{"id":75,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/cepstrum\/"},"modified":"2026-05-23T22:41:05","modified_gmt":"2026-05-23T22:41:05","slug":"cepstrum","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/sk\/glossary\/cepstrum\/","title":{"rendered":"Vysvetlenie anal\u00fdzy kepstra vo vibra\u010dnej diagnostike"},"content":{"rendered":"<h1>Anal\u00fdza kepstra vo vibra\u010dnej diagnostike<\/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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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\/75?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>Anal\u00fdza kepstra<\/strong> je pokro\u010dil\u00e1 technika spracovania sign\u00e1lu, ktor\u00e1 odha\u013euje periodick\u00fa \u0161trukt\u00faru <em>v r\u00e1mci<\/em> frekven\u010dn\u00e9ho spektra. N\u00e1zov &#8220;cepstrum&#8221; je anagramom slova &#8220;spektrum,&#8221; a t\u00e1to slovn\u00e1 hra\u010dka presne vystihuje jeho podstatu: v skuto\u010dnosti ide o &#8220;spektrum spektra.&#8221; Vypo\u010d\u00edta sa tak, \u017ee sa vezme logaritmus frekven\u010dn\u00e9ho <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectrum\/\">spektrum<\/a> a n\u00e1sledne sa na v\u00fdsledok aplikuje inverzn\u00e1 Fourierova transform\u00e1cia, \u010do je krok, ktor\u00fd opakuj\u00face sa vzory \u2014 cel\u00e9 skupiny <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/harmonics\/\">harmonick\u00e9<\/a> alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/sidebands\/\">bo\u010dn\u00e9 p\u00e1sma<\/a> \u2014 zl\u00fa\u010di do jednotliv\u00fdch, \u013eahko \u010ditate\u013en\u00fdch vrcholov, ktor\u00e9 mo\u017eno v surovom spektre len \u0165a\u017eko rozpozna\u0165. Pri zlo\u017eit\u00fdch strojoch, ako s\u00fa prevodovky, prin\u00e1\u0161a preh\u013eadnos\u0165, ktor\u00fa be\u017en\u00e9 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/fft\/\">R\u00fdchla premena funkcie (FFT)<\/a> anal\u00fdza \u010dasto nem\u00f4\u017ee.<\/p>\n<p>V cepstr\u00e1lnom grafe sa os x naz\u00fdva <strong>quefrency<\/strong> (anagram slova frequency) a m\u00e1 jednotky \u010dasu. Vrcholy pozd\u013a\u017e tejto osi, naz\u00fdvan\u00e9 <strong>rahmonika<\/strong>, ud\u00e1vaj\u00fa peri\u00f3du \u2014 v sekund\u00e1ch \u2014 opakuj\u00facich sa vzorov pr\u00edtomn\u00fdch v p\u00f4vodnom spektre. Z\u00e1merne preusporiadan\u00e1 terminol\u00f3gia (cepstrum, quefrency, rahmonics) je trvalou pripomienkou toho, \u017ee t\u00e1to technika pracuje v oblasti vzdialenej o jednu transform\u00e1ciu od tej zn\u00e1mej.<\/p>\n<h2>1. Pre\u010do pou\u017e\u00edva\u0165 cepstr\u00e1lnu anal\u00fdzu?<\/h2>\n<p>\u0160tandardn\u00e9 FFT spektrum je vynikaj\u00face na identifik\u00e1ciu jednotliv\u00fdch frekven\u010dn\u00fdch zlo\u017eiek, no m\u00f4\u017ee sa sta\u0165 preplnen\u00fdm a \u0165a\u017eko \u010ditate\u013en\u00fdm, ke\u010f porucha naraz generuje mnoho harmonick\u00fdch a postrann\u00fdch p\u00e1siem. Cepstr\u00e1lna anal\u00fdza t\u00fato nepreh\u013eadnos\u0165 prekon\u00e1va t\u00fdm, \u017ee cel\u00fa skupinu rovnomerne rozmiestnen\u00fdch frekvenci\u00ed zl\u00fa\u010di do jedn\u00e9ho jasn\u00e9ho vrcholu. Jej hlavn\u00e9 vyu\u017eitia s\u00fa:<\/p>\n<ul>\n<li><strong>Detekcia harmonick\u00fdch rod\u00edn:<\/strong> identifikuje z\u00e1kladn\u00fa frekvenciu a jej harmonick\u00e9 aj vtedy, ke\u010f je samotn\u00e1 z\u00e1kladn\u00e1 frekvencia v spektre slab\u00e1 alebo \u00faplne ch\u00fdba.<\/li>\n<li><strong>Identifik\u00e1cia bo\u010dn\u00fdch p\u00e1smov\u00fdch rod\u00edn:<\/strong> vynik\u00e1 pri h\u013eadan\u00ed postrann\u00fdch p\u00e1siem, ktor\u00e9 maj\u00fa n\u00edzku amplit\u00fadu a s\u00fa skryt\u00e9 v \u0161ume, pri\u010dom jasne ukazuje ich pr\u00edtomnos\u0165 a meria ich rozstup.<\/li>\n<li><strong>Oddelenie \u00fa\u010dinkov zdroja a prenosovej cesty:<\/strong> v niektor\u00fdch aplik\u00e1ci\u00e1ch pom\u00e1ha oddeli\u0165 sign\u00e1l zdroja vibr\u00e1ci\u00ed od \u0161trukt\u00farnej odozvy stroja, ktor\u00e1 ho ovplyv\u0148uje.<\/li>\n<li><strong>Detekcia ozveny:<\/strong> dok\u00e1\u017ee rozpozna\u0165 ozveny alebo odrazy v r\u00e1mci sign\u00e1lu.<\/li>\n<\/ul>\n<p>K\u013e\u00fa\u010dovou my\u0161lienkou je premena: pravideln\u00e9 <em>rozstupy<\/em> vo frekven\u010dnej oblasti \u2014 povedzme postrann\u00e9 p\u00e1sma ka\u017ed\u00fdch 30 Hz \u2014 sa st\u00e1va jedin\u00fdm <em>position<\/em> v oblasti quefrency (tu rahmonika pri 1\/30 = 0,033 s). Mnoho roztr\u00fasen\u00fdch vrcholov r\u00f4znej v\u00fd\u0161ky sa tak redukuje na jeden merate\u013en\u00fd prvok.<\/p>\n<h2>2. K\u013e\u00fa\u010dov\u00e9 aplik\u00e1cie v diagnostike strojov<\/h2>\n<h3>2.1 Diagnostika prevodovky<\/h3>\n<p>Toto je najbe\u017enej\u0161ie a naj\u00fa\u010dinnej\u0161ie pou\u017eitie. Po\u0161koden\u00fd zub ozuben\u00e9ho kolesa moduluje <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/gear-mesh-frequency\/\">frekvencia z\u00e1beru ozuben\u00fdch kolies<\/a> (GMF), \u010d\u00edm vytv\u00e1ra postrann\u00e9 p\u00e1sma okolo vrcholu GMF rozmiestnen\u00e9 v rytme ot\u00e1\u010dacej frekvencie chybn\u00e9ho ozuben\u00e9ho kolesa. V prevodovke s viacer\u00fdmi hriade\u013emi a p\u00e1rmi ozuben\u00fdch kolies sa spektrum st\u00e1va m\u00e4t\u00facou zmesou r\u00f4znych GMF a ich postrann\u00fdch p\u00e1siem. Kepstrum t\u00fato zlo\u017eitos\u0165 prere\u017ee:<\/p>\n<ul>\n<li>Vrchol pri kvefrencii zodpovedaj\u00facej ot\u00e1\u010dacej peri\u00f3de ozuben\u00e9ho kolesa (1 \/ RPM) je jasn\u00fdm ukazovate\u013eom poruchy na tomto konkr\u00e9tnom ozubenom kolese, ktor\u00fd ur\u010duje chybn\u00fd hriade\u013e namiesto toho, aby len potvrdil &#8220;probl\u00e9m s ozuben\u00fdm kolesom&#8221;.<\/li>\n<li>Amplit\u00fadu tohto kepstr\u00e1lneho vrcholu mo\u017eno sledova\u0165 v trende a monitorova\u0165 tak, ako sa <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/gear-wear\/\">opotrebovanie v\u00fdstroja<\/a> postupne sa vyv\u00edja v \u010dase.<\/li>\n<\/ul>\n<p>Dop\u013a\u0148a sk\u00f4r ako nahr\u00e1dza priame spektr\u00e1lne spracovanie: a <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/gear-mesh-frequency\/\">Kalkul\u00e1tor frekvencie z\u00e1beru ozuben\u00fdch kolies<\/a> v\u00e1m povie, ktor\u00e9 frekvencie z\u00e1beru a postrann\u00fdch p\u00e1siem m\u00e1te o\u010dak\u00e1va\u0165, a kepstrum potom potvrd\u00ed, ktor\u00e1 rodina v skuto\u010dnosti narast\u00e1. Oba pr\u00edstupy prispievaj\u00fa k \u00faplnej\u0161ej diagnostike <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/gear-defects\/\">chyby prevodov\u00e9ho stup\u0148a<\/a>.<\/p>\n<h3>2.2 Anal\u00fdza valiv\u00fdch lo\u017e\u00edsk<\/h3>\n<p>Poruchy lo\u017e\u00edsk tie\u017e generuj\u00fa postrann\u00e9 p\u00e1sma. Porucha na vn\u00fatornom kr\u00fa\u017eku napr\u00edklad vytv\u00e1ra postrann\u00e9 p\u00e1sma rozmiestnen\u00e9 v rytme ot\u00e1\u010dok hriade\u013ea okolo frekvencie poruchy vn\u00fatorn\u00e9ho kr\u00fa\u017eku (<a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bpfi\/\">BPFI<\/a>) a jej harmonick\u00fdch zlo\u017eiek. Kepstrum pom\u00e1ha tieto vzory potvrdi\u0165, najm\u00e4 ke\u010f nie s\u00fa v spektre zrejm\u00e9. V praxi pracuje spolo\u010dne s predpovedanou <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/bearing-fault-frequencies\/\">frekvencie por\u00fach lo\u017e\u00edsk<\/a> \u2014 ktor\u00fa mo\u017eno \u013eahko z\u00edska\u0165 z <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/bearing-defect-frequencies\/\">Kalkul\u00e1tor defektnej frekvencie lo\u017eiska<\/a> \u2014 a \u010dasto sa kombinuje s <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/envelope-analysis\/\">anal\u00fdza ob\u00e1lky<\/a>, ktor\u00e1 demoduluje vysokofrekven\u010dn\u00e9 r\u00e1zy, ktor\u00e9 poruchy lo\u017e\u00edsk vybudzuj\u00fa.<\/p>\n<h3>2.3 Anal\u00fdza turbostrojov<\/h3>\n<p>V turb\u00ednach a kompresoroch dok\u00e1\u017ee kepstrum identifikova\u0165 <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/blade-passing-frequency\/\">frekvencia prechodu lopatky<\/a> harmonick\u00e9 zlo\u017eky a pom\u00f4c\u0165 diagnostikova\u0165 po\u0161kodenie lopatiek alebo <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/aerodynamic-forces\/\">aerodynamick\u00e9<\/a> probl\u00e9my, kde by inak mnoh\u00e9 tesne rozmiestnen\u00e9 harmonick\u00e9 zlo\u017eky s\u00favisiace s lopatkami zaplnili spektrum.<\/p>\n<h2>3. Ako interpretova\u0165 kepstr\u00e1lny graf<\/h2>\n<p>Disciplinovan\u00e9 \u010d\u00edtanie prebieha v \u0161tyroch krokoch:<\/p>\n<ol>\n<li><strong>Najprv vypo\u010d\u00edtajte rota\u010dn\u00e9 peri\u00f3dy:<\/strong> pred poh\u013eadom na kepstrum vypo\u010d\u00edtajte \u010dasov\u00e9 peri\u00f3dy hlavn\u00fdch rotuj\u00facich komponentov. Pre hriade\u013e pri 1800 RPM (30 Hz) je peri\u00f3da 1\/30 = 0,033 s. A <a href=\"https:\/\/vibromera.eu\/sk\/calculators\/harmonic-frequency-calculator\/\">Kalkul\u00e1tor harmonick\u00fdch frekvenci\u00ed<\/a> ur\u00fdchli prevody z RPM na Hz pre ka\u017ed\u00fd hriade\u013e v s\u00fastave.<\/li>\n<li><strong>H\u013eadajte vrcholy pri zn\u00e1mych peri\u00f3dach:<\/strong> presk\u00famajte kepstrum a h\u013eadajte v\u00fdznamn\u00e9 rahmonick\u00e9 zlo\u017eky, ktor\u00e9 sa zhoduj\u00fa s vypo\u010d\u00edtan\u00fdmi peri\u00f3dami, ke\u010f\u017ee vrchol pri zn\u00e1mej peri\u00f3de priamo poukazuje na zn\u00e1my komponent.<\/li>\n<li><strong>Identifikujte harmonick\u00fa \u0161trukt\u00faru:<\/strong> h\u013eadajte vrcholy pri celo\u010d\u00edseln\u00fdch n\u00e1sobkoch z\u00e1kladnej kvefrencie, ktor\u00e9 nazna\u010duj\u00fa siln\u00e9 harmonick\u00e9 rodiny v p\u00f4vodnom spektre.<\/li>\n<li><strong>Sledujte trend amplit\u00fad:<\/strong> sledujte v\u00fd\u0161ku \u0161pi\u010diek kepstra v \u010dase \u2014 rast\u00faca amplit\u00fada signalizuje zhor\u0161uj\u00faci sa stav, v\u010faka \u010domu je \u0161pi\u010dka kepstra kompaktn\u00fdm indik\u00e1torom stavu pre <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/trending\/\">trendy<\/a>.<\/li>\n<\/ol>\n<h2>4. Kde m\u00e1 kepstrum miesto v diagnostickej sade n\u00e1strojov<\/h2>\n<p>Kepstr\u00e1lna anal\u00fdza je v\u00fdkonn\u00e1, ale jej spr\u00e1vne pou\u017eitie si vy\u017eaduje sk\u00fasenosti; najlep\u0161ie je vn\u00edma\u0165 ju ako jeden \u0161pecializovan\u00fd n\u00e1stroj v r\u00e1mci \u0161ir\u0161ieho programu <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/vibration-diagnostics\/\">vibra\u010dn\u00e1 diagnostika<\/a> ne\u017e ako samostatn\u00fa odpove\u010f. Be\u017en\u00fd postup je za\u010da\u0165 so spektrom a <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/spectral-analysis\/\">spektr\u00e1lna anal\u00fdza<\/a>, siahnu\u0165 po kepstre, ke\u010f hust\u00e9 rodiny bo\u010dn\u00fdch p\u00e1siem alebo harmonick\u00fdch zlo\u017eiek zahmlievaj\u00fa obraz, a potvrdi\u0165 r\u00e1zy v lo\u017eisk\u00e1ch ob\u00e1lkov\u00fdmi met\u00f3dami. V\u00e4\u010d\u0161ina por\u00fach, ktor\u00e9 kepstrum odha\u013euje \u2014 chyby zubov ozuben\u00fdch kolies a lo\u017e\u00edsk \u2014 s\u00fa diagnostick\u00e9 zistenia, nie probl\u00e9my s vyva\u017eovan\u00edm, tak\u017ee kepstrum patr\u00ed do f\u00e1zy anal\u00fdzy, ktor\u00e1 predch\u00e1dza ak\u00e9muko\u013evek n\u00e1pravn\u00e9mu opatreniu. Ke\u010f sa uk\u00e1\u017ee, \u017ee z\u00e1kladn\u00fdm probl\u00e9mom je <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/unbalance\/\">nevyv\u00e1\u017eenos\u0165<\/a> na <a href=\"https:\/\/vibromera.eu\/sk\/glossary\/running-speed\/\">prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165<\/a>, prenosn\u00fd analyz\u00e1tor ako <a href=\"https:\/\/vibromera.eu\/sk\/produkt\/balanset-1\/\">Balanset-1A<\/a> meria amplit\u00fadu a f\u00e1zu na 1&times; ot\u00e1\u010dke potrebn\u00e9 na jeho korekciu priamo na mieste, zatia\u013e \u010do kepstrum sa na\u010falej s\u00fastre\u010fuje na chyby ozuben\u00fdch kolies a lo\u017e\u00edsk, ktor\u00e9 diagnostikuje najlep\u0161ie. Pri zlo\u017eit\u00fdch strojoch poskytuje t\u00e1to kombin\u00e1cia diagnostick\u00fa zrozumite\u013enos\u0165, ktorej samotn\u00e1 spektr\u00e1lna anal\u00fdza nedok\u00e1\u017ee dosiahnu\u0165.<\/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>Z\u00edskajte inform\u00e1cie o anal\u00fdze kepstra, v\u00fdkonnej technike spracovania sign\u00e1lu na detekciu harmonick\u00fdch rod\u00edn a postrann\u00fdch p\u00e1siem vo vibra\u010dn\u00fdch \u00fadajoch, ktor\u00e9 s\u00fa k\u013e\u00fa\u010dov\u00e9 pre diagnostiku prevodoviek a lo\u017e\u00edsk.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-75","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/75","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\/75\/revisions"}],"predecessor-version":[{"id":101327,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/glossary\/75\/revisions\/101327"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/media?parent=75"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/categories?post=75"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sk\/wp-json\/wp\/v2\/tags?post=75"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}