{"id":113,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/envelope-analysis\/"},"modified":"2026-05-23T22:28:42","modified_gmt":"2026-05-23T22:28:42","slug":"envelope-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/envelope-analysis\/","title":{"rendered":"Ph\u00e2n t\u00edch bao th\u01b0 \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i \u1ed5 tr\u1ee5c"},"content":{"rendered":"<h1>Ph\u00e2n t\u00edch bao (Gi\u1ea3i \u0111i\u1ec1u ch\u1ebf) \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm<\/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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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\/113?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 \u0111\u01b0\u1eddng bao<\/strong> \u2014 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>gi\u1ea3i \u0111i\u1ec1u ch\u1ebf<\/strong> ho\u1eb7c l\u1ea5y m\u1eabu t\u1ea7n s\u1ed1 cao \u2014 l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt x\u1eed l\u00fd t\u00edn hi\u1ec7u trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a> tr\u00edch xu\u1ea5t nh\u1eefng t\u00e1c \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i y\u1ebfu t\u1eeb m\u1ed9t khi\u1ebfm khuy\u1ebft giai \u0111o\u1ea1n s\u1edbm t\u1eeb nhi\u1ec5u rung \u0111\u1ed9ng n\u1ec1n c\u1ee7a m\u1ed9t m\u00e1y \u0111ang ch\u1ea1y. N\u00f3 l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd nh\u1ea5t duy nh\u1ea5t c\u00f3 s\u1eb5n \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u00e1t th\u01b0\u01a1ng s\u1eafp x\u1ea3y ra trong c\u00e1c \u1ed5 xe l\u0103n v\u00e0 h\u1ed9p s\u1ed1. C\u00e1c v\u1ebft n\u1ee9t vi m\u00f4, v\u1ecf tr\u00f4i (spalls) v\u00e0 khi\u1ebfm khuy\u1ebft b\u1ec1 m\u1eb7t m\u1ed7i lo\u1ea1i t\u1ea1o ra m\u1ed9t xung (burst) c\u1ee7a s\u00f3ng \u1ee9ng su\u1ea5t t\u1ea7n s\u1ed1 cao n\u0103ng l\u01b0\u1ee3ng th\u1ea5p m\u1ed7i khi m\u1ed9t y\u1ebfu t\u1ed1 l\u0103n ho\u1eb7c r\u0103ng s\u1ed1 ti\u1ebfp x\u00fac v\u1edbi khi\u1ebfm khuy\u1ebft, v\u00e0 ph\u00e2n t\u00edch l\u1ea5y m\u1eabu l\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00f4i ph\u1ee5c nh\u1eefng xung \u0111\u00f3 v\u00e0 ti\u1ebft l\u1ed9 t\u1ea7n s\u1ed1 m\u00e0 ch\u00fang l\u1eb7p l\u1ea1i.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: Ph\u00e2n t\u00edch bao (Envelope) ph\u00e1t hi\u1ec7n c\u00e1i g\u00ec<\/h2>\n<p>Khi m\u1ed9t v\u00f2ng l\u0103n l\u0103n qua m\u1ed9t v\u1ebft s\u1ee9t ho\u1eb7c n\u1ee9t nh\u1ecf tr\u00ean \u0111\u01b0\u1eddng ch\u1ea1y c\u1ee7a v\u00f2ng bi, n\u00f3 kh\u00f4ng t\u1ea1o ra s\u00f3ng sin m\u1ecbn \u2014 n\u00f3 t\u1ea1o ra m\u1ed9t t\u00e1c \u0111\u1ed9ng s\u1eafc n\u00e9t nh\u01b0 b\u00faa. M\u1ed7i t\u00e1c \u0111\u1ed9ng l\u00e0 ng\u1eafn v\u00e0 mang r\u1ea5t \u00edt n\u0103ng l\u01b0\u1ee3ng, nh\u01b0ng n\u00f3 k\u00edch th\u00edch ti\u1ebfng c\u1ed9ng h\u01b0\u1edfng t\u1ef1 nhi\u00ean (c\u00e1i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">s\u1ef1 c\u1ed9ng h\u01b0\u1edfng<\/a>) c\u1ee7a v\u00f2ng bi, c\u1ea3m bi\u1ebfn v\u00e0 c\u1ea5u tr\u00fac xung quanh \u1edf t\u1ea7n s\u1ed1 cao, th\u01b0\u1eddng l\u00e0 v\u00e0i kilohertz. Nh\u1eefng t\u00e1c \u0111\u1ed9ng n\u00e0y l\u1eb7p l\u1ea1i v\u1edbi t\u1ea7n su\u1ea5t ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c chi ph\u1ed1i b\u1edfi h\u00ecnh h\u1ecdc v\u00f2ng bi v\u00e0 t\u1ed1c \u0111\u1ed9 tr\u1ee5c. Ph\u00e2n t\u00edch bao x\u1eed l\u00fd nh\u1eefng ti\u1ebfng c\u1ed9ng h\u01b0\u1edfng t\u1ea7n s\u1ed1 cao \u0111\u00f3 nh\u01b0 m\u1ed9t <em>h\u00e3ng v\u1eadn chuy\u1ec3n<\/em> \u0111\u01b0\u1ee3c b\u1eadt t\u1eaft \u2014 \u0111i\u1ec1u ch\u1ebf \u2014 b\u1edfi c\u00e1c t\u00e1c \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 kh\u00f4i ph\u1ee5c m\u00f4 h\u00ecnh \u0111i\u1ec1u ch\u1ebf. K\u1ebft qu\u1ea3 cho bi\u1ebft nh\u00e0 ph\u00e2n t\u00edch kh\u00f4ng ch\u1ec9 <em>c\u00e1i \u0111\u00f3<\/em> c\u00f3 c\u00e1i g\u00ec t\u00e1c \u0111\u1ed9ng, m\u00e0 c\u00f2n t\u00e1c \u0111\u1ed9ng bao nhi\u00eau l\u1ea7n, v\u00e0 do \u0111\u00f3 <em>b\u1ed9 ph\u1eadn n\u00e0o<\/em> c\u1ee7a v\u00f2ng bi b\u1ecb h\u1ecfng.<\/p>\n<h2>2. T\u1ea1i sao FFT ti\u00eau chu\u1ea9n l\u00e0 kh\u00f4ng \u0111\u1ee7<\/h2>\n<p>N\u0103ng l\u01b0\u1ee3ng t\u1eeb nh\u1eefng t\u00e1c \u0111\u1ed9ng ban \u0111\u1ea7u n\u00e0y th\u01b0\u1eddng qu\u00e1 nh\u1ecf, v\u00e0 n\u1eb1m \u1edf t\u1ea7n s\u1ed1 qu\u00e1 cao, \u0111\u1ec3 hi\u1ec3n th\u1ecb trong m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a> \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u1ed9t ti\u00eau chu\u1ea9n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a>. Trong m\u1ed9t ph\u00e9p \u0111o th\u01b0\u1eddng xuy\u00ean, n\u0103ng l\u01b0\u1ee3ng t\u00e1c \u0111\u1ed9ng b\u1ecb ch\u00f4n trong s\u00e0n nhi\u1ec5u d\u1ea3i r\u1ed9ng v\u00e0 b\u1ecb che khu\u1ea5t ho\u00e0n to\u00e0n b\u1edfi nh\u1eefng \u0111\u1ec9nh t\u1ea7n s\u1ed1 th\u1ea5p l\u1edbn t\u1eeb <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/misalignment\/\">s\u1ef1 kh\u00f4ng th\u1eb3ng h\u00e0ng<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/looseness\/\">s\u1ef1 l\u1ecfng l\u1ebbo v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc<\/a>. M\u1ed9t ph\u1ed5 \u0111\u01a1n thu\u1ea7n, n\u00f3i c\u00e1ch kh\u00e1c, b\u1ecb chi ph\u1ed1i b\u1edfi dao \u0111\u1ed9ng 1\u00d7 v\u00e0 2\u00d7 l\u00e0nh m\u1ea1nh c\u1ee7a m\u00e1y, trong khi th\u00f4ng tin ch\u1ea9n \u0111o\u00e1n v\u1ec1 l\u1ed7i v\u00f2ng bi n\u1ed5i l\u00ean n\u1eb1m \u1edf v\u00f9ng t\u1ea7n s\u1ed1 cao n\u01a1i kh\u00f4ng ai nh\u00ecn. <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/demodulation\/\">Gi\u1ea3i \u0111i\u1ec1u ch\u1ebf<\/a> t\u1ed3n t\u1ea1i ch\u00ednh x\u00e1c \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec5u t\u1ea7n s\u1ed1 th\u1ea5p \u0111\u00f3 v\u00e0 n\u00e2ng t\u00edn hi\u1ec7u l\u1ed7i \u0111i\u1ec1u ch\u1ebf ra kh\u1ecfi nhi\u1ec5u.<\/p>\n<h2>3. Quy tr\u00ecnh ph\u00e2n t\u00edch bao<\/h2>\n<p>K\u1ef9 thu\u1eadt n\u00e0y c\u00f4 l\u1eadp ti\u1ebfng c\u1ed9ng h\u01b0\u1edfng t\u1ea7n s\u1ed1 cao v\u00e0 sau \u0111\u00f3 \u0111o t\u1ea7n su\u1ea5t l\u1eb7p l\u1ea1i c\u1ee7a n\u00f3. Trong th\u1ef1c t\u1ebf, n\u00f3 ti\u1ebfn h\u00e0nh theo b\u1ed1n b\u01b0\u1edbc:<\/p>\n<ol>\n<li><strong>L\u1ecdc d\u1ea3i th\u00f4ng (Band-pass filtering):<\/strong> T\u00edn hi\u1ec7u th\u00f4 t\u1eeb <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/accelerometer\/\">c\u1ea3m bi\u1ebfn gia t\u1ed1c<\/a> \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ed9t b\u1ed9 l\u1ecdc th\u00f4ng cao ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/band-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng d\u1ea3i<\/a>. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf dao \u0111\u1ed9ng t\u1ea7n s\u1ed1 th\u1ea5p m\u1ea1nh (th\u01b0\u1eddng l\u00e0 t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 d\u01b0\u1edbi kho\u1ea3ng 1 kHz ho\u1eb7c 5 kHz) v\u00e0 ch\u1ec9 gi\u1eef l\u1ea1i ti\u1ebfng c\u1ed9ng h\u01b0\u1edfng t\u1ea7n s\u1ed1 cao v\u00e0 s\u00f3ng \u1ee9ng su\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c t\u00e1c \u0111\u1ed9ng. Ch\u1ecdn d\u1ea3i sao cho n\u00f3 n\u1eb1m tr\u00ean c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac s\u1ebd t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 nh\u1ea1y.<\/li>\n<li><strong>Ch\u1ec9nh s\u1eeda:<\/strong> T\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ecdc sau \u0111\u00f3 \u0111\u01b0\u1ee3c ch\u1ec9nh l\u01b0u, l\u1eadt n\u1eeda \u00e2m c\u1ee7a n\u00f3 l\u00ean tr\u00ean sao cho ch\u1ec9 \u0111\u1ed9 l\u1edbn c\u1ee7a ti\u1ebfng c\u1ed9ng h\u01b0\u1edfng v\u1eabn c\u00f2n. B\u01b0\u1edbc n\u00e0y chu\u1ea9n b\u1ecb t\u00edn hi\u1ec7u cho bao.<\/li>\n<li><strong>Bao ph\u1ee7 (l\u1ecdc th\u00f4ng th\u1ea5p):<\/strong> A <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/low-pass-filter\/\">b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p<\/a> \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho t\u00edn hi\u1ec7u \u0111\u00e3 ch\u1ec9nh l\u01b0u. N\u00f3 l\u00e0m m\u1ecbn c\u00e1c dao \u0111\u1ed9ng t\u1ea7n cao nhanh ch\u00f3ng v\u00e0 ch\u1ec9 \u0111\u1ec3 l\u1ea1i d\u1ea1ng bao &#8220;envelope&#8221; thay \u0111\u1ed5i ch\u1eadm \u2014 c\u00e1ch v\u00e2n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf bi\u00ean \u0111\u1ed9, t\u1ee9c l\u00e0 t\u1ed1c \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a c\u00e1c t\u00e1c \u0111\u1ed9ng ban \u0111\u1ea7u.<\/li>\n<li><strong>Bi\u1ebfn \u0111\u1ed5i Fourier nhanh (FFT) c\u1ee7a \u0111\u01b0\u1eddng bao:<\/strong> Cu\u1ed1i c\u00f9ng, m\u1ed9t FFT \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean bao n\u00e0y <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/time-waveform\/\">d\u1ea1ng s\u00f3ng th\u1eddi gian<\/a>. K\u1ebft qu\u1ea3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/envelope-spectrum\/\">ph\u1ed5 bao<\/a> hi\u1ec3n th\u1ecb c\u00e1c \u0111\u1ec9nh s\u1ea1ch t\u1ea1i t\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c t\u00e1c \u0111\u1ed9ng l\u1eb7p l\u1ea1i, kh\u00f4ng c\u00f3 rung \u0111\u1ed9ng m\u00e1y t\u1ea7n th\u1ea5p m\u00e0 tr\u01b0\u1edbc \u0111\u00e2y che khu\u1ea5t ch\u00fang.<\/li>\n<\/ol>\n<h2>4. Ch\u1ea9n \u0111o\u00e1n S\u1ef1 c\u1ed1 b\u1eb1ng Ph\u1ed5 Bao<\/h2>\n<p>C\u00e1c \u0111\u1ec9nh trong ph\u1ed5 bao \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp v\u1edbi c\u00e1c t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n c\u1ee7a v\u00f2ng bi&#8217;s. <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-fault-frequencies\/\">t\u1ea7n s\u1ed1 l\u1ed7i \u1ed5 tr\u1ee5c<\/a>. B\u1eb1ng c\u00e1ch so kh\u1edbp m\u1ed9t \u0111\u1ec9nh \u0111\u01b0\u1ee3c \u0111o v\u1edbi m\u1ed9t t\u1ea7n s\u1ed1 \u0111\u00e3 bi\u1ebft, nh\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed l\u1ed7i:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bpfo\/\">BPFO<\/a> (T\u1ea7n s\u1ed1 v\u01b0\u1ee3t qua v\u00f2ng ngo\u00e0i):<\/strong> m\u1ed9t khi\u1ebfm khuy\u1ebft tr\u00ean v\u00e0nh ngo\u00e0i c\u1ed1 \u0111\u1ecbnh.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bpfi\/\">BPFI<\/a> (T\u1ea7n s\u1ed1 v\u01b0\u1ee3t qua v\u00f2ng trong):<\/strong> m\u1ed9t khi\u1ebfm khuy\u1ebft tr\u00ean v\u00e0nh trong quay. \u0110\u1ec9nh n\u00e0y th\u01b0\u1eddng mang theo <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sidebands\/\">d\u1ea3i b\u00ean<\/a> c\u00e1ch nhau 1\u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a> b\u1edfi v\u00ec khi\u1ebfm khuy\u1ebft chuy\u1ec3n \u0111\u1ed9ng v\u00e0o v\u00e0 ra kh\u1ecfi v\u00f9ng t\u1ea3i m\u1ed9t l\u1ea7n tr\u00ean m\u1ed7i v\u00f2ng quay.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bsf\/\">BSF<\/a> (T\u1ea7n s\u1ed1 quay c\u1ee7a bi):<\/strong> m\u1ed9t khi\u1ebfm khuy\u1ebft tr\u00ean ch\u00ednh c\u00e1c ph\u1ea7n t\u1eed l\u0103n.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/ftf\/\">FTF<\/a> (T\u1ea7n s\u1ed1 C\u01a1 b\u1ea3n C\u1ee7a T\u00e0u \u2014 Fundamental Train Frequency):<\/strong> ch\u1eadm nh\u1ea5t trong t\u1eadp h\u1ee3p, ch\u1ec9 ra l\u1ed7i trong l\u1ed3ng gi\u1eef c\u00e1c ph\u1ea7n t\u1eed l\u0103n.<\/li>\n<\/ul>\n<p>C\u00f9ng m\u1ed9t logic \u00e1p d\u1ee5ng cho truy\u1ec1n \u0111\u1ed9ng: m\u1ed9t r\u0103ng truy\u1ec1n b\u1ecb n\u1ee9t ho\u1eb7c g\u00e3y t\u00e1c \u0111\u1ed9ng m\u1ed9t l\u1ea7n tr\u00ean m\u1ed7i v\u00f2ng quay, v\u00ec v\u1eady ph\u1ed5 bao hi\u1ec3n th\u1ecb m\u1ed9t \u0111\u1ec9nh \u1edf t\u1ed1c \u0111\u1ed9 ch\u1ea1y c\u1ee7a truy\u1ec1n \u0111\u1ed9ng \u0111\u00f3, th\u01b0\u1eddng \u0111\u01b0\u1ee3c bao quanh b\u1edfi c\u00e1c d\u1ea3i b\u00ean. \u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1eddng k\u00ednh, s\u1ed1 bi v\u00e0 t\u1ed1c \u0111\u1ed9 v\u00f2ng bi th\u00e0nh c\u00e1c t\u1ea7n s\u1ed1 m\u1ee5c ti\u00eau ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi b\u1ea1n \u0111o, nh\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/bearing-defect-frequencies\/\">M\u00e1y t\u00ednh t\u1ea7n su\u1ea5t l\u1ed7i \u1ed5 tr\u1ee5c<\/a>; \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, s\u1ef1 <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/gear-mesh-frequency\/\">M\u00e1y t\u00ednh t\u1ea7n s\u1ed1 \u0103n kh\u1edbp b\u00e1nh r\u0103ng<\/a> ph\u1ee5c v\u1ee5 c\u00f9ng m\u1ed9t m\u1ee5c \u0111\u00edch. \u0110\u1ecdc m\u00f4 h\u00ecnh h\u00e0i l\u00e0 ch\u00ednh n\u00f3 m\u1ed9t h\u00ecnh th\u1ee9c c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-defects\/\">l\u1ed7i \u1ed5 tr\u1ee5c<\/a> ch\u1ea9n \u0111o\u00e1n: s\u1ed1 l\u01b0\u1ee3ng v\u00e0 chi\u1ec1u cao c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/harmonics\/\">s\u00f3ng h\u00e0i<\/a> trong ph\u1ed5 bao ph\u00f3ng \u0111\u1ea1i theo m\u1ee9c \u0111\u1ed9 t\u1ed5n th\u01b0\u01a1ng \u0111\u00e3 ti\u1ebfn tri\u1ec3n.<\/p>\n<h2>5. N\u01a1i Ph\u00e2n t\u00edch Bao Ph\u00f9 h\u1ee3p tr\u00ean Hi\u1ec7n tr\u01b0\u1eddng<\/h2>\n<p>Ph\u00e2n t\u00edch bao l\u00e0 kh\u1ea3 n\u0103ng c\u01a1 b\u1ea3n c\u1ee7a b\u1ea5t k\u1ef3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-monitoring\/\">gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng<\/a> ch\u01b0\u01a1ng tr\u00ecnh, v\u00e0 hi\u1ec7n \u0111\u1ea1i <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/portable-analyzer\/\">c\u00e1c thi\u1ebft b\u1ecb ph\u00e2n t\u00edch c\u1ea7m tay<\/a> t\u00ednh to\u00e1n n\u00f3 th\u01b0\u1eddng xuy\u00ean c\u00f9ng v\u1edbi ph\u1ed5 th\u00f4ng th\u01b0\u1eddng. Trong c\u00f4ng t\u00e1c th\u1ef1c \u0111\u1ecba h\u00e0ng ng\u00e0y, m\u1ed9t \u0111\u1ed9i b\u1ea3o tr\u00ec s\u1ebd th\u01b0\u1eddng \u0111\u1ebfn m\u00e1y m\u00f3c tr\u01b0\u1edbc ti\u00ean \u0111\u1ec3 c\u00e2n b\u1eb1ng n\u00f3 v\u00e0 ki\u1ec3m tra s\u1ee9c kh\u1ecfe t\u1ed5ng th\u1ec3: m\u1ed9t thi\u1ebft b\u1ecb nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> \u0111o l\u01b0\u1eddng rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 r\u1ed9ng v\u00e0 1\u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">bi\u00ean \u0111\u1ed9 v\u00e0 pha<\/a> c\u1ea7n thi\u1ebft cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/field-balancing\/\">c\u00e2n b\u1eb1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a>, trong khi m\u1ed9t k\u00eanh bao ph\u1ee7 b\u1ed5 sung x\u00e1c nh\u1eadn li\u1ec7u c\u00e1c v\u00f2ng bi b\u00ean d\u01b0\u1edbi c\u00f3 t\u1ed1t tr\u01b0\u1edbc khi c\u00f4ng vi\u1ec7c c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c k\u00fd ph\u00ea duy\u1ec7t. Ph\u00e1t hi\u1ec7n v\u1ea5n \u0111\u1ec1 v\u00f2ng bi tr\u01b0\u1edbc ti\u00ean r\u1ea5t quan tr\u1ecdng, v\u00ec c\u00e2n b\u1eb1ng m\u1ed9t m\u00e1y m\u00f3c c\u00f3 c\u00e1c v\u00f2ng bi \u0111\u00e3 b\u1eaft \u0111\u1ea7u bong tr\u00f3c ch\u1ec9 che gi\u1ea5u tri\u1ec7u ch\u1ee9ng.<\/p>\n<h2>6. S\u1ee9c M\u1ea1nh c\u1ee7a Ph\u00e1t Hi\u1ec7n S\u1edbm<\/h2>\n<p>\u01afu \u0111i\u1ec3m x\u00e1c \u0111\u1ecbnh c\u1ee7a ph\u00e2n t\u00edch bao ph\u1ee7 l\u00e0 \u0111\u1ed9 nh\u1ea1y thu\u1ea7n t\u00fay. N\u00f3 c\u00f3 th\u1ec3 c\u1ea3nh b\u00e1o m\u1ed9t l\u1ed7i v\u00f2ng bi ho\u1eb7c b\u00e1nh r\u0103ng h\u00e0ng th\u00e1ng \u2014 \u0111\u00f4i khi m\u1ed9t n\u0103m \u2014 tr\u01b0\u1edbc khi c\u00f9ng m\u1ed9t l\u1ed7i s\u1ebd ph\u00e1t tri\u1ec3n \u0111\u1ee7 l\u1edbn \u0111\u1ec3 hi\u1ec3n th\u1ecb trong ph\u1ed5 v\u1eadn t\u1ed1c th\u00f4ng th\u01b0\u1eddng ho\u1eb7c t\u1ecfa ra \u0111\u1ee7 nhi\u1ec7t \u0111\u1ec3 hi\u1ec3n th\u1ecb d\u01b0\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/thermography\/\">nhi\u1ec7t \u1ea3nh<\/a>. Kho\u1ea3ng th\u1eddi gian d\u1eabn \u0111\u00f3 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u mang l\u1ea1i cho <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/early-warning\/\">c\u1ea3nh b\u00e1o s\u1edbm<\/a> gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3: b\u1ea3o tr\u00ec c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eadp k\u1ebf ho\u1ea1ch, c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t h\u00e0ng, v\u00e0 vi\u1ec7c s\u1eeda ch\u1eefa c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o m\u1ed9t th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng thu\u1eadn ti\u1ec7n thay v\u00ec b\u1ecb bu\u1ed9c ph\u1ea3i ng\u1eebng \u0111\u1ed9t ng\u1ed9t. Trong b\u1ed1i c\u1ea3nh r\u1ed9ng h\u01a1n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/predictive-maintenance\/\">b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/a>, c\u1ea3nh b\u00e1o m\u1edf r\u1ed9ng m\u00e0 kh\u1eed \u0111i\u1ec1u ch\u1ebf cung c\u1ea5p l\u00e0 nh\u1eefng g\u00ec ng\u0103n ch\u1eb7n c\u00e1c h\u1ecfng h\u00f3c th\u1ea3m kh\u1ed1c v\u00e0 nh\u1eefng t\u1ed5n th\u1ea5t th\u1ee9 c\u1ea5p \u0111\u1eaft gi\u00e1 m\u00e0 ch\u00fang g\u00e2y ra.<\/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>T\u00ecm hi\u1ec3u v\u1ec1 ph\u00e2n t\u00edch bao (gi\u1ea3i \u0111i\u1ec1u ch\u1ebf), m\u1ed9t k\u1ef9 thu\u1eadt rung \u0111\u1ed9ng quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm l\u1ed7i \u1ed5 tr\u1ee5c v\u00e0 b\u00e1nh r\u0103ng b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-113","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/113","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\/113\/revisions"}],"predecessor-version":[{"id":101233,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/113\/revisions\/101233"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}