{"id":2165,"date":"2023-04-07T21:33:05","date_gmt":"2023-04-07T21:33:05","guid":{"rendered":"https:\/\/vibromera.eu\/?p=2165"},"modified":"2026-07-03T10:37:06","modified_gmt":"2026-07-03T10:37:06","slug":"mootmine-relatiivse-rotori-vibratsiooni-mitte-kontakt-lineaarse-nihke-sensoritega","status":"publish","type":"post","link":"https:\/\/vibromera.eu\/et\/example\/measurement-of-relative-rotor-vibration-using-non-contact-linear-displacement-sensors\/","title":{"rendered":"Rootori suhtelise vibratsiooni m\u00f5\u00f5tmine kontaktivabade lineaarsete nihkeandurite abil."},"content":{"rendered":"<h1>Rotori suhtelise vibratsiooni m\u00f5\u00f5tmine kontaktivabade lineaarsete nihkeandurite abil<\/h1>\n<p>Koos <a href=\"https:\/\/vibromera.eu\/et\/toode\/balanset-1\/\">Balanset-1A<\/a> saate m\u00f5\u00f5ta suhtelist <a href=\"https:\/\/vibromera.eu\/et\/glossary\/vibration\/\">vibratsioon<\/a> kohta <a href=\"https:\/\/vibromera.eu\/et\/glossary\/rootor\/\">rootor<\/a> kasutades kontaktivabasid lineaarsensoreid.<\/p>\n<h2>1.1 Anduri t\u00fc\u00fcbi valik ja seadistamine<\/h2>\n<p>S\u00f5ltuvalt \u00fclesandest v\u00f5ib m\u00f5\u00f5tmiseks kasutada kas vibratsiooniandureid v\u00f5i nihkeandureid. Anduri t\u00fc\u00fcbi valimiseks tuleb paneelis \u201eAnduri t\u00fc\u00fcp\u201c (peaaakna allosas) m\u00e4rkida valik \u201eVibro\u201c v\u00f5i \u201eLinear\u201c.<\/p>\n<div id=\"attachment_2166\" style=\"width: 446px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2166\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image002.webp\" alt=\"Joonis 1. Programmi Balanset peamine t\u00f6\u00f6aken.\" width=\"436\" height=\"407\" class=\"size-full wp-image-2166\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image002.webp 436w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image002-300x280.webp 300w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><p id=\"caption-attachment-2166\" class=\"wp-caption-text\">Joonis 1. Programmi Balanset peamine t\u00f6\u00f6aken.T<\/p><\/div>\n<p>Enne m\u00f5\u00f5tmise alustamist tuleb veenduda, et andurite muundamiskoefitsiendid on \u00f5igesti seadistatud. Selleks vajutage programmi p\u00f5hit\u00f6\u00f6aknas (vt joonis 1) nuppu \"F4-Settings\" ja minge teisenduskoefitsientide sisestamiseks m\u00f5eldud seadete aknasse (vt joonis 2).<\/p>\n<p>Joonisel 2 kujutatud t\u00f6\u00f6aknas tuleb vastavatesse v\u00e4ljadesse sisestada lineaar- ja vibratsiooniandurite muundamiskoefitsiendid. Need koefitsiendid on m\u00e4\u00e4ratud seadme passis. Tavaliselt ei ole neid vaja muuta.<\/p>\n<p>Lineaarse jaoks <a href=\"https:\/\/vibromera.eu\/et\/glossary\/displacement-probe\/\">nihe<\/a> Balanset-1A seadme komplektis kasutatavate andurite puhul on teisendustegurid vastavalt j\u00e4rgmised:<\/p>\n<ul>\n<li>Kprl1= 0,94 mV\/\u03bcm (1. kanali anduri muundumistegur);<\/li>\n<li>Kprl2 = 0,94 mV\/\u03bcm (2. kanali anduri muundumistegur.<\/li>\n<\/ul>\n<p>N\u00f5uetekohaseks toimimiseks tuleb lineaarkooder paigaldada teatud kaugusele m\u00f5\u00f5detava objekti pinnast. Nominaalne kaugus pinna ja anduri otsa vahel on 3,5 mm. Sellisel juhul on anduri v\u00e4ljundil pidev pinge 2,48 volti. See pinge kuvatakse vastavalt esimese ja teise kanali v\u00e4ljadel \"Channel1\" ja \"Channel2\".<\/p>\n<p>Selle kompenseerimiseks peate vajutama nuppu \"Eemalda DC\". V\u00e4ike j\u00e4\u00e4knihe ei sega m\u00f5\u00f5tmist.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2167\" style=\"width: 484px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2167\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image004.webp\" alt=\"Joonis 2. T\u00f6\u00f6aken muundamiskoefitsientide sisestamiseks ja kasutatavate andurite t\u00fc\u00fcbi valimiseks.\" width=\"474\" height=\"441\" class=\"size-full wp-image-2167\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image004.webp 474w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image004-300x279.webp 300w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><p id=\"caption-attachment-2167\" class=\"wp-caption-text\">Joonis 2. T\u00f6\u00f6aken muundamiskoefitsientide sisestamiseks ja kasutatavate andurite t\u00fc\u00fcbi valimiseks.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><strong>T\u00e4helepanu!<\/strong> Nimetatud nimim\u00f5\u00f5tude v\u00e4\u00e4rtused ja lineaarsete andurite \u00fcmberarvestuskoefitsiendid on esitatud terasest rootorite puhul. Muudest metallidest (vask, pronks, alumiinium) valmistatud rootorite puhul peab kasutaja nimim\u00f5\u00f5tude v\u00e4\u00e4rtused ja andurite \u00fcmberarvestuskoefitsiendid kindlaks m\u00e4\u00e4rama katseliselt, teostades kalibreerimise.<\/p>\n<p>Muudetud parameetrite salvestamiseks vajutage nuppu \"OK\". Uued parameetrid salvestatakse faili ja neid kasutatakse edasistes m\u00f5\u00f5tmistes.<\/p>\n<h2>1.2 Rootori radiaalse k\u00f5ikumise m\u00f5\u00f5tmine<\/h2>\n<p>Rotori radiaalset k\u00f5ikumist saab m\u00f5\u00f5ta kontaktivabalt <a href=\"https:\/\/vibromera.eu\/et\/glossary\/proximity-probe\/\">l\u00e4hedusandurid<\/a> kahes tasapinnas vastavalt joonisel 3 n\u00e4idatud skeemile. Ajafunktsiooni ja vajaduse korral ka rootori k\u00f5ikumisspektri m\u00f5\u00f5tmiseks ja graafikule kandmiseks tuleb teha mitmeid ettevalmistavaid toiminguid, sealhulgas:<\/p>\n<ul>\n<li>- valida rootori diameetrilised l\u00f5igud, kus m\u00f5\u00f5tmised teostatakse;<\/li>\n<li>paigaldada kontaktivabad lineaarsed nihkesensorid 5 ja 6 ning <a href=\"https:\/\/vibromera.eu\/et\/glossary\/phase\/\">faas<\/a> kallakusensor 7 masina alusele spetsiaalsete seadmete (nt magnetkolmikjalgade) abil;<\/li>\n<li>\u00fchendage lineaarliikumise l\u00e4hedusandurid m\u00f5\u00f5teseadme pistikupesadega X1 ja X2 ning faasinurgaandur pistikupesaga X3;<\/li>\n<li>- m\u00e4\u00e4rata iga lineaarkodeerija jaoks nominaalne m\u00f5\u00f5tevahe \u2206 rootoripinna ja andurelemendi vahel (terasest valmistatud rootori puhul \u2206 = 3,5 mm);<\/li>\n<li>paigaldage rootorile faasinurgaanduri 7 k\u00e4ivitamiseks vajalik peegeldav m\u00e4rk ja kontrollige anduri k\u00e4ivitumist;<\/li>\n<li>\u00fchendage m\u00f5\u00f5teseade arvutiga.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2168\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2168\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image006.webp\" alt=\"Joonis 3. Rootori radiaalse viskumise m\u00f5\u00f5tmine\" width=\"500\" height=\"308\" class=\"size-full wp-image-2168\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image006.webp 500w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image006-300x185.webp 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><p id=\"caption-attachment-2168\" class=\"wp-caption-text\">Joonis 3. Rootori radiaalse viskumise m\u00f5\u00f5tmine<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Kui vajutate p\u00f5hit\u00f6\u00f6aknas (vt joonis 1) nuppu \"F8 - graafikud\", kuvatakse arvuti ekraanil t\u00f6\u00f6aken \"Graafikud\" (vt joonis 5), mis on m\u00f5eldud eri liiki graafikute koostamiseks rootori radiaalse v\u00e4ljavoolu kohta.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2169\" style=\"width: 656px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2169\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010.webp\" alt=\"Joonis 5. T\u00f6\u00f6aken re\u017eiimis &quot;Diagrammid&quot;.\" width=\"646\" height=\"462\" class=\"size-full wp-image-2169\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010.webp 646w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010-600x429.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010-300x215.webp 300w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><p id=\"caption-attachment-2169\" class=\"wp-caption-text\">Joonis 5. T\u00f6\u00f6aken re\u017eiimis \"Diagrammid\".<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>Selle akna nupud loovad j\u00e4rgmised graafikud:<\/p>\n<ul>\n<li>Kui vajutate selles aknas nuppu \"Broadband vibration\", kuvatakse rootori radiaalse jooksu ajafunktsioon.<\/li>\n<li>Kui vajutatakse nuppu \"P\u00f6\u00f6rlemissageduse vibratsioon\", kuvatakse rootori radiaalse l\u00e4bis\u00f5idu p\u00f6\u00f6rdkomponendi ajafunktsioon.<\/li>\n<li>Kui vajutate nuppu \"Harmoonilised (1\/rev)\", kuvatakse ekraanil rootori l\u00e4bivusgraafik harmooniliste jadade kaupa. Esimene harmooniline vastab v\u00f5nkumise v\u00e4\u00e4rtusele p\u00f6\u00f6rdrootori sagedusel (1x), teine - kahekordsel sagedusel (2x) jne.<\/li>\n<li>Vajutades nuppu \"Spektri (Hz)\", kuvatakse ekraanil rootori radiaalse l\u00e4bis\u00f5idu spektri.<\/li>\n<li>Nupule \"Orbit\" vajutades kuvatakse rootori orbiidi (pretsessiooni) graafik.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>1.3 Rotori orbiidi graafiku koostamine<\/h2>\n<p>Rootori orbiidi graafiku konstrueerimine v\u00f5ib toimuda vastavalt joonisel 6 esitatud skeemile.<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2170\" style=\"width: 679px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2170\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image016.gif\" alt=\"Joonis 6. Rootori orbiidi m\u00f5\u00f5tmise skeem 1a - rootor (otsevaade); 1b - rootor (k\u00fclgvaade); 2, 3 - mittekontaktandurid; 4 - faasinurgaanduri peegeldusm\u00e4rk.\" width=\"669\" height=\"296\" class=\"size-full wp-image-2170\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image016.gif 669w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image016-600x265.gif 600w\" sizes=\"auto, (max-width: 669px) 100vw, 669px\" \/><p id=\"caption-attachment-2170\" class=\"wp-caption-text\">Joonis 6. Rootori orbiidi m\u00f5\u00f5tmise skeem 1a - rootor (otsevaade); 1b - rootor (k\u00fclgvaade); 2, 3 - mittekontaktandurid; 4 - faasinurgaanduri peegeldusm\u00e4rk.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>M\u00f5\u00f5tmiste tegemiseks ja vastava graafiku koostamiseks on vaja teha mitmeid ettevalmistavaid toiminguid, sealhulgas:<\/p>\n<ul>\n<li>- paigaldada kontaktivabad lineaarkoodrid 2 ja 3 \u00fchte rootori diameetrilisest osast 90\u00b0 nurga all \u00fcksteise suhtes, tingimusel et kodeerija 2 m\u00f5\u00f5tmistelg peab langema kokku X-teljega ja kodeerija 3 m\u00f5\u00f5tmistelg peab langema kokku Y-teljega;<\/li>\n<li>set the nominal measuring gap \u2206x (\u2206y) between the rootor surface and the sensing element of each linear encoder (for steel \u2206 = 3.5 mm);<\/li>\n<li>- asetage faasinurkade andur (skeemil ei ole n\u00e4idatud) X-Z-tasandisse, mis langeb kokku puutumatu anduri 2 paigaldustasandiga;<\/li>\n<li>paigaldada rootorile 1 X\u2013Z-tasandil peegeldav m\u00e4rk 4, mis on vajalik faasinurgaanduri t\u00f6\u00f6ks;<\/li>\n<li>- \u00fchendage kontaktivabad lineaarkoodrid 2 ja 3 pistikutesse X1 ja X2 ning faasinurkade kodeerija m\u00f5\u00f5teseadme pistikusse X3;<\/li>\n<li>\u00fchendage m\u00f5\u00f5teseade arvutiga.<\/li>\n<\/ul>\n<p>Rotori orbiidi m\u00f5\u00f5tmise alustamiseks peaaknas (vt joonis 1) vajutage nuppu \u201eF8 \u2013 Graafikud\u201c ja minge t\u00f6\u00f6aknasse \u201eGraafikud\u201c (vt joonis 5), mis on m\u00f5eldud rotori radiaalse k\u00f5ikumise erinevate graafikute koostamiseks. Selles t\u00f6\u00f6aknas tuleb vajutada nuppu \u201eOrbit\u201d, mille j\u00e4rel ilmub arvuti ekraanile t\u00f6\u00f6aken, kus tehakse vajalik m\u00f5\u00f5tets\u00fckkel (vt joonis 7).<\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_2171\" style=\"width: 509px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2171\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014.webp\" alt=\"Joonis 7. Rootori orbiidi graafik. Balanset tarkvara. \" width=\"499\" height=\"506\" class=\"size-full wp-image-2171\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014.webp 499w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014-296x300.webp 296w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014-50x50.webp 50w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><p id=\"caption-attachment-2171\" class=\"wp-caption-text\">Joonis 7. Rootori orbiidi graafik. Balanset tarkvara.<\/p><\/div>\n<p>To continue the work in the specified working window (see Fig. 7) you must turn on the rootor rotation and by pressing the &#8220;F9 &#8211; RUN&#8221; button perform measurement of the instantaneous values of radial viskumine of the rootor Sxi and Syi for a period equal to one rootor revolution.<\/p>\n<p>The array of instantaneous values Sxi and Syi obtained during measurement is used to plot the orbit of the controlled rootor (each i-th point of the orbit has the coordinates Sxi, Syi). The instantaneous radial displacement magnitude is calculated by the formula:<\/p>\n<p>S\u2211i = \u221a (Sxi\u00b2 + Syi\u00b2) (1)<\/p>\n<p>where S\u2211i is the instantaneous value of the radial displacement magnitude (the length of the radius vector of the rootor orbit), calculated for the i-th point of the graph;<\/p>\n<ul>\n<li>Sxi &#8211; instantaneous value of the radial viskumine of the rootor, measured along the X axis with sensor 2 (see Fig. 6) in the i-th point;<\/li>\n<li>Syi &#8211; instantaneous value of the rootor radial viskumine, measured along the Y axis with sensor 3 (see Fig. 6) in the i-th point.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Measurement of relative rotor vibration using non-contact linear displacement sensors With the Balanset-1A you can measure the relative vibration of the rotor using non-contact linear encoders. 1.1 Selection of the sensor type and setting Depending on the task, either vibration sensors or displacement sensors can be used for measurements. To [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4],"tags":[],"class_list":["post-2165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-example"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/posts\/2165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/comments?post=2165"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/posts\/2165\/revisions"}],"predecessor-version":[{"id":102205,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/posts\/2165\/revisions\/102205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/media\/2171"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/media?parent=2165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/categories?post=2165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/et\/wp-json\/wp\/v2\/tags?post=2165"}],"curies":[{"name":"t\u00f6\u00f6leht","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}