean \u0111\u1ed9 v\u00e0 pha dao \u0111\u1ed9ng l\u1ea1i thay \u0111\u1ed5i m\u1ed9t c\u00e1ch kh\u00f3 d\u1ef1 \u0111o\u00e1n sau khi l\u1eafp \u0111\u1eb7t tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m, v\u00e0 t\u1ea1i sao ph\u00e9p t\u00ednh tr\u1ecdng l\u01b0\u1ee3ng hi\u1ec7u ch\u1ec9nh l\u1ea1i cho k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c?<\/div>\n <p class=\"vma-a\">\u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh. Trong m\u1ed9t v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh, bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi m\u1ee9c \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng, v\u00e0 pha thay \u0111\u1ed5i theo c\u00f9ng m\u1ed9t g\u00f3c v\u1edbi v\u1ecb tr\u00ed g\u00f3c c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng. Khi c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y b\u1ecb vi ph\u1ea1m, h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng c\u00f2n l\u00e0 h\u1eb1ng s\u1ed1 v\u00e0 thu\u1eadt to\u00e1n c\u00e2n b\u1eb1ng ti\u00eau chu\u1ea9n b\u1eaft \u0111\u1ea7u t\u1ea1o ra l\u1ed7i. C\u00e1c nguy\u00ean nh\u00e2n \u0111i\u1ec3n h\u00ecnh l\u00e0 khe h\u1edf \u1ed5 tr\u1ee5c, gi\u00e1 \u0111\u1ee1 b\u1ecb l\u1ecfng, ma s\u00e1t v\u00e0 ho\u1ea1t \u0111\u1ed9ng g\u1ea7n t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1eeb quan \u0111i\u1ec3m c\u00e2n b\u1eb1ng, v\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh l\u00e0 g\u00ec?<\/div>\n <p class=\"vma-a\">V\u1eadt th\u1ec3 tuy\u1ebfn t\u00ednh l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng r\u00f4to m\u00e0 \u1edf c\u00f9ng t\u1ed1c \u0111\u1ed9 quay, bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 l\u1edbn c\u1ee7a s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng, v\u00e0 pha dao \u0111\u1ed9ng tu\u00e2n theo ch\u1eb7t ch\u1ebd v\u1ecb tr\u00ed g\u00f3c c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng m\u1ea5t c\u00e2n b\u1eb1ng. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt th\u1ec3 nh\u01b0 v\u1eady, h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u00e0 h\u1eb1ng s\u1ed1 v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt th\u1eed.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Trong vi\u1ec7c c\u00e2n b\u1eb1ng, v\u1eadt th\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c coi l\u00e0 phi tuy\u1ebfn t\u00ednh?<\/div>\n <p class=\"vma-a\">V\u1eadt th\u1ec3 phi tuy\u1ebfn l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng trong \u0111\u00f3 t\u00ednh t\u1ef7 l\u1ec7 gi\u1eefa dao \u0111\u1ed9ng v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0\/ho\u1eb7c t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ed1i quan h\u1ec7 pha b\u1ecb vi ph\u1ea1m. Bi\u00ean \u0111\u1ed9 v\u00e0 pha dao \u0111\u1ed9ng b\u1eaft \u0111\u1ea7u ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt th\u1eed. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn khe h\u1edf \u1ed5 tr\u1ee5c, m\u00e0i m\u00f2n, ma s\u00e1t kh\u00f4, c\u00e1c gi\u00e1 \u0111\u1ee1 m\u1ec1m-c\u1ee9ng ho\u1eb7c s\u1ef1 tham gia c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 c\u1ea5u tr\u00fac c\u1ee9ng h\u01a1n.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Li\u1ec7u c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng m\u1ed9t v\u1eadt th\u1ec3 phi tuy\u1ebfn t\u00ednh b\u1eb1ng m\u1ed9t d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c h\u1ec7 th\u1ed1ng tuy\u1ebfn t\u00ednh hay kh\u00f4ng?<\/div>\n <p class=\"vma-a\">\u0110\u00fang v\u1eady, nh\u01b0ng k\u1ebft qu\u1ea3 kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng. Vi\u1ec7c c\u00e2n b\u1eb1ng ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c trong m\u1ed9t ph\u1ea1m vi gi\u1edbi h\u1ea1n m\u00e0 t\u1ea1i \u0111\u00f3 \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng tuy\u1ebfn t\u00ednh c\u00f3 \u0111i\u1ec1u ki\u1ec7n. B\u00ean ngo\u00e0i ph\u1ea1m vi n\u00e0y, c\u00e1c h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng thay \u0111\u1ed5i v\u00e0 t\u00ednh l\u1eb7p l\u1ea1i c\u1ee7a k\u1ebft qu\u1ea3 b\u1ecb m\u1ea5t.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">H\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u00e0 g\u00ec, n\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n?<\/div>\n <p class=\"vma-a\">H\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 nh\u1ea1y c\u1ee7a dao \u0111\u1ed9ng \u0111\u1ed1i v\u1edbi s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng. N\u00f3 cho th\u1ea5y vect\u01a1 dao \u0111\u1ed9ng s\u1ebd thay \u0111\u1ed5i bao nhi\u00eau khi m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng nh\u1ea5t \u0111\u1ecbnh \u1edf m\u1ed9t t\u1ed1c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u1ea1i thay \u0111\u1ed5i t\u1eeb ph\u00e9p \u0111o n\u00e0y sang ph\u00e9p \u0111o kh\u00e1c?<\/div>\n <p class=\"vma-a\">H\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng kh\u00f4ng \u1ed5n \u0111\u1ecbnh n\u1ebfu v\u1eadt th\u1ec3 kh\u00f4ng tuy\u1ebfn t\u00ednh, n\u1ebfu dao \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian, ho\u1eb7c n\u1ebfu c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng, n\u00f3ng l\u00ean do nhi\u1ec7t, \u1ed1c v\u00edt b\u1ecb l\u1ecfng, ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n ma s\u00e1t thay \u0111\u1ed5i. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, vi\u1ec7c kh\u1edfi \u0111\u1ed9ng l\u1eb7p l\u1ea1i s\u1ebd t\u1ea1o ra c\u00e1c gi\u00e1 tr\u1ecb bi\u00ean \u0111\u1ed9 v\u00e0 pha kh\u00e1c nhau.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Khi n\u00e0o c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u00e3 l\u01b0u tr\u1eef?<\/div>\n <p class=\"vma-a\">C\u00e1c h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c r\u00f4to gi\u1ed1ng h\u1ec7t nhau ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00f9ng t\u1ed1c \u0111\u1ed9, d\u01b0\u1edbi c\u00f9ng \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ed9 c\u1ee9ng \u0111\u1ee1. \u0110\u1ed1i t\u01b0\u1ee3ng ph\u1ea3i tuy\u1ebfn t\u00ednh v\u00e0 \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng. Ngay c\u1ea3 m\u1ed9t thay \u0111\u1ed5i nh\u1ecf v\u1ec1 \u0111i\u1ec1u ki\u1ec7n c\u0169ng l\u00e0m cho c\u00e1c h\u1ec7 s\u1ed1 c\u0169 tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng tin c\u1eady.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao \u0111\u1ed9 rung l\u1ea1i thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng ngay c\u1ea3 khi kh\u00f4ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 \u0111\u1ed9 m\u1ea5t c\u00e2n b\u1eb1ng?<\/div>\n <p class=\"vma-a\">Trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng, khe h\u1edf \u1ed5 tr\u1ee5c, \u0111\u1ed9 c\u1ee9ng c\u1ee7a gi\u00e1 \u0111\u1ee1, \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t b\u00f4i tr\u01a1n v\u00e0 m\u1ee9c \u0111\u1ed9 ma s\u00e1t thay \u0111\u1ed5i. \u0110i\u1ec1u n\u00e0y l\u00e0m thay \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ed9ng h\u1ecdc c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 l\u00e0m thay \u0111\u1ed5i bi\u00ean \u0111\u1ed9 v\u00e0 pha dao \u0111\u1ed9ng.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c c\u00e2n b\u1eb1ng?<\/div>\n <p class=\"vma-a\">S\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh dao \u0111\u1ed9ng l\u00e0 s\u1ef1 thay \u0111\u1ed5i v\u1ec1 bi\u00ean \u0111\u1ed9 v\u00e0\/ho\u1eb7c pha theo th\u1eddi gian \u1edf t\u1ed1c \u0111\u1ed9 quay kh\u00f4ng \u0111\u1ed5i. Vi\u1ec7c c\u00e2n b\u1eb1ng d\u1ef1a tr\u00ean vi\u1ec7c so s\u00e1nh c\u00e1c vect\u01a1 dao \u0111\u1ed9ng, v\u00ec v\u1eady khi dao \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh, ph\u00e9p so s\u00e1nh s\u1ebd m\u1ea5t \u0111i \u00fd ngh\u0129a v\u00e0 ph\u00e9p t\u00ednh tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng tin c\u1eady.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">C\u00f3 nh\u1eefng lo\u1ea1i m\u1ea5t \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng n\u00e0o?<\/div>\n <p class=\"vma-a\">C\u00f3 nh\u1eefng b\u1ea5t \u1ed5n c\u1ea5u tr\u00fac c\u1ed1 h\u1eefu, b\u1ea5t \u1ed5n "lan truy\u1ec1n" ch\u1eadm, s\u1ef1 bi\u1ebfn \u0111\u1ed5i gi\u1eefa c\u00e1c l\u1ea7n kh\u1edfi \u0111\u1ed9ng, b\u1ea5t \u1ed5n li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng v\u00e0 b\u1ea5t \u1ed5n li\u00ean quan \u0111\u1ebfn c\u1ed9ng h\u01b0\u1edfng khi ho\u1ea1t \u0111\u1ed9ng g\u1ea7n t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao kh\u00f4ng th\u1ec3 c\u00e2n b\u1eb1ng r\u00f4to trong v\u00f9ng c\u1ed9ng h\u01b0\u1edfng?<\/div>\n <p class=\"vma-a\">Trong v\u00f9ng c\u1ed9ng h\u01b0\u1edfng, ngay c\u1ea3 m\u1ed9t s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng nh\u1ecf c\u0169ng g\u00e2y ra s\u1ef1 gia t\u0103ng m\u1ea1nh v\u1ec1 \u0111\u1ed9 rung, v\u00e0 pha tr\u1edf n\u00ean c\u1ef1c k\u1ef3 nh\u1ea1y c\u1ea3m v\u1edbi nh\u1eefng thay \u0111\u1ed5i nh\u1ecf. Trong \u0111i\u1ec1u ki\u1ec7n n\u00e0y, v\u1eadt th\u1ec3 tr\u1edf n\u00ean phi tuy\u1ebfn t\u00ednh v\u00e0 k\u1ebft qu\u1ea3 c\u00e2n b\u1eb1ng m\u1ea5t \u0111i \u00fd ngh\u0129a v\u1eadt l\u00fd.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft t\u1ed1c \u0111\u1ed9 c\u00e2n b\u1eb1ng \u0111ang g\u1ea7n v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ed9ng h\u01b0\u1edfng?<\/div>\n <p class=\"vma-a\">C\u00e1c d\u1ea5u hi\u1ec7u \u0111i\u1ec3n h\u00ecnh l\u00e0 s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t \u0111\u1ed9 rung khi t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i nh\u1ecf, pha kh\u00f4ng \u1ed5n \u0111\u1ecbnh, c\u00e1c \u0111\u1ec9nh r\u1ed9ng trong ph\u1ed5 v\u00e0 \u0111\u1ed9 nh\u1ea1y cao c\u1ee7a \u0111\u1ed9 rung \u0111\u1ed1i v\u1edbi nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 v\u00f2ng quay m\u1ed7i ph\u00fat (RPM). \u0110\u1ed9 rung c\u1ef1c \u0111\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y trong qu\u00e1 tr\u00ecnh t\u0103ng t\u1ed1c ho\u1eb7c gi\u1ea3m t\u1ed1c.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao \u0111\u1ed9 rung \u0111\u1ed9ng cao kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng l\u1edbn?<\/div>\n <p class=\"vma-a\">\u0110\u1ed9 rung m\u1ea1nh c\u00f3 th\u1ec3 do hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng, k\u1ebft c\u1ea5u l\u1ecfng l\u1ebbo, khuy\u1ebft \u0111i\u1ec3m n\u1ec1n m\u00f3ng ho\u1eb7c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u1ed5 tr\u1ee5c g\u00e2y ra. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, vi\u1ec7c c\u00e2n b\u1eb1ng s\u1ebd kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n g\u00e2y rung.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u1ed9 d\u1ecbch chuy\u1ec3n dao \u0111\u1ed9ng, v\u1eadn t\u1ed1c dao \u0111\u1ed9ng v\u00e0 gia t\u1ed1c dao \u0111\u1ed9ng l\u00e0 g\u00ec?<\/div>\n <p class=\"vma-a\">\u0110\u1ed9 d\u1ecbch chuy\u1ec3n rung \u0111\u1ed9ng \u0111\u1eb7c tr\u01b0ng cho bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng, v\u1eadn t\u1ed1c rung \u0111\u1ed9ng \u0111\u1eb7c tr\u01b0ng cho t\u1ed1c \u0111\u1ed9 c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng n\u00e0y, v\u00e0 gia t\u1ed1c rung \u0111\u1ed9ng \u0111\u1eb7c tr\u01b0ng cho gia t\u1ed1c. C\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng n\u00e0y c\u00f3 li\u00ean quan \u0111\u1ebfn nhau, nh\u01b0ng m\u1ed7i \u0111\u1ea1i l\u01b0\u1ee3ng l\u1ea1i ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u1ed9t s\u1ed1 lo\u1ea1i khuy\u1ebft t\u1eadt v\u00e0 d\u1ea3i t\u1ea7n s\u1ed1 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao gi\u1edbi h\u1ea1n rung \u0111\u1ed9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo v\u1eadn t\u1ed1c rung \u0111\u1ed9ng?<\/div>\n <p class=\"vma-a\">T\u1ed1c \u0111\u1ed9 rung ph\u1ea3n \u00e1nh m\u1ee9c n\u0103ng l\u01b0\u1ee3ng c\u1ee7a rung \u0111\u1ed9ng tr\u00ean m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng v\u00e0 r\u1ea5t thu\u1eadn ti\u1ec7n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng t\u1ed5ng th\u1ec3 c\u1ee7a m\u00e1y m\u00f3c theo ti\u00eau chu\u1ea9n ISO.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Li\u1ec7u c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp \u0111\u1ed9 d\u1ecbch chuy\u1ec3n dao \u0111\u1ed9ng th\u00e0nh v\u1eadn t\u1ed1c dao \u0111\u1ed9ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i kh\u00f4ng?<\/div>\n <p class=\"vma-a\">Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i ch\u00ednh x\u00e1c ch\u1ec9 kh\u1ea3 thi \u0111\u1ed1i v\u1edbi dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a \u0111\u01a1n t\u1ea7n. \u0110\u1ed1i v\u1edbi ph\u1ed5 dao \u0111\u1ed9ng ph\u1ee9c t\u1ea1p, c\u00e1c chuy\u1ec3n \u0111\u1ed5i nh\u01b0 v\u1eady ch\u1ec9 cung c\u1ea5p k\u1ebft qu\u1ea3 g\u1ea7n \u0111\u00fang.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao \u0111\u1ed9 rung v\u1eabn c\u00f2n cao sau khi c\u00e2n b\u1eb1ng?<\/div>\n <p class=\"vma-a\">C\u00e1c nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 bao g\u1ed3m c\u1ed9ng h\u01b0\u1edfng, khi\u1ebfm khuy\u1ebft n\u1ec1n m\u00f3ng, \u1ed1c v\u00edt b\u1ecb l\u1ecfng, m\u00e0i m\u00f2n \u1ed5 tr\u1ee5c, sai l\u1ec7ch ho\u1eb7c t\u00ednh phi tuy\u1ebfn t\u00ednh c\u1ee7a v\u1eadt th\u1ec3. C\u00e2n b\u1eb1ng ch\u1ec9 lo\u1ea1i b\u1ecf s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng, ch\u1ee9 kh\u00f4ng lo\u1ea1i b\u1ecf c\u00e1c khi\u1ebfm khuy\u1ebft kh\u00e1c.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">L\u00e0m sao c\u00f3 th\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 kh\u00f4ng n\u1eb1m \u1edf r\u00f4to m\u00e0 \u1edf ph\u1ea7n m\u00f3ng?<\/div>\n <p class=\"vma-a\">N\u1ebfu kh\u00f4ng ph\u00e1t hi\u1ec7n ra c\u00e1c l\u1ed7i c\u01a1 kh\u00ed v\u00e0 \u0111\u1ed9 rung kh\u00f4ng gi\u1ea3m sau khi c\u00e2n b\u1eb1ng, c\u1ea7n ph\u1ea3i ph\u00e2n t\u00edch s\u1ef1 ph\u00e2n b\u1ed1 rung \u0111\u1ed9ng tr\u00ean m\u00e1y v\u00e0 n\u1ec1n m\u00f3ng. C\u00e1c d\u1ea5u hi\u1ec7u \u0111i\u1ec3n h\u00ecnh l\u00e0 \u0111\u1ed9 rung cao c\u1ee7a v\u1ecf v\u00e0 \u0111\u1ebf, v\u00e0 s\u1ef1 l\u1ec7ch pha gi\u1eefa c\u00e1c \u0111i\u1ec3m \u0111o.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn rung \u0111\u00fang c\u00e1ch l\u1ea1i quan tr\u1ecdng?<\/div>\n <p class=\"vma-a\">Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd l\u00e0m bi\u1ebfn d\u1ea1ng bi\u00ean \u0111\u1ed9 v\u00e0 pha, l\u00e0m gi\u1ea3m \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a ph\u00e9p \u0111o v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft lu\u1eadn ch\u1ea9n \u0111o\u00e1n kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 k\u1ebft qu\u1ea3 c\u00e2n b\u1eb1ng sai l\u1ec7ch.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao c\u00e1c \u0111i\u1ec3m \u0111o kh\u00e1c nhau l\u1ea1i cho th\u1ea5y m\u1ee9c \u0111\u1ed9 rung \u0111\u1ed9ng kh\u00e1c nhau?<\/div>\n <p class=\"vma-a\">Dao \u0111\u1ed9ng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u kh\u1eafp c\u1ea5u tr\u00fac. \u0110\u1ed9 c\u1ee9ng, kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 d\u1ea1ng dao \u0111\u1ed9ng kh\u00e1c nhau, do \u0111\u00f3 bi\u00ean \u0111\u1ed9 v\u00e0 pha c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 t\u1eeb \u0111i\u1ec3m n\u00e0y sang \u0111i\u1ec3m kh\u00e1c.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Li\u1ec7u c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng r\u00f4to c\u00f3 \u1ed5 tr\u1ee5c b\u1ecb m\u00f2n kh\u00f4ng?<\/div>\n <p class=\"vma-a\">Th\u00f4ng th\u01b0\u1eddng l\u00e0 kh\u00f4ng. S\u1ef1 m\u00e0i m\u00f2n v\u00e0 khe h\u1edf t\u0103ng l\u00ean l\u00e0m cho v\u1eadt th\u1ec3 tr\u1edf n\u00ean phi tuy\u1ebfn t\u00ednh. Vi\u1ec7c c\u00e2n b\u1eb1ng tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng mang l\u1ea1i k\u1ebft qu\u1ea3 l\u00e2u d\u00e0i. Ngo\u1ea1i l\u1ec7 ch\u1ec9 c\u00f3 th\u1ec3 x\u1ea3y ra v\u1edbi khe h\u1edf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 trong \u0111i\u1ec1u ki\u1ec7n \u1ed5n \u0111\u1ecbnh.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao k\u1ebft qu\u1ea3 c\u00e2n b\u1eb1ng l\u1ea1i kh\u00e1c nhau sau m\u1ed7i l\u1ea7n kh\u1edfi \u0111\u1ed9ng?<\/div>\n <p class=\"vma-a\">Vi\u1ec7c kh\u1edfi \u0111\u1ed9ng t\u1ea1o ra t\u1ea3i tr\u1ecdng \u0111\u1ed9ng l\u1edbn. N\u1ebfu c\u1ea5u tr\u00fac b\u1ecb n\u1edbi l\u1ecfng, v\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed s\u1ebd thay \u0111\u1ed5i sau m\u1ed7i l\u1ea7n kh\u1edfi \u0111\u1ed9ng, d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i c\u00e1c th\u00f4ng s\u1ed1 dao \u0111\u1ed9ng.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Khi n\u00e0o th\u00ec vi\u1ec7c c\u00e2n b\u1eb1ng chu\u1ed7i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c?<\/div>\n <p class=\"vma-a\">Vi\u1ec7c c\u00e2n b\u1eb1ng n\u1ed1i ti\u1ebfp c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi c\u00e1c r\u00f4to gi\u1ed1ng h\u1ec7t nhau \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong \u0111i\u1ec1u ki\u1ec7n gi\u1ed1ng h\u1ec7t nhau, v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh rung \u0111\u1ed9ng v\u00e0 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c h\u1ec7 s\u1ed1 \u1ea3nh h\u01b0\u1edfng t\u1eeb r\u00f4to \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c r\u00f4to ti\u1ebfp theo.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">T\u1ea1i sao k\u1ebft qu\u1ea3 l\u1ea1i \u0111\u1ed9t nhi\u00ean kh\u00f4ng th\u1ec3 l\u1eb7p l\u1ea1i trong qu\u00e1 tr\u00ecnh c\u00e2n b\u1eb1ng n\u1ed1i ti\u1ebfp?<\/div>\n <p class=\"vma-a\">\u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng l\u00e0 do s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng c\u1ee7a gi\u00e1 \u0111\u1ee1, s\u1ef1 kh\u00e1c bi\u1ec7t trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, s\u1ef1 thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 quay ho\u1eb7c s\u1ef1 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a v\u1eadt th\u1ec3 sang ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng phi tuy\u1ebfn t\u00ednh.<\/p>\n <\/div>\n\n <div class=\"vma-qa\">\n <div class=\"vma-q\">Ti\u00eau ch\u00ed ch\u00ednh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ef1 c\u00e2n b\u1eb1ng th\u00e0nh c\u00f4ng l\u00e0 g\u00ec?<\/div>\n <p class=\"vma-a\">Gi\u1ea3m rung \u0111\u1ed9ng xu\u1ed1ng m\u1ee9c \u1ed5n \u0111\u1ecbnh trong khi v\u1eabn duy tr\u00ec t\u00ednh l\u1eb7p l\u1ea1i c\u1ee7a bi\u00ean \u0111\u1ed9 v\u00e0 pha t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i, v\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u c\u1ed9ng h\u01b0\u1edfng ho\u1eb7c phi tuy\u1ebfn t\u00ednh.<\/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\/vi\/wp-json\/wp\/v2\/posts\/5199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/comments?post=5199"}],"version-history":[{"count":3,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/posts\/5199\/revisions"}],"predecessor-version":[{"id":20911,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/posts\/5199\/revisions\/20911"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media\/5200"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=5199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=5199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=5199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}