{"id":20635,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/blade-passing-frequency\/"},"modified":"2026-05-23T22:30:55","modified_gmt":"2026-05-23T22:30:55","slug":"blade-passing-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/vi\/glossary\/blade-passing-frequency\/","title":{"rendered":"T\u1ea7n s\u1ed1 v\u01b0\u1ee3t qua c\u1ee7a l\u01b0\u1ee1i dao (BPF) trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng"},"content":{"rendered":"<h1>T\u1ea7n s\u1ed1 v\u01b0\u1ee3t qua c\u1ee7a l\u01b0\u1ee1i dao (BPF) trong ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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\/20635?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>T\u1ea7n s\u1ed1 v\u01b0\u1ee3t qua c\u1ee7a l\u01b0\u1ee1i dao (BPF)<\/strong> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 n\u1ed5i b\u1eadt \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong \u0111\u1eb7c tr\u01b0ng dao \u0111\u1ed9ng c\u1ee7a c\u00e1c m\u00e1y m\u00f3c kh\u00ed \u0111\u1ed9ng h\u1ecdc v\u00e0 th\u1ee7y \u0111\u1ed9ng h\u1ecdc nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fan-defects\/\">qu\u1ea1t<\/a>, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/pump-defects\/\">m\u00e1y b\u01a1m<\/a>, qu\u1ea1t th\u1ed5i v\u00e0 m\u00e1y n\u00e9n. Ch\u1ec9 s\u1ed1 n\u00e0y th\u1ec3 hi\u1ec7n t\u1ed1c \u0111\u1ed9 m\u00e0 c\u00e1c c\u00e1nh qu\u1ea1t ho\u1eb7c c\u00e1nh h\u01b0\u1edbng d\u00f2ng c\u1ee7a b\u00e1nh c\u00f4ng t\u00e1c \u0111i qua m\u1ed9t \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh \u2014 m\u1ed9t c\u00e1nh c\u1eaft (ho\u1eb7c c\u00e1nh ch\u1eafn n\u01b0\u1edbc), m\u1ed9t b\u1ed9 khu\u1ebfch t\u00e1n, ho\u1eb7c v\u1ecb tr\u00ed c\u1ee7a c\u1ea3m bi\u1ebfn. M\u1ed7i l\u1ea7n c\u00e1nh qu\u1ea1t \u0111i qua \u0111\u1ec1u t\u1ea1o ra m\u1ed9t dao \u0111\u1ed9ng \u00e1p su\u1ea5t ri\u00eang bi\u1ec7t, v\u00e0 t\u1ed5ng h\u1ee3p c\u1ee7a c\u00e1c dao \u0111\u1ed9ng n\u00e0y t\u1ea1o ra m\u1ed9t \u0111\u1ec9nh rung \u0111\u1ed9ng r\u00f5 r\u00e0ng, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c, m\u00e0 nh\u00e0 ph\u00e2n t\u00edch c\u00f3 th\u1ec3 t\u00ednh to\u00e1n tr\u01b0\u1edbc v\u00e0 theo d\u00f5i theo th\u1eddi gian. V\u00ec BPF c\u00f3 m\u1ed1i li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a> v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u01b0\u1ee1i, \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u00f3 gi\u00e1 tr\u1ecb ch\u1ea9n \u0111o\u00e1n cao nh\u1ea5t trong <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5 rung \u0111\u1ed9ng<\/a> c\u1ee7a b\u1ea5t k\u1ef3 m\u00e1y m\u00f3c n\u00e0o c\u00f3 l\u01b0\u1ee1i dao.<\/p>\n<h2>1. \u0110\u1ecbnh ngh\u0129a: T\u1ea7n s\u1ed1 truy\u1ec1n l\u01b0\u1ee1i l\u00e0 g\u00ec?<\/h2>\n<p>BPF ph\u00e1t sinh t\u1eeb s\u1ef1 t\u01b0\u01a1ng t\u00e1c c\u01a1 b\u1ea3n v\u1ec1 kh\u00ed \u0111\u1ed9ng h\u1ecdc ho\u1eb7c th\u1ee7y l\u1ef1c, ch\u1ee9 kh\u00f4ng ph\u1ea3i do l\u1ed7i c\u01a1 h\u1ecdc. Khi m\u1ed7i c\u00e1nh qu\u1ea1t l\u01b0\u1edbt qua m\u1ed9t v\u1eadt c\u1ea3n c\u1ed1 \u0111\u1ecbnh \u2014 th\u01b0\u1eddng l\u00e0 ph\u1ea7n c\u1eaft h\u00ecnh xo\u1eafn \u1ed1c c\u1ee7a b\u01a1m ho\u1eb7c ph\u1ea7n l\u01b0\u1ee1i c\u1ee7a v\u1ecf qu\u1ea1t \u2014 n\u00f3 s\u1ebd n\u00e9n ch\u1ea5t l\u1ecfng trong ch\u1ed1c l\u00e1t r\u1ed3i gi\u1ea3i ph\u00f3ng, t\u1ea1o ra m\u1ed9t xung \u00e1p su\u1ea5t truy\u1ec1n v\u00e0o v\u1ecf m\u00e1y v\u00e0 k\u1ebft c\u1ea5u xung quanh. L\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh n\u00e0y cho m\u1ed7i c\u00e1nh qu\u1ea1t, m\u1ed7i v\u00f2ng quay, v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t \u00e2m thanh \u1ed5n \u0111\u1ecbnh v\u1edbi t\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ho\u00e0n to\u00e0n b\u1edfi s\u1ed1 l\u01b0\u1ee3ng c\u00e1nh qu\u1ea1t v\u00e0 t\u1ed1c \u0111\u1ed9 quay c\u1ee7a ch\u00fang. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao BPF \u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ea7n s\u1ed1 \u0111i qua c\u00e1nh qu\u1ea1t tr\u00ean m\u00e1y b\u01a1m: nguy\u00ean l\u00fd v\u1eadt l\u00fd l\u00e0 gi\u1ed1ng h\u1ec7t nhau cho d\u00f9 b\u1ed9 ph\u1eadn c\u00f3 c\u00e1nh qu\u1ea1t l\u00e0 r\u00f4to qu\u1ea1t hay c\u00e1nh qu\u1ea1t m\u00e1y b\u01a1m. N\u00f3 thu\u1ed9c h\u1ecd <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/aerodynamic-forces\/\">l\u1ef1c kh\u00ed \u0111\u1ed9ng h\u1ecdc<\/a> and <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/hydraulic-forces\/\">l\u1ef1c th\u1ee7y \u0111\u1ed9ng<\/a> g\u00e2y ra s\u1ef1 k\u00edch th\u00edch cho m\u00e1y m\u00f3c trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng.<\/p>\n<h2>2. C\u00e1ch t\u00ednh t\u1ea7n s\u1ed1 qu\u00e9t c\u1ee7a c\u00e1nh qu\u1ea1t<\/h2>\n<p>BPF r\u1ea5t d\u1ec5 t\u00ednh to\u00e1n; n\u00f3 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u00edch c\u1ee7a t\u1ed1c \u0111\u1ed9 quay c\u1ee7a m\u00e1y v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00e1nh qu\u1ea1t ho\u1eb7c c\u00e1nh h\u01b0\u1edbng tr\u00ean b\u00e1nh c\u00f4ng t\u00e1c c\u1ee7a m\u00e1y:<\/p>\n<blockquote><p><strong>BPF = S\u1ed1 l\u01b0\u1ee3ng c\u00e1nh qu\u1ea1t \u00d7 T\u1ed1c \u0111\u1ed9 quay<\/strong><\/p><\/blockquote>\n<p>V\u00ed d\u1ee5, m\u1ed9t chi\u1ebfc qu\u1ea1t c\u00f3 7 c\u00e1nh quay v\u1edbi t\u1ed1c \u0111\u1ed9 1.800 v\u00f2ng\/ph\u00fat c\u00f3 gi\u00e1 tr\u1ecb BPF l\u00e0:<\/p>\n<p>BPF = 7 c\u00e1nh \u00d7 1.800 v\u00f2ng\/ph\u00fat = 12.600 chu k\u1ef3\/ph\u00fat<\/p>\n<p>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb n\u00e0y sang hertz (Hz), h\u00e3y chia cho 60:<\/p>\n<p>BPF = 12.600 CPM \u00f7 60 = 210 Hz<\/p>\n<p>M\u1ed9t \u0111i\u1ec3m tinh t\u1ebf c\u1ea7n l\u01b0u \u00fd: khi s\u1ed1 l\u01b0\u1ee3ng c\u00e1nh qu\u1ea1t v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ch\u01b0\u1edbng ng\u1ea1i v\u1eadt c\u1ed1 \u0111\u1ecbnh c\u00f3 chung m\u1ed9t \u01b0\u1edbc s\u1ed1, m\u00f4 h\u00ecnh dao \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 s\u1ebd thay \u0111\u1ed5i; do \u0111\u00f3, m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf c\u1ed1 \u00fd s\u1eed d\u1ee5ng s\u1ed1 l\u01b0\u1ee3ng c\u00e1nh qu\u1ea1t l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t c\u00e1nh c\u1eaft duy nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o BPF duy tr\u00ec d\u1ea1ng \u0111\u1ec9nh r\u00f5 r\u00e0ng v\u00e0 t\u00e1ch bi\u1ec7t. N\u1ebfu b\u1ea1n kh\u00f4ng mu\u1ed1n t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng cho t\u1eebng m\u00e1y tr\u00ean tuy\u1ebfn \u0111\u01b0\u1eddng, ph\u1ea7n m\u1ec1m mi\u1ec5n ph\u00ed c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/blade-pass-frequency\/\">M\u00e1y t\u00ednh t\u1ea7n s\u1ed1 c\u00e1nh \u0111i qua<\/a> chuy\u1ec3n \u0111\u1ed5i s\u1ed1 l\u01b0\u1ee3ng l\u01b0\u1ee1i dao v\u00e0 t\u1ed1c \u0111\u1ed9 tr\u1ef1c ti\u1ebfp th\u00e0nh BPF, v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/harmonic-frequency-calculator\/\">M\u00e1y t\u00ednh t\u1ea7n s\u1ed1 h\u00e0i<\/a> tr\u00ecnh b\u00e0y th\u1ee9 t\u1ef1 t\u1ed1c \u0111\u1ed9 ch\u1ea1y \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn ra v\u1ecb tr\u00ed c\u1ee7a BPF v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/harmonics\/\">s\u00f3ng h\u00e0i<\/a> s\u1ebd ti\u1ebfp \u0111\u1ea5t so v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/p>\n<h2>3. T\u1ea1i sao BPF l\u1ea1i quan tr\u1ecdng trong ch\u1ea9n \u0111o\u00e1n m\u00e1y m\u00f3c?<\/h2>\n<p>Rung \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 quay c\u1ee7a c\u00e1nh qu\u1ea1t l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh b\u00ecnh th\u01b0\u1eddng v\u00e0 d\u1ec5 hi\u1ec3u c\u1ee7a b\u1ea5t k\u1ef3 m\u00e1y m\u00f3c n\u00e0o s\u1eed d\u1ee5ng c\u00e1nh qu\u1ea1t \u0111\u1ec3 di chuy\u1ec3n kh\u00f4ng kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng \u2014 vi\u1ec7c xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 c\u1ed1. \u0110i\u1ec1u quan tr\u1ecdng trong ch\u1ea9n \u0111o\u00e1n l\u00e0 <em>bi\u00ean \u0111\u1ed9<\/em> \u1edf t\u1ea7n s\u1ed1 \u0111\u00f3, v\u1ed1n l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 nh\u1ea1y c\u1ea3m ph\u1ea3n \u00e1nh t\u00ecnh tr\u1ea1ng c\u01a1 kh\u00ed v\u00e0 kh\u00ed \u0111\u1ed9ng h\u1ecdc c\u1ee7a m\u00e1y. S\u1ef1 gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 bi\u00ean \u0111\u1ed9 BPF, ho\u1eb7c s\u1ef1 xu\u1ea5t hi\u1ec7n \u0111\u1ed9t ng\u1ed9t c\u1ee7a c\u00e1c s\u00f3ng h\u00e0i m\u1ea1nh, th\u01b0\u1eddng b\u00e1o hi\u1ec7u m\u1ed9t s\u1ef1 c\u1ed1 \u0111ang h\u00ecnh th\u00e0nh t\u1eeb r\u1ea5t l\u00e2u tr\u01b0\u1edbc khi n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t s\u1ef1 c\u1ed1 h\u1ecfng h\u00f3c. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao bi\u00ean \u0111\u1ed9 BPF l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 h\u00e0ng \u0111\u1ea7u c\u1ea7n \u0111\u01b0\u1ee3c theo d\u00f5i \u0111\u1ecbnh k\u1ef3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/trending\/\">xu h\u01b0\u1edbng<\/a> trong m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/condition-monitoring\/\">gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng<\/a> ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n<h2>4. C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p \u0111\u01b0\u1ee3c ch\u1ec9 ra b\u1edfi bi\u00ean \u0111\u1ed9 BPF cao<\/h2>\n<p>M\u1ee9c \u0111\u1ed9 rung \u0111\u1ed9ng t\u0103ng cao \u1edf t\u1ea7n s\u1ed1 1\u00d7BPF ho\u1eb7c c\u00e1c b\u1ed9i s\u1ed1 c\u1ee7a n\u00f3 (2\u00d7BPF, 3\u00d7BPF, v.v.) c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3 sau:<\/p>\n<ul>\n<li><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u00ed \u0111\u1ed9ng h\u1ecdc ho\u1eb7c th\u1ee7y l\u1ef1c:<\/strong> D\u00f2ng ch\u1ea3y kh\u00f4ng \u0111\u1ec1u ho\u1eb7c nhi\u1ec5u lo\u1ea1n t\u1ea1i c\u1eeda v\u00e0o ho\u1eb7c c\u1eeda ra l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh, xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1c t\u1eafc ngh\u1ebdn, h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c vi\u1ec7c v\u1eadn h\u00e0nh m\u00e1y \u1edf ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng xa \u0111i\u1ec3m hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u (BEP). \u0110\u1ed1i v\u1edbi m\u00e1y b\u01a1m, t\u00ecnh tr\u1ea1ng n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/cavitation\/\">s\u1ef1 t\u1ea1o b\u1ecdt<\/a> ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/recirculation\/\">t\u00e1i tu\u1ea7n ho\u00e0n<\/a> khi \u0111i\u1ec3m ho\u1ea1t \u0111\u1ed9ng l\u1ec7ch qu\u00e1 xa.<\/li>\n<li><strong>S\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng c\u1ee7a r\u00f4-to ho\u1eb7c c\u00e1nh qu\u1ea1t:<\/strong> m\u1eb7c d\u00f9 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> hi\u1ec7n ra ch\u1ee7 y\u1ebfu \u1edf t\u1ed1c \u0111\u1ed9 ch\u1ea1y 1\u00d7; s\u1ef1 ph\u00e2n b\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra t\u1ea3i tr\u1ecdng kh\u00f4ng \u0111\u1ec1u l\u00ean c\u00e1nh qu\u1ea1t, t\u1eeb \u0111\u00f3 l\u00e0m t\u0103ng BPF.<\/li>\n<li><strong>H\u01b0 h\u1ecfng ho\u1eb7c m\u00f2n l\u01b0\u1ee1i dao:<\/strong> L\u01b0\u1ee1i dao b\u1ecb n\u1ee9t, cong, s\u1ee9t m\u1ebb ho\u1eb7c m\u00f2n s\u1ebd l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c dao \u0111\u1ed9ng \u00e1p su\u1ea5t \u0111\u1ec1u \u0111\u1eb7n, d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng \u0111\u00e1ng k\u1ec3 c\u1ee7a dao \u0111\u1ed9ng BPF \u2014 m\u1ed9t h\u1eadu qu\u1ea3 th\u01b0\u1eddng g\u1eb7p c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/impeller-defects\/\">l\u1ed7i c\u00e1nh qu\u1ea1t<\/a>.<\/li>\n<li><strong>Kho\u1ea3ng c\u00e1ch kh\u00f4ng \u0111\u00fang quy \u0111\u1ecbnh:<\/strong> V\u1ecb tr\u00ed r\u00f4-to l\u1ec7ch t\u00e2m b\u00ean trong v\u1ecf m\u00e1y, ho\u1eb7c kho\u1ea3ng h\u1edf kh\u00f4ng \u0111\u00fang gi\u1eefa \u0111\u1ea7u c\u00e1nh qu\u1ea1t v\u00e0 v\u1ecf m\u00e1y, s\u1ebd t\u1ea1o ra c\u00e1c xung \u00e1p su\u1ea5t l\u1edbn khi c\u00e1c c\u00e1nh qu\u1ea1t qu\u00e9t qua \u0111i\u1ec3m h\u1eb9p nh\u1ea5t. \u0110i\u1ec1u n\u00e0y c\u00f3 m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/eccentricity\/\">s\u1ef1 l\u1eadp d\u1ecb<\/a> trong c\u1ea5u tr\u00fac h\u00ecnh h\u1ecdc c\u1ee7a v\u1ecf rotor.<\/li>\n<li><strong>C\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac:<\/strong> n\u1ebfu t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n (BPF) ho\u1eb7c m\u1ed9t trong c\u00e1c t\u1ea7n s\u1ed1 h\u00e0i c\u1ee7a n\u00f3 tr\u00f9ng v\u1edbi m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/natural-frequency\/\">t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/a> c\u1ee7a m\u00e1y, h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn ho\u1eb7c n\u1ec1n m\u00f3ng c\u1ee7a n\u00f3, \u0111\u1ed9 rung s\u1ebd b\u1ecb khu\u1ebfch \u0111\u1ea1i \u0111\u00e1ng k\u1ec3 qua <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/structural-resonance\/\">c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac<\/a>.<\/li>\n<\/ul>\n<h2>5. C\u00e1c s\u00f3ng h\u00e0i c\u1ee7a t\u1ea7n s\u1ed1 qu\u00e9t l\u01b0\u1ee1i (2\u00d7BPF, 3\u00d7BPF)<\/h2>\n<p>S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n h\u00e0i BPF m\u1ea1nh th\u01b0\u1eddng cho th\u1ea5y m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng h\u01a1n, ho\u1eb7c m\u1ed9t xung \u00e1p su\u1ea5t trong d\u00f2ng ch\u1ea3y c\u00f3 d\u1ea1ng nh\u1ecdn h\u01a1n v\u00e0 \u00edt mang t\u00ednh sin h\u01a1n. M\u1ed9t c\u00e1nh qu\u1ea1t b\u1ecb cong nghi\u00eam tr\u1ecdng ho\u1eb7c m\u1ed9t v\u1eadt c\u1ea3n \u0111\u00e1ng k\u1ec3 n\u1eb1m g\u1ea7n b\u00e1nh c\u00f4ng t\u00e1c s\u1ebd t\u1ea1o ra m\u1ed9t xung l\u1ec7ch kh\u1ecfi s\u00f3ng sin thu\u1ea7n t\u00fay; trong mi\u1ec1n t\u1ea7n s\u1ed1, \u0111i\u1ec1u n\u00e0y chuy\u1ec3n th\u00e0nh nhi\u1ec1u s\u00f3ng h\u00e0i v\u01b0\u1ee3t l\u00ean tr\u00ean ti\u1ebfng \u1ed3n. Do \u0111\u00f3, vi\u1ec7c \u0111\u1ecdc c\u00e1c \u0111\u1ed9 cao t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a 1\u00d7BPF, 2\u00d7BPF v\u00e0 3\u00d7BPF s\u1ebd gi\u00fap nh\u00e0 ph\u00e2n t\u00edch c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 \u201c\u0111\u1ec9nh\u201d v\u00e0 m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a s\u1ef1 x\u00e1o tr\u1ed9n ti\u1ec1m \u1ea9n.<\/p>\n<h2>6. C\u00e1c k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch<\/h2>\n<p>Vi\u1ec7c ch\u1ea9n \u0111o\u00e1n c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn BPF tu\u00e2n theo m\u1ed9t tr\u00ecnh t\u1ef1 r\u00f5 r\u00e0ng:<\/p>\n<ol>\n<li><strong>T\u00ednh to\u00e1n BPF:<\/strong> Tr\u01b0\u1edbc ti\u00ean, h\u00e3y x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb l\u00fd thuy\u1ebft d\u1ef1a tr\u00ean s\u1ed1 c\u00e1nh qu\u1ea1t v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u00e3 bi\u1ebft, \u0111\u1ec3 b\u1ea1n bi\u1ebft ch\u00ednh x\u00e1c c\u1ea7n t\u00ecm \u1edf \u0111\u00e2u.<\/li>\n<li><strong>Ph\u00e2n t\u00edch ph\u1ed5:<\/strong> xem x\u00e9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/fft\/\">FFT<\/a> ph\u1ed5 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1ec9nh t\u1ea1i t\u1ea7n s\u1ed1 1\u00d7BPF v\u00e0 c\u00e1c h\u00e0i \u00e2m c\u1ee7a n\u00f3, \u0111\u1ed3ng th\u1eddi \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 n\u1ed5i b\u1eadt c\u1ee7a ch\u00fang so v\u1edbi n\u1ec1n nhi\u1ec5u b\u0103ng r\u1ed9ng.<\/li>\n<li><strong>Xu h\u01b0\u1edbng:<\/strong> so s\u00e1nh bi\u00ean \u0111\u1ed9 BPF hi\u1ec7n t\u1ea1i v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb trong qu\u00e1 kh\u1ee9 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/baseline\/\">\u0111\u01b0\u1eddng c\u01a1 s\u1edf<\/a> d\u1eef li\u1ec7u; s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t ho\u1eb7c t\u1eeb t\u1eeb l\u00e0 d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng cho th\u1ea5y t\u00ecnh h\u00ecnh \u0111ang x\u1ea5u \u0111i.<\/li>\n<li><strong>Ph\u00e2n t\u00edch pha:<\/strong> v\u1edbi m\u00e1y ph\u00e2n t\u00edch hai k\u00eanh, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> C\u00e1c k\u1ebft qu\u1ea3 \u0111o gi\u00fap ph\u00e2n bi\u1ec7t v\u1ea5n \u0111\u1ec1 b\u1eaft ngu\u1ed3n t\u1eeb chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a r\u00f4to v\u1edbi v\u1ea5n \u0111\u1ec1 b\u1eaft ngu\u1ed3n t\u1eeb k\u1ebft c\u1ea5u.<\/li>\n<\/ol>\n<p>Ch\u00ednh \u1edf b\u01b0\u1edbc cu\u1ed1i c\u00f9ng n\u00e0y, m\u1ed9t thi\u1ebft b\u1ecb hai k\u00eanh th\u1ef1c s\u1ef1 m\u1edbi ch\u1ee9ng t\u1ecf \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb c\u1ee7a m\u00ecnh trong th\u1ef1c t\u1ebf. M\u1ed9t m\u00e1y ph\u00e2n t\u00edch v\u00e0 c\u00e2n b\u1eb1ng di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> \u0111o \u0111\u1ed3ng th\u1eddi bi\u00ean \u0111\u1ed9 v\u00e0 pha tr\u00ean hai k\u00eanh \u1edf t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, gi\u00fap k\u1ef9 s\u01b0 x\u00e1c \u0111\u1ecbnh li\u1ec7u \u0111\u1ec9nh t\u0103ng cao g\u1ea7n b\u1ed9 l\u1ecdc th\u00f4ng d\u1ea3i (BPF) c\u00f3 th\u1ef1c s\u1ef1 do t\u00e1c \u0111\u1ed9ng kh\u00ed \u0111\u1ed9ng h\u1ecdc hay th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t 1\u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/imbalance\/\">s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng<\/a> \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/balancing\/\">c\u00e2n b\u1eb1ng<\/a> c\u00e1nh qu\u1ea1t \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed. B\u1eb1ng c\u00e1ch theo d\u00f5i t\u1ea7n su\u1ea5t quay c\u1ee7a c\u00e1nh qu\u1ea1t m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng, c\u00e1c \u0111\u1ed9i b\u1ea3o tr\u00ec c\u00f3 th\u1ec3 thu th\u1eadp \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb quay quan tr\u1ecdng v\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c s\u1ef1 c\u1ed1 ti\u1ec1m \u1ea9n tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y 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 T\u1ea7n s\u1ed1 chuy\u1ec3n \u0111\u1ed9ng c\u00e1nh qu\u1ea1t (BPF) v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n s\u1ef1 c\u1ed1 \u1edf qu\u1ea1t, b\u01a1m v\u00e0 m\u00e1y n\u00e9n. Hi\u1ec3u c\u00f4ng th\u1ee9c t\u00ednh BPF v\u00e0 \u0111\u1ed9 rung BPF cao bi\u1ec3u th\u1ecb \u0111i\u1ec1u g\u00ec.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-20635","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/20635","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\/20635\/revisions"}],"predecessor-version":[{"id":101254,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/20635\/revisions\/101254"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=20635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=20635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=20635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}