{"id":163,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/modal-analysis\/"},"modified":"2026-05-23T22:37:13","modified_gmt":"2026-05-23T22:37:13","slug":"modal-analysis","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/cs\/glossary\/modal-analysis\/","title":{"rendered":"Co je mod\u00e1ln\u00ed anal\u00fdza? (EMA, OMA)"},"content":{"rendered":"<h1>Pochopen\u00ed mod\u00e1ln\u00ed anal\u00fdzy<\/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\/cs\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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=\"Kompletn\u00ed sada p\u0159enosn\u00e9ho vyva\u017eova\u010de a analyz\u00e1toru vibrac\u00ed 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/balanset-1\/\" title=\"P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed Balanset-1A\">P\u0159enosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibrac\u00ed 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">\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=\"Sn\u00edma\u010d vibrac\u00ed Balanset-1A zbl\u00edzka\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibrac\u00ed\">Sn\u00edma\u010d vibrac\u00ed<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">\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=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)\">Optick\u00fd senzor (laserov\u00fd ot\u00e1\u010dkom\u011br)<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/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=\"Sada pro vyva\u017eov\u00e1n\u00ed rotor\u016f Vibromera: p\u0159epravn\u00ed kuf\u0159\u00edk, v\u00edcekan\u00e1lov\u00fd zesilova\u010d sign\u00e1lu, ru\u010dn\u00ed analyz\u00e1tor, magnetick\u00e1 z\u00e1kladna, vibra\u010dn\u00ed senzory a spir\u00e1lov\u00e9 kabely.\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan 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=\"Magnetick\u00e1 z\u00e1kladna.\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/magnet-stand\/\" title=\"Magnetick\u00fd stojan Insize-60 kgf\">Magnetick\u00fd stojan 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">\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=\"Reflexn\u00ed p\u00e1ska\" 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\/cs\/product-category\/parts\/\" rel=\"tag\">D\u00edly<\/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\/cs\/product\/reflective-tape\/\" title=\"Reflexn\u00ed p\u00e1ska\">Reflexn\u00ed p\u00e1ska<\/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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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\/cs\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; 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=\"Obsah sady Balanset-1A s jednotkou rozhran\u00ed, senzory, ot\u00e1\u010dkom\u011brem a p\u0159\u00edslu\u0161enstv\u00edm\" 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\/cs\/product-category\/devices\/\" rel=\"tag\">Za\u0159\u00edzen\u00ed<\/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\/cs\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamick\u00fd vyva\u017eova\u010d &quot;Balanset-1A&quot; OEM\">Dynamick\u00fd vyva\u017eova\u010d \"Balanset-1A\" 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> + DPH (pokud se uplat\u0148uje)<\/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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"P\u0159idat do ko\u0161\u00edku\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"P\u0159idat do ko\u0161\u00edku\" 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=\"\/cs\/wp-json\/wp\/v2\/glossary\/163?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"P\u0159idat do ko\u0161\u00edku: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d byl p\u0159id\u00e1n do ko\u0161\u00edku\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">P\u0159idat do ko\u0161\u00edku<\/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>Mod\u00e1ln\u00ed anal\u00fdza<\/strong> je proces studia a charakterizace inherentn\u00edch dynamick\u00fdch vlastnost\u00ed konstrukce nebo mechanick\u00e9ho syst\u00e9mu. Tyto vlastnosti \u2014 jeho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/natural-frequency\/\">vlastn\u00ed frekvence<\/a>, its <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/damping\/\">tlumen\u00ed<\/a> pom\u011bry a jeho <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/mode-shape\/\">vlastn\u00ed tvary<\/a> \u2014 jsou souhrnn\u011b ozna\u010dov\u00e1ny jako &#8220;mod\u00e1ln\u00ed parametry&#8221; dan\u00e9ho syst\u00e9mu. Spole\u010dn\u011b popisuj\u00ed jedine\u010dn\u00e9 zp\u016fsoby, jak\u00fdmi bude konstrukce p\u0159irozen\u011b tendovat k vibrac\u00edm p\u0159i naru\u0161en\u00ed. Tyto znalosti jsou z\u00e1kladn\u00ed: umo\u017e\u0148uj\u00ed in\u017een\u00fdr\u016fm navrhovat konstrukce, kter\u00e9 odol\u00e1vaj\u00ed dynamick\u00fdm sil\u00e1m, a umo\u017e\u0148uj\u00ed jim diagnostikovat a odstra\u0148ovat p\u0159etrv\u00e1vaj\u00edc\u00ed probl\u00e9my s vibracemi t\u00edm, \u017ee p\u0159esn\u011b odhal\u00ed, kter\u00e1 p\u0159irozen\u00e1 frekvence je buzena. Kde <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/spectrum\/\">vibra\u010dn\u00ed spektrum<\/a> sd\u011bluje, jak\u00e9 frekvence provozovan\u00fd stroj produkuje; mod\u00e1ln\u00ed anal\u00fdza \u0159\u00edk\u00e1, kter\u00e9 frekvence je konstrukce predisponov\u00e1na zesilovat \u2014 a pr\u00e1v\u011b toto rozli\u0161en\u00ed je kl\u00ed\u010dem k pochopen\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/resonance\/\">rezonance<\/a>.<\/p>\n<h2>1. C\u00edl: identifikace mod\u00e1ln\u00edch parametr\u016f<\/h2>\n<p>Ka\u017ed\u00e1 konstrukce m\u00e1 jedine\u010dnou sadu mod\u00e1ln\u00edch parametr\u016f danou jej\u00edm fyzick\u00fdm slo\u017een\u00edm \u2014 hmotnost\u00ed, tuhost\u00ed a tlumen\u00edm. C\u00edlem mod\u00e1ln\u00ed anal\u00fdzy je tyto parametry p\u0159esn\u011b ur\u010dit:<\/p>\n<ul>\n<li><strong>Vlastn\u00ed frekvence (rezonan\u010dn\u00ed frekvence):<\/strong> konkr\u00e9tn\u00ed frekvence, p\u0159i nich\u017e konstrukce kmit\u00e1 s nejv\u011bt\u0161\u00ed amplitudou p\u0159i buzen\u00ed. Ka\u017ed\u00e1 re\u00e1ln\u00e1 konstrukce jich m\u00e1 mnoho, stoupaj\u00edc\u00edch v \u0159ad\u011b.<\/li>\n<li><strong>Pom\u011bry tlumen\u00ed:<\/strong> m\u00edra toho, jak rychle dozn\u00edv\u00e1 vibrace v ka\u017ed\u00e9m m\u00f3du \u2014 jin\u00fdmi slovy, kolik energie konstrukce disipuje. Mal\u00e9 tlumen\u00ed znamen\u00e1 vysok\u00fd, \u00fazk\u00fd rezonan\u010dn\u00ed vrchol; velk\u00e9 tlumen\u00ed znamen\u00e1 n\u00edzk\u00fd, \u0161irok\u00fd vrchol.<\/li>\n<li><strong>Mode shapes:<\/strong> charakteristick\u00fd tvar deformace, kter\u00fd konstrukce zauj\u00edm\u00e1 p\u0159i kmit\u00e1n\u00ed na jedn\u00e9 ze sv\u00fdch vlastn\u00edch frekvenc\u00ed. Ka\u017ed\u00e1 vlastn\u00ed frekvence m\u00e1 sv\u016fj odpov\u00eddaj\u00edc\u00ed tvar kmitu \u2014 prvn\u00ed ohybov\u00fd m\u00f3d, torzn\u00ed m\u00f3d a podobn\u011b.<\/li>\n<\/ul>\n<p>S t\u011bmito t\u0159emi veli\u010dinami m\u016f\u017ee in\u017een\u00fdr p\u0159edpov\u011bd\u011bt, jak konstrukce zareaguje na prakticky jak\u00e9koli dynamick\u00e9 zat\u00ed\u017een\u00ed, s n\u00edm\u017e se v provozu setk\u00e1, a p\u0159edv\u00eddat probl\u00e9my d\u0159\u00edve, ne\u017e budou zabudov\u00e1ny do hardwaru.<\/p>\n<h3>Pro\u010d t\u0159i parametry spolupracuj\u00ed<\/h3>\n<p>\u017d\u00e1dn\u00fd jednotliv\u00fd parametr s\u00e1m o sob\u011b nesta\u010d\u00ed. Vlastn\u00ed frekvence \u0159\u00edk\u00e1, kde <em>kde<\/em> rezonance le\u017e\u00ed na frekven\u010dn\u00ed ose; pom\u011br tlumen\u00ed \u0159\u00edk\u00e1, <em>jak z\u00e1va\u017en\u00e9<\/em> jak\u00e1 bude p\u0159i buzen\u00ed; a tvar kmitu \u0159\u00edk\u00e1, kde <em>kde na konstrukci<\/em> je pohyb nejv\u011bt\u0161\u00ed \u2014 a tedy kde jej sn\u00edma\u010d zaznamen\u00e1, kde bude korekce nej\u00fa\u010dinn\u011bj\u0161\u00ed a kde le\u017e\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/nodal-point\/\">uzlov\u00fd bod<\/a> uzlov\u00fd bod s t\u00e9m\u011b\u0159 nulov\u00fdm pohybem. Proto se parametry v\u017edy uv\u00e1d\u011bj\u00ed jako celek.<\/p>\n<h2>2. Typy mod\u00e1ln\u00ed anal\u00fdzy<\/h2>\n<p>Existuj\u00ed t\u0159i hlavn\u00ed cesty k mod\u00e1ln\u00edm parametr\u016fm konstrukce: dv\u011b experiment\u00e1ln\u00ed a jedna \u010dist\u011b v\u00fdpo\u010detn\u00ed.<\/p>\n<h3>1. Experiment\u00e1ln\u00ed mod\u00e1ln\u00ed anal\u00fdza (EMA)<\/h3>\n<p>EMA \u2014 \u00fazce spjat\u00e1 s <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/bump-test\/\">n\u00e1razov\u00fd test<\/a> \u2014 m\u011b\u0159\u00ed odezvu konstrukce na zn\u00e1mou, \u0159\u00edzenou bud\u00edc\u00ed s\u00edlu. Jedn\u00e1 se o standardn\u00ed metodu zkou\u0161en\u00ed re\u00e1ln\u00e9ho hardwaru. Postup je n\u00e1sleduj\u00edc\u00ed:<\/p>\n<ol>\n<li>Vzbu\u010fte konstrukci m\u011b\u0159enou silou, zpravidla pomoc\u00ed <strong>instrumentovan\u00e9 r\u00e1zov\u00e9 kladivo<\/strong> (jeho hrot nese silov\u00fd sn\u00edma\u010d) nebo pomoc\u00ed <strong>elektrodynamick\u00fd buzi\u010d<\/strong>. Toto \u0159\u00edzen\u00e9 buzen\u00ed je podstatou <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/impact-testing\/\">n\u00e1razov\u00e9 zkou\u0161ky<\/a>.<\/li>\n<li>Zm\u011b\u0159te odezvu vibrac\u00ed na jednom nebo v\u00edce m\u00edstech pomoc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/accelerometer\/\">akcelerometry<\/a>.<\/li>\n<li>Compute the <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/frequency-response-function\/\">Funkce frekven\u010dn\u00ed odezvy (FRF)<\/a> v ka\u017ed\u00e9m bod\u011b \u2014 pom\u011br v\u00fdstupn\u00edch vibrac\u00ed k vstupn\u00ed s\u00edle v z\u00e1vislosti na frekvenci.<\/li>\n<li>Pomoc\u00ed specializovan\u00e9ho softwaru prolo\u017ete sadu frekven\u010dn\u00edch p\u0159enosov\u00fdch funkc\u00ed a extrahujte vlastn\u00ed frekvence, tlumen\u00ed a tvary vlastn\u00edch tvar\u016f kmitu. Software pak m\u016f\u017ee ka\u017ed\u00fd tvar vlastn\u00edho kmitu animovat, tak\u017ee analytik doslova vid\u00ed, jak se konstrukce proh\u00fdb\u00e1 p\u0159i ka\u017ed\u00e9 vlastn\u00ed frekvenci.<\/li>\n<\/ol>\n<p>Proto\u017ee jsou m\u011b\u0159eny jak vstupn\u00ed s\u00edla, tak v\u00fdstupn\u00ed odezva, poskytuje EMA pln\u011b \u0161k\u00e1lovan\u00e9 mod\u00e1ln\u00ed parametry \u2014 nej\u00fapln\u011bj\u0161\u00ed dostupn\u00fd experiment\u00e1ln\u00ed popis.<\/p>\n<h3>2. Opera\u010dn\u00ed mod\u00e1ln\u00ed anal\u00fdza (OMA)<\/h3>\n<p>OMA se pou\u017e\u00edv\u00e1 tehdy, je-li p\u0159ilo\u017een\u00ed \u0159\u00edzen\u00e9 s\u00edly nepraktick\u00e9 nebo nemo\u017en\u00e9, nebo kdy\u017e z\u00e1le\u017e\u00ed na chov\u00e1n\u00ed za skute\u010dn\u00fdch provozn\u00edch podm\u00ednek. Zde se m\u011b\u0159\u00ed pouze v\u00fdstupn\u00ed odezva \u2014 op\u011bt pomoc\u00ed akcelerometr\u016f \u2014 zat\u00edmco konstrukce je buzena sv\u00fdmi norm\u00e1ln\u00edmi provozn\u00edmi nebo okoln\u00edmi silami: v\u00edtr na most\u011b, vstupy vozovky do karoserie automobilu nebo pracovn\u00ed s\u00edly uvnit\u0159 b\u011b\u017e\u00edc\u00edho stroje. Pokro\u010dil\u00e9 algoritmy pak z dat obsahuj\u00edc\u00edch pouze odezvu rekonstruuj\u00ed mod\u00e1ln\u00ed parametry. Jde o n\u00e1ro\u010dn\u011bj\u0161\u00ed p\u0159\u00edstup a tvary vlastn\u00edch tvar\u016f kmitu vych\u00e1zej\u00ed ne\u0161kalovan\u00e9, av\u0161ak pro rozs\u00e1hl\u00e9 konstrukce v provozu je to \u010dasto jedin\u00fd provediteln\u00fd zp\u016fsob. OMA je koncep\u010dn\u011b bl\u00edzk\u00fdm p\u0159\u00edbuzn\u00fdm <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/ods-analysis\/\">anal\u00fdza provozn\u00edho tvaru deformace (ODS)<\/a>, p\u0159i\u010dem\u017e ODS popisuje, jak se konstrukce skute\u010dn\u011b pohybuje p\u0159i dan\u00e9m provozn\u00edm stavu, nikoli extrahuje jej\u00ed z\u00e1kladn\u00ed vlastn\u00ed tvary kmitu.<\/p>\n<h3>3. Analytick\u00e1 mod\u00e1ln\u00ed anal\u00fdza (FEA)<\/h3>\n<p>Toto je \u010dist\u011b teoretick\u00fd p\u0159\u00edstup, postaven\u00fd na po\u010d\u00edta\u010dov\u00e9m modelu \u2014 nej\u010dast\u011bji <strong>Anal\u00fdza kone\u010dn\u00fdch prvk\u016f (FEA)<\/strong>. In\u017een\u00fd\u0159i vytvo\u0159\u00ed virtu\u00e1ln\u00ed model konstrukce a software p\u0159edpov\u00ed jej\u00ed mod\u00e1ln\u00ed parametry je\u0161t\u011b p\u0159ed t\u00edm, ne\u017e je zpracov\u00e1n jak\u00fdkoli kov. EMA se n\u00e1sledn\u011b \u010dasto prov\u00e1d\u00ed za \u00fa\u010delem validace a zp\u0159esn\u011bn\u00ed modelu MKP, \u010d\u00edm\u017e se uzav\u00edr\u00e1 smy\u010dka mezi p\u0159edpov\u011bd\u00ed a m\u011b\u0159en\u00edm tak, aby bylo mo\u017en\u00e9 d\u016fv\u011b\u0159ovat budouc\u00edm studi\u00edm &#8220;co kdyby&#8221; prov\u00e1d\u011bn\u00fdm na modelu.<\/p>\n<h2>3. Aplikace mod\u00e1ln\u00ed anal\u00fdzy<\/h2>\n<ul>\n<li><strong>Diagnostika rezonan\u010dn\u00edch probl\u00e9m\u016f:<\/strong> zdaleka nejb\u011b\u017en\u011bj\u0161\u00ed aplikace. Pokud stroj nadm\u011brn\u011b vibruje, mod\u00e1ln\u00ed anal\u00fdza odhal\u00ed, zda je struktur\u00e1ln\u00ed vlastn\u00ed frekvence buzena provozn\u00ed silou, jako je ot\u00e1\u010dkov\u00e1 rychlost nebo <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/blade-passing-frequency\/\">frekvence pr\u016fchodu lopatky<\/a>.<\/li>\n<li><strong>Validace n\u00e1vrhu:<\/strong> in\u017een\u00fd\u0159i ov\u011b\u0159\u00ed, \u017ee vlastn\u00ed frekvence nov\u00e9ho v\u00fdrobku jsou dostate\u010dn\u011b vzd\u00e1leny od zn\u00e1m\u00fdch bud\u00edc\u00edch frekvenc\u00ed \u2014 ot\u00e1\u010dky motoru RPM, pr\u016fchod lopatky, z\u00e1b\u011br ozuben\u00ed \u2014 aby nebyla rezonance zabudov\u00e1na do n\u00e1vrhu.<\/li>\n<li><strong>Konstruk\u010dn\u00ed \u00faprava:<\/strong> jakmile je rezonance identifikov\u00e1na, mod\u00e1ln\u00ed model umo\u017e\u0148uje studie &#8220;co kdyby&#8221;, kter\u00e9 zodpov\u00eddaj\u00ed ot\u00e1zky jako &#8220;kam um\u00edstit v\u00fdztuhu, aby se tato vlastn\u00ed frekvence posunula v\u00fd\u0161e?&#8221; je\u0161t\u011b p\u0159ed proveden\u00edm jak\u00e9koli zm\u011bny.<\/li>\n<li><strong>Monitorov\u00e1n\u00ed stavu konstrukce:<\/strong> zm\u011bna mod\u00e1ln\u00edch parametr\u016f v \u010dase m\u016f\u017ee signalizovat vznikaj\u00edc\u00ed po\u0161kozen\u00ed \u2014 rostouc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/shaft-crack\/\">prasklina v h\u0159\u00eddeli<\/a>, nap\u0159\u00edklad sni\u017euje tuhost a t\u00edm p\u00e1dem sni\u017euje vlastn\u00ed frekvenci.<\/li>\n<\/ul>\n<h2>4. Mod\u00e1ln\u00ed anal\u00fdza a probl\u00e9m rezonance<\/h2>\n<p>Praktick\u00fd p\u0159\u00ednos toho v\u0161eho spo\u010d\u00edv\u00e1 ve schopnosti rozli\u0161it dv\u011b v\u011bci, kter\u00e9 vypadaj\u00ed na spektru identicky, ale vy\u017eaduj\u00ed opa\u010dn\u00e9 n\u00e1pravn\u00e9 opat\u0159en\u00ed: probl\u00e9m bud\u00edc\u00ed s\u00edly a probl\u00e9m rezonance. Pokud vysok\u00e9 vibrace poch\u00e1zej\u00ed z velk\u00e9 bud\u00edc\u00ed s\u00edly \u2014 nap\u0159\u00edklad zbytkov\u00e9 <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/unbalance\/\">nevyv\u00e1\u017eenost<\/a> \u2014 \u0159e\u0161en\u00edm je sn\u00ed\u017eit tuto s\u00edlu. Pokud poch\u00e1zej\u00ed z konstrukce, jej\u00ed\u017e vlastn\u00ed frekvence se n\u00e1hodou shoduje s provozn\u00ed frekvenc\u00ed, sn\u00ed\u017een\u00ed s\u00edly t\u00e9m\u011b\u0159 nepom\u016f\u017ee; \u0159e\u0161en\u00edm je posunout vlastn\u00ed frekvenci zm\u011bnou hmotnosti nebo tuhosti, nebo p\u0159idat tlumen\u00ed. Mod\u00e1ln\u00ed anal\u00fdza je n\u00e1stroj, kter\u00fd v\u00e1m \u0159ekne, ve kter\u00e9 situaci se nach\u00e1z\u00edte. Stavy jako <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/structural-resonance\/\">struktur\u00e1ln\u00ed rezonance<\/a> a <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/frame-resonance\/\">rezonance r\u00e1mu<\/a> se diagnostikuj\u00ed p\u0159esn\u011b t\u00edmto zp\u016fsobem, a u stroj\u016f s prom\u011bnlivou rychlost\u00ed v\u00fdsledky \u010dasto vstupuj\u00ed do <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/campbell-diagram\/\">Campbell\u016fv diagram<\/a> kter\u00e1 mapuje, kde \u0159\u00e1dy buzen\u00ed k\u0159\u00ed\u017e\u00ed vlastn\u00ed frekvence v cel\u00e9m rozsahu ot\u00e1\u010dek.<\/p>\n<h2>5. Kde se uplat\u0148uje ter\u00e9nn\u00ed m\u011b\u0159en\u00ed<\/h2>\n<p>Komplexn\u00ed v\u00edcekan\u00e1lov\u00e9 mod\u00e1ln\u00ed testov\u00e1n\u00ed je samostatnou odbornou \u010dinnost\u00ed, av\u0161ak technik spolehlivosti se s n\u00edm setk\u00e1v\u00e1 i v kompaktn\u011bj\u0161\u00ed podob\u011b p\u0159\u00edmo v provozu: rychl\u00fd n\u00e1razov\u00fd test k odhalen\u00ed p\u0159edpokl\u00e1dan\u00e9 vlastn\u00ed frekvence p\u0159ed zah\u00e1jen\u00edm vyva\u017eov\u00e1n\u00ed. Tento krok je d\u016fle\u017eit\u00fd, proto\u017ee vyva\u017eov\u00e1n\u00ed rotoru, jeho\u017e nosn\u00e1 konstrukce je v rezonanci, nevede k c\u00edli \u2014 odezva je dominov\u00e1na konstrukc\u00ed, nikoli nev\u00fdva\u017ekem. P\u0159enosn\u00fd dvoukan\u00e1lov\u00fd p\u0159\u00edstroj, jako je <a href=\"https:\/\/vibromera.eu\/cs\/produkt\/balanset-1\/\">Balanset-1A<\/a> umo\u017e\u0148uje technikovi zachytit vibrace ve vlastn\u00edch lo\u017eisc\u00edch stroje za provozn\u00ed rychlosti a ov\u011b\u0159it, \u017ee provozn\u00ed ot\u00e1\u010dky se nach\u00e1zej\u00ed dostate\u010dn\u011b daleko od vlastn\u00ed frekvence nosn\u00e9 konstrukce, tak\u017ee n\u00e1sleduj\u00edc\u00ed <a href=\"https:\/\/vibromera.eu\/cs\/glossary\/vyrovnavani-poli\/\">vyva\u017eov\u00e1n\u00ed na m\u00edst\u011b<\/a> skute\u010dn\u011b \u0159e\u0161\u00ed prav\u00fd zdroj probl\u00e9mu. Jakmile je vliv konstrukce vylou\u010den, tent\u00fd\u017e p\u0159\u00edstroj zm\u011b\u0159\u00ed amplitudu a f\u00e1zi slo\u017eky 1\u00d7 pot\u0159ebn\u00e9 k vyv\u00e1\u017een\u00ed rotoru a ov\u011b\u0159en\u00ed v\u00fdsledku. T\u00edmto zp\u016fsobem se \u0161irok\u00e1 discipl\u00edna mod\u00e1ln\u00ed anal\u00fdzy a soust\u0159ed\u011bn\u00fd \u00fakol vyva\u017eov\u00e1n\u00ed vz\u00e1jemn\u011b dopl\u0148uj\u00ed: prvn\u00ed zaji\u0161\u0165uje, \u017ee \u0159e\u0161\u00edte spr\u00e1vn\u00fd probl\u00e9m, druh\u00e1 jej \u0159e\u0161\u00ed.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/cs\/glossary\/\">\u2190 Zp\u011bt na hlavn\u00ed index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Pr\u016fvodce mod\u00e1ln\u00ed anal\u00fdzou, procesem identifikace vlastn\u00edch frekvenc\u00ed, \u00fatlumu a tvar\u016f m\u00f3d\u016f konstrukce. Seznamte se s experiment\u00e1ln\u00ed (EMA) a opera\u010dn\u00ed (OMA) mod\u00e1ln\u00ed anal\u00fdzou.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-163","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/163\/revisions"}],"predecessor-version":[{"id":101290,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/glossary\/163\/revisions\/101290"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}