{"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\/sk\/glossary\/modal-analysis\/","title":{"rendered":"\u010co je mod\u00e1lna anal\u00fdza? (EMA, OMA)"},"content":{"rendered":"<h1>Pochopenie mod\u00e1lnej 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\/sk\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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\u00e1 s\u00faprava prenosn\u00e9ho vyva\u017eovacieho zariadenia a analyz\u00e1tora vibr\u00e1ci\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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/product\/balanset-1\/\" title=\"Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\u00ed Balanset-1A\">Prenosn\u00fd vyva\u017eova\u010d a analyz\u00e1tor vibr\u00e1ci\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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\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 vibr\u00e1ci\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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/vibration-sensor\/\" title=\"Sn\u00edma\u010d vibr\u00e1ci\u00ed\">Sn\u00edma\u010d vibr\u00e1ci\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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eVibration sensor\u201c\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">\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 tachometer)\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optick\u00fd senzor (laserov\u00fd tachometer)\">Optick\u00fd senzor (laserov\u00fd tachometer)<\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eOptical Sensor (Laser Tachometer)\u201c\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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=\"S\u00faprava na vyva\u017eovanie rotora Vibromera: prenosn\u00e9 puzdro, viackan\u00e1lov\u00fd prevodn\u00edk sign\u00e1lu, ru\u010dn\u00fd analyz\u00e1tor, magnetick\u00e1 z\u00e1klad\u0148a, vibra\u010dn\u00e9 senzory a \u0161pir\u00e1lov\u00e9 k\u00e1ble.\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eBalanset-4\u201c\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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\u00e1klad\u0148a.\" 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eMagnetic Stand Insize-60-kgf\u201c\" rel=\"nofollow\" data-success_message=\"\u201eMagnetic Stand Insize-60-kgf\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 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\u00e1 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\/sk\/product-category\/parts\/\" rel=\"tag\">Diely<\/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\/sk\/product\/reflective-tape\/\" title=\"Reflexn\u00e1 p\u00e1ska\">Reflexn\u00e1 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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eReflective tape\u201c\" rel=\"nofollow\" data-success_message=\"\u201eReflective tape\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\/sk\/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\/sk\/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 s\u00fapravy Balanset-1A s jednotkou rozhrania, sn\u00edma\u010dmi, tachometrom a pr\u00edslu\u0161enstvom\" 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\/sk\/product-category\/devices\/\" rel=\"tag\">Zariadenia<\/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\/sk\/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 (ak sa 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Prida\u0165 do ko\u0161\u00edka\" 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=\"\/sk\/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=\"Prida\u0165 do ko\u0161\u00edka: \u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201c bol pridan\u00fd do v\u00e1\u0161ho ko\u0161\u00edka\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Prida\u0165 do ko\u0161\u00edka<\/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\u00e1lna anal\u00fdza<\/strong> je proces sk\u00famania a charakteriz\u00e1cie vn\u00fatorn\u00fdch dynamick\u00fdch vlastnost\u00ed kon\u0161trukcie alebo mechanick\u00e9ho syst\u00e9mu. Tieto vlastnosti \u2014 jeho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/natural-frequency\/\">prirodzen\u00e9 frekvencie<\/a>, its <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/damping\/\">tlmenie<\/a> pomery a jeho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/mode-shape\/\">tvary m\u00f3du<\/a> \u2014 s\u00fa spolo\u010dne &#8220;mod\u00e1lnymi parametrami&#8221; syst\u00e9mu. Spolo\u010dne opisuj\u00fa jedine\u010dn\u00e9 sp\u00f4soby, ak\u00fdmi m\u00e1 kon\u0161trukcia prirodzen\u00fa tendenciu vibrova\u0165, ke\u010f je vyru\u0161en\u00e1. Tieto poznatky s\u00fa z\u00e1kladom: umo\u017e\u0148uj\u00fa in\u017einierom navrhova\u0165 kon\u0161trukcie, ktor\u00e9 odolaj\u00fa dynamick\u00fdm sil\u00e1m, a umo\u017e\u0148uj\u00fa im diagnostikova\u0165 a odstra\u0148ova\u0165 pretrv\u00e1vaj\u00face probl\u00e9my s vibr\u00e1ciami t\u00fdm, \u017ee presne odhalia, ktor\u00e1 vlastn\u00e1 frekvencia sa rozkmit\u00e1va. Tam, kde <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">vibra\u010dn\u00e9 spektrum<\/a> v\u00e1m hovor\u00ed, ak\u00e9 frekvencie be\u017eiaci stroj vytv\u00e1ra, mod\u00e1lna anal\u00fdza v\u00e1m hovor\u00ed, ktor\u00e9 frekvencie m\u00e1 \u0161trukt\u00fara sklon zosil\u0148ova\u0165 \u2014 a pr\u00e1ve tento rozdiel je k\u013e\u00fa\u010dom k pochopeniu <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/resonance\/\">rezonancia<\/a>.<\/p>\n<h2>1. Cie\u013e: Identifik\u00e1cia mod\u00e1lnych parametrov<\/h2>\n<p>Ka\u017ed\u00e1 \u0161trukt\u00fara m\u00e1 jedine\u010dn\u00fa sadu mod\u00e1lnych parametrov dan\u00fdch jej fyzik\u00e1lnou skladbou \u2014 jej hmotnos\u0165ou, tuhos\u0165ou a tlmen\u00edm. Cie\u013eom mod\u00e1lnej anal\u00fdzy je tieto parametre presne ur\u010di\u0165:<\/p>\n<ul>\n<li><strong>Vlastn\u00e9 frekvencie (rezonan\u010dn\u00e9 frekvencie):<\/strong> konkr\u00e9tne frekvencie, pri ktor\u00fdch \u0161trukt\u00fara po vybuden\u00ed kmit\u00e1 s najv\u00e4\u010d\u0161ou amplit\u00fadou. Ka\u017ed\u00e1 re\u00e1lna \u0161trukt\u00fara ich m\u00e1 mnoho, vzostupne usporiadan\u00fdch v rade.<\/li>\n<li><strong>Koeficienty tlmenia:<\/strong> miera toho, ako r\u00fdchlo kmitanie pri jednotliv\u00fdch vlastn\u00fdch tvaroch zanik\u00e1 \u2014 in\u00fdmi slovami, ko\u013eko energie \u0161trukt\u00fara rozpty\u013euje. Slab\u00e9 tlmenie znamen\u00e1 vysok\u00fd, \u00fazky rezonan\u010dn\u00fd vrchol; siln\u00e9 tlmenie znamen\u00e1 n\u00edzky a \u0161irok\u00fd.<\/li>\n<li><strong>Mode shapes:<\/strong> charakteristick\u00fd obrazec deform\u00e1cie, ktor\u00fd \u0161trukt\u00fara nadobudne, ke\u010f kmit\u00e1 na jednej zo svojich vlastn\u00fdch frekvenci\u00ed. Ka\u017ed\u00e1 vlastn\u00e1 frekvencia m\u00e1 svoj zodpovedaj\u00faci vlastn\u00fd tvar kmitu \u2014 prv\u00fd ohybov\u00fd tvar, torzn\u00fd tvar a tak \u010falej.<\/li>\n<\/ul>\n<p>S t\u00fdmito tromi veli\u010dinami v ruke dok\u00e1\u017ee in\u017einier predpoveda\u0165, ako bude \u0161trukt\u00fara reagova\u0165 v podstate na ak\u00e9ko\u013evek dynamick\u00e9 za\u0165a\u017eenie, s ktor\u00fdm sa po\u010das prev\u00e1dzky stretne, a dok\u00e1\u017ee predv\u00edda\u0165 probl\u00e9my sk\u00f4r, ne\u017e sa zabuduj\u00fa do samotn\u00e9ho hardv\u00e9ru.<\/p>\n<h3>Pre\u010do tieto tri parametre funguj\u00fa spolo\u010dne<\/h3>\n<p>\u017diadny jednotliv\u00fd parameter s\u00e1m o sebe nesta\u010d\u00ed. Vlastn\u00e1 frekvencia v\u00e1m povie, <em>kde<\/em> kde na frekven\u010dnej osi le\u017e\u00ed rezonancia; pomer tlmenia v\u00e1m povie, <em>ak\u00e9 z\u00e1va\u017en\u00e9<\/em> ak\u00e1 bude pri vybuden\u00ed; a vlastn\u00fd tvar kmitu v\u00e1m povie, <em>kde sa na kon\u0161trukcii<\/em> kde je pohyb najv\u00e4\u010d\u0161\u00ed \u2014 a teda kde ho sn\u00edma\u010d zachyt\u00ed, kde bude korekcia naj\u00fa\u010dinnej\u0161ia a kde sa nach\u00e1dza <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/nodal-point\/\">uzlov\u00fd bod<\/a> s takmer nulov\u00fdm pohybom. Pr\u00e1ve preto sa tieto parametre v\u017edy rozoberaj\u00fa ako celok.<\/p>\n<h2>2. Typy mod\u00e1lnej anal\u00fdzy<\/h2>\n<p>K mod\u00e1lnym parametrom \u0161trukt\u00fary ved\u00fa tri hlavn\u00e9 cesty: dve experiment\u00e1lne a jedna \u010disto v\u00fdpo\u010dtov\u00e1.<\/p>\n<h3>1. Experiment\u00e1lna mod\u00e1lna anal\u00fdza (EMA)<\/h3>\n<p>EMA \u2014 \u00fazko s\u00favisiaca s <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bump-test\/\">n\u00e1razov\u00fd test<\/a> \u2014 meria odozvu \u0161trukt\u00fary na zn\u00e1mu, riaden\u00fa vstupn\u00fa silu. Je to \u0161tandardn\u00e1 met\u00f3da na testovanie re\u00e1lneho hardv\u00e9ru. Postup prebieha takto:<\/p>\n<ol>\n<li>Vybu\u010fte \u0161trukt\u00faru meranou silou, zvy\u010dajne pomocou <strong>pr\u00edstrojov\u00e9 r\u00e1zov\u00e9 kladivo<\/strong> (jeho hrot nesie sn\u00edma\u010d sily) alebo pomocou <strong>elektrodynamick\u00fd budi\u010d vibr\u00e1ci\u00ed<\/strong>. Toto riaden\u00e9 budenie je podstatou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/impact-testing\/\">n\u00e1razov\u00e9 sk\u00fa\u0161ky<\/a>.<\/li>\n<li>Zmerajte vibra\u010dn\u00fa odozvu na jednom alebo viacer\u00fdch miestach pomocou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/accelerometer\/\">akcelerometre<\/a>.<\/li>\n<li>Compute the <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/frequency-response-function\/\">Funkcia frekven\u010dnej odozvy (FRF)<\/a> v ka\u017edom bode \u2014 pomer v\u00fdstupn\u00fdch vibr\u00e1ci\u00ed k vstupnej sile v z\u00e1vislosti od frekvencie.<\/li>\n<li>Pou\u017eite \u0161pecializovan\u00fd softv\u00e9r na prelo\u017eenie s\u00faboru FRF a z\u00edskanie vlastn\u00fdch frekvenci\u00ed, tlmenia a tvarov kmitania. Softv\u00e9r potom dok\u00e1\u017ee animova\u0165 ka\u017ed\u00fd tvar kmitania, tak\u017ee analytik doslova vid\u00ed, ako sa kon\u0161trukcia oh\u00fdba pri ka\u017edej vlastnej frekvencii.<\/li>\n<\/ol>\n<p>Ke\u010f\u017ee sa meria vstupn\u00e1 sila aj v\u00fdstupn\u00e1 odozva, EMA poskytuje plne \u0161k\u00e1lovan\u00e9 mod\u00e1lne parametre \u2014 naj\u00faplnej\u0161\u00ed dostupn\u00fd experiment\u00e1lny opis.<\/p>\n<h3>2. Opera\u010dn\u00e1 mod\u00e1lna anal\u00fdza (OMA)<\/h3>\n<p>OMA sa pou\u017e\u00edva vtedy, ke\u010f je aplik\u00e1cia riadenej sily nepraktick\u00e1 alebo nemo\u017en\u00e1, alebo ke\u010f je rozhoduj\u00face spr\u00e1vanie v re\u00e1lnych prev\u00e1dzkov\u00fdch podmienkach. Tu sa meria iba v\u00fdstupn\u00e1 odozva \u2014 op\u00e4\u0165 pomocou akcelerometrov \u2014 pri\u010dom kon\u0161trukcia je buden\u00e1 jej be\u017en\u00fdmi prev\u00e1dzkov\u00fdmi alebo okolit\u00fdmi silami: vietor p\u00f4sobiaci na most, vstupy z vozovky do karos\u00e9rie auta alebo pracovn\u00e9 sily vo vn\u00fatri be\u017eiaceho stroja. Pokro\u010dil\u00e9 algoritmy potom z d\u00e1t obsahuj\u00facich iba odozvu obnovia mod\u00e1lne parametre. Ide o n\u00e1ro\u010dnej\u0161\u00ed pr\u00edstup a tvary kmitania vych\u00e1dzaj\u00fa ne\u0161k\u00e1lovan\u00e9, no pri ve\u013ek\u00fdch kon\u0161trukci\u00e1ch v prev\u00e1dzke je \u010dasto jedin\u00fdm uskuto\u010dnite\u013en\u00fdm rie\u0161en\u00edm. OMA je koncep\u010dne bl\u00edzkym pr\u00edbuzn\u00fdm <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/ods-analysis\/\">anal\u00fdza tvaru prev\u00e1dzky (ODS)<\/a>, hoci ODS opisuje, ako sa kon\u0161trukcia v skuto\u010dnosti pohybuje pri danom prev\u00e1dzkovom stave, a nie z\u00edskava jej z\u00e1kladn\u00e9 m\u00f3dy.<\/p>\n<h3>3. Analytick\u00e1 mod\u00e1lna anal\u00fdza (FEA)<\/h3>\n<p>Toto je \u010disto teoretick\u00e1 cesta, postaven\u00e1 na po\u010d\u00edta\u010dovom modeli \u2014 naj\u010dastej\u0161ie <strong>Anal\u00fdza kone\u010dn\u00fdch prvkov (FEA)<\/strong>. In\u017einieri vytvoria virtu\u00e1lny model kon\u0161trukcie a softv\u00e9r predpoved\u00e1 jej mod\u00e1lne parametre e\u0161te predt\u00fdm, ne\u017e sa obrob\u00ed ak\u00fdko\u013evek kov. EMA sa n\u00e1sledne \u010dasto vykon\u00e1va na overenie a spresnenie modelu FEA, \u010d\u00edm sa uzatv\u00e1ra slu\u010dka medzi predpove\u010fou a meran\u00edm tak, aby sa bud\u00facim &#8220;what-if&#8221; anal\u00fdzam na modeli dalo d\u00f4verova\u0165.<\/p>\n<h2>3. Aplik\u00e1cie mod\u00e1lnej anal\u00fdzy<\/h2>\n<ul>\n<li><strong>Rie\u0161enie probl\u00e9mov rezonancie:<\/strong> z\u010faleka najbe\u017enej\u0161ia aplik\u00e1cia. Ke\u010f stroj nadmerne vibruje, mod\u00e1lna anal\u00fdza odhal\u00ed, \u010di vlastn\u00e1 frekvencia kon\u0161trukcie nie je buden\u00e1 prev\u00e1dzkovou silou, ako s\u00fa prev\u00e1dzkov\u00e9 ot\u00e1\u010dky alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-passing-frequency\/\">frekvencia prechodu \u010depele<\/a>.<\/li>\n<li><strong>Overenie kon\u0161trukcie:<\/strong> in\u017einieri potvrdia, \u017ee vlastn\u00e9 frekvencie nov\u00e9ho produktu s\u00fa dr\u017ean\u00e9 mimo zn\u00e1mych budiacich frekvenci\u00ed \u2014 ot\u00e1\u010dky motora, prechod lopatiek, z\u00e1ber ozuben\u00fdch kolies \u2014 tak\u017ee rezonancia sa nikdy nedostane do n\u00e1vrhu.<\/li>\n<li><strong>Kon\u0161truk\u010dn\u00e1 \u00faprava:<\/strong> po identifikovan\u00ed rezonancie umo\u017e\u0148uje mod\u00e1lny model \u0161t\u00fadie typu &#8220;\u010do ak&#8221;, ktor\u00e9 odpovedaj\u00fa na ot\u00e1zky ako &#8220;kam umiestni\u0165 v\u00fdstuhu, aby sa t\u00e1to vlastn\u00e1 frekvencia posunula vy\u0161\u0161ie?&#8221; e\u0161te pred vykonan\u00edm akejko\u013evek zmeny.<\/li>\n<li><strong>Monitorovanie stavu kon\u0161trukcie:<\/strong> posun mod\u00e1lnych parametrov v \u010dase m\u00f4\u017ee signalizova\u0165 vznikaj\u00face po\u0161kodenie \u2014 rast\u00faca <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/shaft-crack\/\">prasklina v hriadeli<\/a>, napr\u00edklad, zni\u017euje tuhos\u0165, a t\u00fdm aj zni\u017euje vlastn\u00fa frekvenciu.<\/li>\n<\/ul>\n<h2>4. Mod\u00e1lna anal\u00fdza a probl\u00e9m rezonancie<\/h2>\n<p>Praktick\u00fdm pr\u00ednosom toho v\u0161etk\u00e9ho je schopnos\u0165 odl\u00ed\u0161i\u0165 dve veci, ktor\u00e9 v spektre vyzeraj\u00fa rovnako, ale vy\u017eaduj\u00fa opa\u010dn\u00e9 rie\u0161enia: probl\u00e9m budiacej sily a probl\u00e9m rezonancie. Ak vysok\u00e9 vibr\u00e1cie poch\u00e1dzaj\u00fa z ve\u013ekej budiacej sily \u2014 napr\u00edklad zo zvy\u0161kovej <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> \u2014 rie\u0161en\u00edm je zn\u00ed\u017ei\u0165 silu. Ak poch\u00e1dzaj\u00fa zo \u0161trukt\u00fary, ktorej vlastn\u00e1 frekvencia n\u00e1hodou zhoduje s prev\u00e1dzkovou frekvenciou, zn\u00ed\u017eenie sily takmer nepom\u00f4\u017ee; rie\u0161en\u00edm je posun\u00fa\u0165 vlastn\u00fa frekvenciu zmenou hmotnosti alebo tuhosti, pr\u00edpadne prida\u0165 tlmenie. Mod\u00e1lna anal\u00fdza je n\u00e1stroj, ktor\u00fd v\u00e1m povie, v ktorej situ\u00e1cii sa nach\u00e1dzate. Stavy ako <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/structural-resonance\/\">\u0161truktur\u00e1lna rezonancia<\/a> a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/frame-resonance\/\">rezonancia r\u00e1mu<\/a> sa diagnostikuj\u00fa presne t\u00fdmto sp\u00f4sobom a pri strojoch s premenliv\u00fdmi ot\u00e1\u010dkami v\u00fdsledky \u010dasto sl\u00fa\u017eia ako vstup pre <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/campbell-diagram\/\">Campbellov diagram<\/a> ktor\u00fd mapuje, kde sa r\u00e1dy budenia kri\u017euj\u00fa s vlastn\u00fdmi frekvenciami v celom rozsahu ot\u00e1\u010dok.<\/p>\n<h2>5. Kde sa uplatn\u00ed meranie v ter\u00e9ne<\/h2>\n<p>\u00dapln\u00e9 viacbodov\u00e9 mod\u00e1lne testovanie je samostatn\u00e1 \u010dinnos\u0165, no in\u017einier spo\u013eahlivosti sa s n\u00edm na dielni \u010dasto stret\u00e1va v kompaktnej\u0161ej podobe: r\u00fdchly \u00faderov\u00fd test na zistenie podozrievanej vlastnej frekvencie e\u0161te pred t\u00fdm, ne\u017e sa pust\u00ed do vyva\u017eovania. Tento krok je d\u00f4le\u017eit\u00fd, preto\u017ee vyva\u017eovanie rotora, ktor\u00e9ho podporn\u00e1 \u0161trukt\u00fara je v rezonancii, sa len nah\u00e1\u0148a za vlastn\u00fdm chvostom \u2014 odozvu ur\u010duje \u0161trukt\u00fara, nie nevyv\u00e1\u017eenos\u0165. Prenosn\u00fd dvojkan\u00e1lov\u00fd pr\u00edstroj, ak\u00fdm je <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> umo\u017e\u0148uje in\u017einierovi zachyti\u0165 vibr\u00e1cie vo vlastn\u00fdch lo\u017eisk\u00e1ch stroja pri prev\u00e1dzkov\u00fdch ot\u00e1\u010dkach a overi\u0165, \u017ee prev\u00e1dzkov\u00e9 ot\u00e1\u010dky s\u00fa dostato\u010dne vzdialen\u00e9 od \u0161truktur\u00e1lnej vlastnej frekvencie, tak\u017ee n\u00e1sledn\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vyvazovanie-pola\/\">vyva\u017eovanie na mieste<\/a> skuto\u010dne rie\u0161i prav\u00fa pr\u00ed\u010dinu. Po vyl\u00fa\u010den\u00ed vplyvu kon\u0161trukcie ten ist\u00fd pr\u00edstroj zmeria amplit\u00fadu a f\u00e1zu zlo\u017eky 1\u00d7, potrebn\u00e9 na vyv\u00e1\u017eenie rotora a overenie v\u00fdsledku. T\u00fdmto sp\u00f4sobom sa \u0161irok\u00e1 discipl\u00edna mod\u00e1lnej anal\u00fdzy a cielen\u00e1 \u00faloha vyva\u017eovania vz\u00e1jomne dop\u013a\u0148aj\u00fa: prv\u00e1 zabezpe\u010duje, \u017ee rie\u0161ite spr\u00e1vny probl\u00e9m, druh\u00e1 ho rie\u0161i.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sk\/glossary\/\">\u2190 Sp\u00e4\u0165 na hlavn\u00fd index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Sprievodca mod\u00e1lnou anal\u00fdzou, procesom identifik\u00e1cie vlastn\u00fdch frekvenci\u00ed, tlmenia a tvarov m\u00f3dov kon\u0161trukcie. Z\u00edskajte inform\u00e1cie o experiment\u00e1lnej (EMA) a opera\u010dnej (OMA) mod\u00e1lnej anal\u00fdze.<\/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\/sk\/wp-json\/wp\/v2\/glossary\/163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/163\/revisions"}],"predecessor-version":[{"id":101290,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/163\/revisions\/101290"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=163"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}