{"id":163,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/modal-analysis\/"},"modified":"2026-05-23T22:37:13","modified_gmt":"2026-05-23T22:37:13","slug":"modal-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/modal-analysis\/","title":{"rendered":"Ph\u00e2n t\u00edch m\u00f4 h\u00ecnh l\u00e0 g\u00ec? (EMA, OMA)"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 Ph\u00e2n t\u00edch M\u00f4 th\u1ee9c<\/h1>\n\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 &amp; 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 &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; 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\/glossary\/163?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\/glossary\/163?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 &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; 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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\/glossary\/163?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\n<p><strong>Ph\u00e2n t\u00edch m\u00f4 h\u00ecnh<\/strong> l\u00e0 qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ednh ch\u1ea5t \u0111\u1ed9ng h\u1ecdc v\u1ed1n c\u00f3 c\u1ee7a m\u1ed9t c\u1ea5u tr\u00fac ho\u1eb7c h\u1ec7 th\u1ed1ng c\u01a1 h\u1ecdc. Nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u00f3 \u2014 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/natural-frequency\/\">t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/a>, c\u1ee7a n\u00f3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/damping\/\">gi\u1ea3m ch\u1ea5n<\/a> t\u1ef7 l\u1ec7, v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/mode-shape\/\">h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9<\/a> \u2014 \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 \u201cc\u00e1c th\u00f4ng s\u1ed1 ch\u1ebf \u0111\u1ed9\u201d c\u1ee7a h\u1ec7 th\u1ed1ng. Ch\u00fang c\u00f9ng nhau m\u00f4 t\u1ea3 nh\u1eefng c\u00e1ch th\u1ee9c \u0111\u1eb7c tr\u01b0ng m\u00e0 m\u1ed9t c\u00f4ng tr\u00ecnh s\u1ebd t\u1ef1 nhi\u00ean dao \u0111\u1ed9ng khi b\u1ecb t\u00e1c \u0111\u1ed9ng. Ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 \u00fd ngh\u0129a n\u1ec1n t\u1ea3ng: n\u00f3 gi\u00fap c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c c\u00e1c l\u1ef1c \u0111\u1ed9ng h\u1ecdc, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p h\u1ecd ch\u1ea9n \u0111o\u00e1n v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 rung \u0111\u1ed9ng kh\u00f3 gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean n\u00e0o \u0111ang b\u1ecb k\u00edch th\u00edch. Trong tr\u01b0\u1eddng h\u1ee3p <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5 rung \u0111\u1ed9ng<\/a> Trong khi thi\u1ebft b\u1ecb \u0111o rung cho bi\u1ebft m\u00e1y \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ea1o ra nh\u1eefng t\u1ea7n s\u1ed1 n\u00e0o, th\u00ec ph\u00e2n t\u00edch ph\u01b0\u01a1ng th\u1ee9c l\u1ea1i ch\u1ec9 ra nh\u1eefng t\u1ea7n s\u1ed1 m\u00e0 k\u1ebft c\u1ea5u c\u00f3 xu h\u01b0\u1edbng khu\u1ebfch \u0111\u1ea1i \u2014 v\u00e0 ch\u00ednh s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 hi\u1ec3u r\u00f5 v\u1ea5n \u0111\u1ec1 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a>.<\/p>\n<h2>1. M\u1ee5c ti\u00eau: X\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 ph\u01b0\u01a1ng th\u1ee9c<\/h2>\n<p>M\u1ed7i c\u1ea5u tr\u00fac \u0111\u1ec1u c\u00f3 m\u1ed9t b\u1ed9 th\u00f4ng s\u1ed1 dao \u0111\u1ed9ng ri\u00eang bi\u1ec7t, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a n\u00f3 \u2014 kh\u1ed1i l\u01b0\u1ee3ng, \u0111\u1ed9 c\u1ee9ng v\u00e0 h\u1ec7 s\u1ed1 gi\u1ea3m ch\u1ea5n. M\u1ee5c \u0111\u00edch c\u1ee7a ph\u00e2n t\u00edch dao \u0111\u1ed9ng l\u00e0 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c th\u00f4ng s\u1ed1 \u0111\u00f3:<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean (t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng):<\/strong> c\u00e1c t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3 m\u00e0 t\u1ea1i \u0111\u00f3 c\u1ea5u tr\u00fac dao \u0111\u1ed9ng v\u1edbi bi\u00ean \u0111\u1ed9 l\u1edbn nh\u1ea5t khi b\u1ecb k\u00edch th\u00edch. B\u1ea5t k\u1ef3 c\u1ea5u tr\u00fac th\u1ef1c t\u1ebf n\u00e0o c\u0169ng c\u00f3 nhi\u1ec1u t\u1ea7n s\u1ed1 nh\u01b0 v\u1eady, x\u1ebfp th\u00e0nh m\u1ed9t d\u00e3y t\u0103ng d\u1ea7n.<\/li>\n<li><strong>H\u1ec7 s\u1ed1 gi\u1ea3m ch\u1ea5n:<\/strong> m\u1ed9t th\u01b0\u1edbc \u0111o cho th\u1ea5y t\u1ed1c \u0111\u1ed9 suy gi\u1ea3m c\u1ee7a dao \u0111\u1ed9ng \u1edf m\u1ed7i ch\u1ebf \u0111\u1ed9 \u2014 n\u00f3i c\u00e1ch kh\u00e1c, l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u1ea5u tr\u00fac ti\u00eau t\u00e1n. \u0110\u1ed9 gi\u1ea3m ch\u1ea5n nh\u1eb9 t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111\u1ec9nh c\u1ed9ng h\u01b0\u1edfng cao v\u00e0 h\u1eb9p; \u0111\u1ed9 gi\u1ea3m ch\u1ea5n m\u1ea1nh t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111\u1ec9nh c\u1ed9ng h\u01b0\u1edfng th\u1ea5p v\u00e0 r\u1ed9ng.<\/li>\n<li><strong>H\u00ecnh d\u1ea1ng dao \u0111\u1ed9ng:<\/strong> m\u00f4 h\u00ecnh bi\u1ebfn d\u1ea1ng \u0111\u1eb7c tr\u01b0ng m\u00e0 c\u1ea5u tr\u00fac th\u1ec3 hi\u1ec7n khi dao \u0111\u1ed9ng \u1edf m\u1ed9t trong c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a n\u00f3. M\u1ed7i t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u1ec1u c\u00f3 h\u00ecnh d\u1ea1ng dao \u0111\u1ed9ng t\u01b0\u01a1ng \u1ee9ng \u2014 ch\u1ebf \u0111\u1ed9 u\u1ed1n \u0111\u1ea7u ti\u00ean, ch\u1ebf \u0111\u1ed9 xo\u1eafn, v.v.<\/li>\n<\/ul>\n<p>V\u1edbi ba th\u00f4ng s\u1ed1 n\u00e0y, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n c\u00e1ch k\u1ebft c\u1ea5u s\u1ebd ph\u1ea3n \u1ee9ng tr\u01b0\u1edbc h\u1ea7u h\u1ebft m\u1ecdi t\u1ea3i tr\u1ecdng \u0111\u1ed9ng m\u00e0 n\u00f3 ph\u1ea3i ch\u1ecbu trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n tr\u01b0\u1edbc khi ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h3>T\u1ea1i sao ba th\u00f4ng s\u1ed1 n\u00e0y l\u1ea1i t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau<\/h3>\n<p>Kh\u00f4ng c\u00f3 th\u00f4ng s\u1ed1 n\u00e0o l\u00e0 \u0111\u1ee7 n\u1ebfu ch\u1ec9 xem x\u00e9t ri\u00eang l\u1ebb. T\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean cho b\u1ea1n bi\u1ebft <em>\u1ede \u0111\u00e2u<\/em> m\u1ed9t dao \u0111\u1ed9ng n\u1eb1m tr\u00ean tr\u1ee5c t\u1ea7n s\u1ed1; h\u1ec7 s\u1ed1 gi\u1ea3m ch\u1ea5n cho bi\u1ebft <em>m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng<\/em> n\u00f3 s\u1ebd nh\u01b0 th\u1ebf n\u00e0o n\u1ebfu b\u1ecb k\u00edch th\u00edch; v\u00e0 h\u00ecnh d\u1ea1ng dao \u0111\u1ed9ng s\u1ebd cho b\u1ea1n bi\u1ebft <em>\u1edf \u0111\u00e2u tr\u00ean c\u1ea5u tr\u00fac<\/em> chuy\u1ec3n \u0111\u1ed9ng m\u1ea1nh nh\u1ea5t \u2014 v\u00e0 do \u0111\u00f3, \u0111\u00f3 l\u00e0 n\u01a1i c\u1ea3m bi\u1ebfn s\u1ebd ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c n\u00f3, n\u01a1i vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh s\u1ebd mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t, v\u00e0 n\u01a1i m\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/nodal-point\/\">\u0111i\u1ec3m n\u00fat<\/a> trong tr\u1ea1ng th\u00e1i g\u1ea7n nh\u01b0 kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c tham s\u1ed1 n\u00e0y lu\u00f4n \u0111\u01b0\u1ee3c xem x\u00e9t nh\u01b0 m\u1ed9t t\u1eadp h\u1ee3p.<\/p>\n<h2>2. C\u00e1c lo\u1ea1i ph\u00e2n t\u00edch ph\u01b0\u01a1ng th\u1ee9c<\/h2>\n<p>C\u00f3 ba ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 ch\u1ebf \u0111\u1ed9 dao \u0111\u1ed9ng c\u1ee7a m\u1ed9t c\u1ea5u tr\u00fac: hai ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c nghi\u1ec7m v\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ho\u00e0n to\u00e0n d\u1ef1a tr\u00ean t\u00ednh to\u00e1n.<\/p>\n<h3>1. Ph\u00e2n t\u00edch m\u00f4 h\u00ecnh th\u1ef1c nghi\u1ec7m (EMA)<\/h3>\n<p>EMA \u2014 c\u00f3 m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bump-test\/\">ki\u1ec3m tra va ch\u1ea1m<\/a> \u2014 \u0111o l\u01b0\u1eddng ph\u1ea3n \u1ee9ng c\u1ee7a c\u1ea5u tr\u00fac tr\u01b0\u1edbc m\u1ed9t l\u1ef1c t\u00e1c \u0111\u1ed9ng \u0111\u00e3 bi\u1ebft v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u0111\u1ec3 th\u1eed nghi\u1ec7m ph\u1ea7n c\u1ee9ng th\u1ef1c t\u1ebf. Quy tr\u00ecnh th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n<ol>\n<li>T\u1ea1o l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean c\u1ea5u tr\u00fac v\u1edbi m\u1ed9t l\u1ef1c v\u1eeba ph\u1ea3i, th\u01b0\u1eddng t\u1eeb m\u1ed9t <strong>b\u00faa t\u00e1c \u0111\u1ed9ng c\u00f3 d\u1ee5ng c\u1ee5<\/strong> (\u0111\u1ea7u c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c trang b\u1ecb c\u1ea3m bi\u1ebfn l\u1ef1c) ho\u1eb7c t\u1eeb m\u1ed9t <strong>m\u00e1y l\u1eafc \u0111i\u1ec7n \u0111\u1ed9ng<\/strong>. S\u1ef1 k\u00edch th\u00edch c\u00f3 ki\u1ec3m so\u00e1t n\u00e0y ch\u00ednh l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/impact-testing\/\">th\u1eed nghi\u1ec7m va \u0111\u1eadp<\/a>.<\/li>\n<li>\u0110o ph\u1ea3n \u1ee9ng rung \u0111\u1ed9ng t\u1ea1i m\u1ed9t ho\u1eb7c nhi\u1ec1u v\u1ecb tr\u00ed b\u1eb1ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a>.<\/li>\n<li>T\u00ednh to\u00e1n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/frequency-response-function\/\">H\u00e0m \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1 (FRF)<\/a> t\u1ea1i m\u1ed7i \u0111i\u1ec3m \u2014 t\u1ef7 l\u1ec7 gi\u1eefa dao \u0111\u1ed9ng \u0111\u1ea7u ra v\u00e0 l\u1ef1c \u0111\u1ea7u v\u00e0o theo t\u1ea7n s\u1ed1.<\/li>\n<li>S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh b\u1ed9 h\u00e0m \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1 (FRFs) v\u00e0 tr\u00edch xu\u1ea5t c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean, h\u1ec7 s\u1ed1 gi\u1ea3m ch\u1ea5n v\u00e0 h\u00ecnh d\u1ea1ng dao \u0111\u1ed9ng. Ph\u1ea7n m\u1ec1m sau \u0111\u00f3 c\u00f3 th\u1ec3 t\u1ea1o hi\u1ec7u \u1ee9ng \u0111\u1ed9ng cho t\u1eebng h\u00ecnh d\u1ea1ng dao \u0111\u1ed9ng, gi\u00fap nh\u00e0 ph\u00e2n t\u00edch quan s\u00e1t tr\u1ef1c quan c\u00e1ch k\u1ebft c\u1ea5u u\u1ed1n cong \u1edf m\u1ed7i t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean.<\/li>\n<\/ol>\n<p>V\u00ec c\u1ea3 l\u1ef1c \u0111\u1ea7u v\u00e0o v\u00e0 ph\u1ea3n \u1ee9ng \u0111\u1ea7u ra \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng, ph\u01b0\u01a1ng ph\u00e1p EMA cho ra c\u00e1c th\u00f4ng s\u1ed1 ch\u1ebf \u0111\u1ed9 dao \u0111\u1ed9ng \u0111\u01b0\u1ee3c quy \u0111\u1ed5i \u0111\u1ea7y \u0111\u1ee7 \u2014 \u0111\u00e2y l\u00e0 m\u00f4 t\u1ea3 th\u1ef1c nghi\u1ec7m \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t hi\u1ec7n c\u00f3.<\/p>\n<h3>2. Ph\u00e2n t\u00edch m\u00f4 h\u00ecnh ho\u1ea1t \u0111\u1ed9ng (OMA)<\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p OMA \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng khi vi\u1ec7c t\u00e1c d\u1ee5ng m\u1ed9t l\u1ef1c \u0111i\u1ec1u khi\u1ec3n l\u00e0 kh\u00f4ng kh\u1ea3 thi ho\u1eb7c kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n, ho\u1eb7c khi h\u00e0nh vi c\u1ee7a k\u1ebft c\u1ea5u trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng. \u1ede \u0111\u00e2y, ch\u1ec9 \u0111o ph\u1ea3n \u1ee9ng \u0111\u1ea7u ra \u2014 m\u1ed9t l\u1ea7n n\u1eefa b\u1eb1ng c\u1ea3m bi\u1ebfn gia t\u1ed1c \u2014 trong khi k\u1ebft c\u1ea5u b\u1ecb k\u00edch th\u00edch b\u1edfi c\u00e1c l\u1ef1c v\u1eadn h\u00e0nh th\u00f4ng th\u01b0\u1eddng ho\u1eb7c l\u1ef1c m\u00f4i tr\u01b0\u1eddng xung quanh: gi\u00f3 t\u00e1c \u0111\u1ed9ng l\u00ean c\u1ea7u, l\u1ef1c t\u1eeb m\u1eb7t \u0111\u01b0\u1eddng truy\u1ec1n v\u00e0o th\u00e2n xe, ho\u1eb7c c\u00e1c l\u1ef1c l\u00e0m vi\u1ec7c b\u00ean trong m\u00e1y m\u00f3c \u0111ang ho\u1ea1t \u0111\u1ed9ng. C\u00e1c thu\u1eadt to\u00e1n ti\u00ean ti\u1ebfn sau \u0111\u00f3 s\u1ebd kh\u00f4i ph\u1ee5c c\u00e1c th\u00f4ng s\u1ed1 ch\u1ebf \u0111\u1ed9 t\u1eeb d\u1eef li\u1ec7u ch\u1ec9 ph\u1ea3n h\u1ed3i. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 c\u00e1c h\u00ecnh d\u1ea1ng ch\u1ebf \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111\u01b0a ra kh\u00f4ng theo t\u1ef7 l\u1ec7, nh\u01b0ng \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ea5u tr\u00fac l\u1edbn \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, \u0111\u00e2y th\u01b0\u1eddng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u1ea3 thi duy nh\u1ea5t. V\u1ec1 m\u1eb7t kh\u00e1i ni\u1ec7m, OMA r\u1ea5t gi\u1ed1ng v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/ods-analysis\/\">Ph\u00e2n t\u00edch h\u00ecnh d\u1ea1ng bi\u1ebfn d\u1ea1ng ho\u1ea1t \u0111\u1ed9ng (ODS)<\/a>, m\u1eb7c d\u00f9 ODS m\u00f4 t\u1ea3 c\u00e1ch m\u1ed9t c\u1ea5u tr\u00fac th\u1ef1c s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng trong m\u1ed9t \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh c\u1ee5 th\u1ec3 thay v\u00ec x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ebf \u0111\u1ed9 dao \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a n\u00f3.<\/p>\n<h3>3. Ph\u00e2n t\u00edch m\u00f4 h\u00ecnh ph\u00e2n t\u00edch (FEA)<\/h3>\n<p>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng \u00e1n ho\u00e0n to\u00e0n mang t\u00ednh l\u00fd thuy\u1ebft, \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh m\u00e1y t\u00ednh \u2014 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>Ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA)<\/strong>. C\u00e1c k\u1ef9 s\u01b0 t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh \u1ea3o c\u1ee7a k\u1ebft c\u1ea5u v\u00e0 ph\u1ea7n m\u1ec1m s\u1ebd d\u1ef1 \u0111o\u00e1n c\u00e1c th\u00f4ng s\u1ed1 dao \u0111\u1ed9ng c\u1ee7a n\u00f3 tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh c\u1eaft b\u1ea5t k\u1ef3 chi ti\u1ebft kim lo\u1ea1i n\u00e0o. Sau \u0111\u00f3, ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch dao \u0111\u1ed9ng (EMA) th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 x\u00e1c th\u1ef1c v\u00e0 tinh ch\u1ec9nh m\u00f4 h\u00ecnh ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA), t\u1eeb \u0111\u00f3 kh\u00e9p k\u00edn v\u00f2ng l\u1eb7p gi\u1eefa d\u1ef1 \u0111o\u00e1n v\u00e0 \u0111o l\u01b0\u1eddng, gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh tin c\u1eady cho c\u00e1c nghi\u00ean c\u1ee9u gi\u1ea3 \u0111\u1ecbnh trong t\u01b0\u01a1ng lai d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh n\u00e0y.<\/p>\n<h2>3. \u1ee8ng d\u1ee5ng c\u1ee7a ph\u00e2n t\u00edch ph\u01b0\u01a1ng th\u1ee9c<\/h2>\n<ul>\n<li><strong>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng:<\/strong> \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. Khi m\u1ed9t m\u00e1y m\u00f3c rung l\u1eafc qu\u00e1 m\u1ee9c, ph\u00e2n t\u00edch ch\u1ebf \u0111\u1ed9 dao \u0111\u1ed9ng s\u1ebd cho bi\u1ebft li\u1ec7u t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a k\u1ebft c\u1ea5u c\u00f3 \u0111ang b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi m\u1ed9t l\u1ef1c v\u1eadn h\u00e0nh nh\u01b0 t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng hay kh\u00f4ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/blade-passing-frequency\/\">t\u1ea7n s\u1ed1 l\u01b0\u1ee1i dao \u0111i qua<\/a>.<\/li>\n<li><strong>X\u00e1c nh\u1eadn thi\u1ebft k\u1ebf:<\/strong> C\u00e1c k\u1ef9 s\u01b0 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a s\u1ea3n ph\u1ea9m m\u1edbi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf sao cho kh\u00f4ng tr\u00f9ng v\u1edbi c\u00e1c t\u1ea7n s\u1ed1 k\u00edch th\u00edch \u0111\u00e3 bi\u1ebft \u2014 nh\u01b0 s\u1ed1 v\u00f2ng quay c\u1ee7a \u0111\u1ed9ng c\u01a1, chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1nh qu\u1ea1t, s\u1ef1 \u0103n kh\u1edbp c\u1ee7a b\u00e1nh r\u0103ng \u2014 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng kh\u00f4ng bao gi\u1edd x\u1ea3y ra.<\/li>\n<li><strong>S\u1eeda \u0111\u1ed5i c\u1ea5u tr\u00fac:<\/strong> M\u1ed9t khi \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng, m\u00f4 h\u00ecnh dao \u0111\u1ed9ng s\u1ebd h\u1ed7 tr\u1ee3 c\u00e1c ph\u00e2n t\u00edch gi\u1ea3 \u0111\u1ecbnh, gi\u00fap tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi nh\u01b0 \u201cn\u00ean \u0111\u1eb7t thanh gia c\u01b0\u1eddng \u1edf \u0111\u00e2u \u0111\u1ec3 t\u0103ng t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean n\u00e0y l\u00ean?\u201d tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng k\u1ebft c\u1ea5u:<\/strong> S\u1ef1 thay \u0111\u1ed5i c\u1ee7a c\u00e1c th\u00f4ng s\u1ed1 m\u00f4 h\u00ecnh theo th\u1eddi gian c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y s\u1ef1 h\u01b0 h\u1ecfng \u0111ang h\u00ecnh th\u00e0nh \u2014 m\u1ed9t qu\u00e1 tr\u00ecnh ng\u00e0y c\u00e0ng nghi\u00eam tr\u1ecdng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/shaft-crack\/\">v\u1ebft n\u1ee9t tr\u1ee5c<\/a>, v\u00ed d\u1ee5, l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng v\u00e0 do \u0111\u00f3 l\u00e0m gi\u1ea3m t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean.<\/li>\n<\/ul>\n<h2>4. Ph\u00e2n t\u00edch ph\u01b0\u01a1ng th\u1ee9c v\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ed9ng h\u01b0\u1edfng<\/h2>\n<p>L\u1ee3i \u00edch th\u1ef1c ti\u1ec5n c\u1ee7a t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y l\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n bi\u1ec7t hai v\u1ea5n \u0111\u1ec1 tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau tr\u00ean c\u00f9ng m\u1ed9t ph\u1ed5 nh\u01b0ng l\u1ea1i \u0111\u00f2i h\u1ecfi c\u00e1c gi\u1ea3i ph\u00e1p ho\u00e0n to\u00e0n tr\u00e1i ng\u01b0\u1ee3c: v\u1ea5n \u0111\u1ec1 do l\u1ef1c t\u00e1c \u0111\u1ed9ng qu\u00e1 m\u1ee9c v\u00e0 v\u1ea5n \u0111\u1ec1 do c\u1ed9ng h\u01b0\u1edfng. N\u1ebfu dao \u0111\u1ed9ng m\u1ea1nh xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t l\u1ef1c k\u00edch th\u00edch l\u1edbn \u2014 v\u00ed d\u1ee5 nh\u01b0 l\u1ef1c d\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> \u2014 gi\u1ea3i ph\u00e1p l\u00e0 gi\u1ea3m l\u1ef1c t\u00e1c \u0111\u1ed9ng. N\u1ebfu l\u1ef1c n\u00e0y xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t c\u1ea5u tr\u00fac c\u00f3 t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean tr\u00f9ng kh\u1edbp v\u1edbi t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng, vi\u1ec7c gi\u1ea3m l\u1ef1c h\u1ea7u nh\u01b0 kh\u00f4ng mang l\u1ea1i hi\u1ec7u qu\u1ea3; c\u00e1ch kh\u1eafc ph\u1ee5c l\u00e0 thay \u0111\u1ed5i t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c \u0111\u1ed9 c\u1ee9ng, ho\u1eb7c b\u1ed5 sung h\u1ec7 th\u1ed1ng gi\u1ea3m ch\u1ea5n. Ph\u00e2n t\u00edch ch\u1ebf \u0111\u1ed9 dao \u0111\u1ed9ng l\u00e0 c\u00f4ng c\u1ee5 gi\u00fap x\u00e1c \u0111\u1ecbnh t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 m\u00e0 b\u1ea1n \u0111ang g\u1eb7p ph\u1ea3i. C\u00e1c \u0111i\u1ec1u ki\u1ec7n nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/structural-resonance\/\">c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/frame-resonance\/\">c\u1ed9ng h\u01b0\u1edfng khung<\/a> \u0111\u01b0\u1ee3c ch\u1ea9n \u0111o\u00e1n ch\u00ednh x\u00e1c theo c\u00e1ch n\u00e0y, v\u00e0 tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 t\u1ed1c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i, k\u1ebft qu\u1ea3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/campbell-diagram\/\">Bi\u1ec3u \u0111\u1ed3 Campbell<\/a> \u0111\u1ed3 th\u1ecb th\u1ec3 hi\u1ec7n v\u1ecb tr\u00ed m\u00e0 c\u00e1c b\u1eadc k\u00edch th\u00edch c\u1eaft qua c\u00e1c t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean trong d\u1ea3i t\u1ed1c \u0111\u1ed9.<\/p>\n<h2>5. Vai tr\u00f2 c\u1ee7a vi\u1ec7c \u0111o \u0111\u1ea1c th\u1ef1c \u0111\u1ecba<\/h2>\n<p>Th\u1eed nghi\u1ec7m \u0111a \u0111i\u1ec3m to\u00e0n di\u1ec7n l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng chuy\u00ean bi\u1ec7t, nh\u01b0ng k\u1ef9 s\u01b0 \u0111\u1ed9 tin c\u1eady th\u01b0\u1eddng g\u1eb7p h\u00ecnh th\u1ee9c \u0111\u01a1n gi\u1ea3n h\u01a1n c\u1ee7a n\u00f3 ngay t\u1ea1i x\u01b0\u1edfng s\u1ea3n xu\u1ea5t: m\u1ed9t b\u00e0i ki\u1ec3m tra va ch\u1ea1m nhanh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean nghi ng\u1edd tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh c\u00e2n b\u1eb1ng. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec vi\u1ec7c c\u00e2n b\u1eb1ng m\u1ed9t r\u00f4-to c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ee1 \u0111ang \u1edf tr\u1ea1ng th\u00e1i c\u1ed9ng h\u01b0\u1edfng s\u1ebd ch\u1ec9 l\u00e0 v\u00f4 \u00edch \u2014 ph\u1ea3n \u1ee9ng \u0111o \u0111\u01b0\u1ee3c ch\u1ee7 y\u1ebfu do c\u1ea5u tr\u00fac g\u00e2y ra, ch\u1ee9 kh\u00f4ng ph\u1ea3i do s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng. M\u1ed9t thi\u1ebft b\u1ecb c\u1ea7m tay hai k\u00eanh nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> cho ph\u00e9p k\u1ef9 s\u01b0 \u0111o l\u01b0\u1eddng dao \u0111\u1ed9ng t\u1ea1i c\u00e1c \u1ed5 tr\u1ee5c c\u1ee7a ch\u00ednh m\u00e1y \u1edf t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh v\u00e0 x\u00e1c nh\u1eadn r\u1eb1ng t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh n\u1eb1m ngo\u00e0i d\u1ea3i t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a k\u1ebft c\u1ea5u, do \u0111\u00f3 c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/field-balancing\/\">c\u00e2n b\u1eb1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a> th\u1ef1c s\u1ef1 gi\u1ea3i quy\u1ebft t\u1eadn g\u1ed1c v\u1ea5n \u0111\u1ec1. Sau khi lo\u1ea1i tr\u1eeb \u0111\u01b0\u1ee3c c\u00e1c y\u1ebfu t\u1ed1 c\u1ea5u tr\u00fac, c\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb s\u1ebd \u0111o bi\u00ean \u0111\u1ed9 v\u00e0 pha 1\u00d7 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00e2n b\u1eb1ng r\u00f4-to v\u00e0 x\u00e1c minh k\u1ebft qu\u1ea3. B\u1eb1ng c\u00e1ch n\u00e0y, l\u0129nh v\u1ef1c r\u1ed9ng l\u1edbn c\u1ee7a ph\u00e2n t\u00edch ch\u1ebf \u0111\u1ed9 dao \u0111\u1ed9ng v\u00e0 nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 c\u00e2n b\u1eb1ng h\u1ed7 tr\u1ee3 l\u1eabn nhau: l\u0129nh v\u1ef1c \u0111\u1ea7u ti\u00ean \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111ang gi\u1ea3i quy\u1ebft \u0111\u00fang v\u1ea5n \u0111\u1ec1, c\u00f2n nhi\u1ec7m v\u1ee5 th\u1ee9 hai s\u1ebd gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u0111\u00f3.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/\">\u2190 Quay l\u1ea1i M\u1ee5c l\u1ee5c ch\u00ednh<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn v\u1ec1 ph\u00e2n t\u00edch m\u00f4 th\u1ee9c, qu\u00e1 tr\u00ecnh x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean, \u0111\u1ed9 gi\u1ea3m ch\u1ea5n v\u00e0 h\u00ecnh d\u1ea1ng m\u00f4 th\u1ee9c c\u1ee7a c\u1ea5u tr\u00fac. T\u00ecm hi\u1ec3u v\u1ec1 Ph\u00e2n t\u00edch M\u00f4 th\u1ee9c Th\u1ef1c nghi\u1ec7m (EMA) v\u00e0 V\u1eadn h\u00e0nh (OMA).<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-163","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/163\/revisions"}],"predecessor-version":[{"id":101290,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/163\/revisions\/101290"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}