{"id":4602,"date":"2026-08-12T14:46:57","date_gmt":"2026-08-12T12:46:57","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4602"},"modified":"2026-08-12T14:46:57","modified_gmt":"2026-08-12T12:46:57","slug":"megbizhatosagi-szamitas","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/hu\/guide-dutilisateur\/calcul-de-fiabilite\/","title":{"rendered":"Megb\u00edzhat\u00f3s\u00e1gi sz\u00e1m\u00edt\u00e1s"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ezek a sz\u00e1mol\u00f3g\u00e9pek megv\u00e1laszolj\u00e1k a szerz\u0151d\u00e9ssel kapcsolatos k\u00e9rd\u00e9st:&nbsp;<strong>H\u00e1ny darab \u00e9s mennyi id\u0151re van sz\u00fcks\u00e9g ahhoz, hogy a hirdetett megb\u00edzhat\u00f3s\u00e1got bizony\u00edts\u00e1k?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Be\u00edrjuk a&nbsp;<strong>megb\u00edzhat\u00f3s\u00e1g\u00e1t m\u00e9g be kell bizony\u00edtania<\/strong>&nbsp;vagy a&nbsp;<strong>Az MTTF-\u00e9rt\u00e9k m\u00e9g nem bizony\u00edtott<\/strong>a&nbsp;<strong>bizalmi szint<\/strong>, \u00e9s a&nbsp;<strong>figyelembe veend\u0151 elm\u00e9leti megb\u00edzhat\u00f3s\u00e1gi t\u00f6rv\u00e9ny<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tesztterv kidolgoz\u00e1sa<\/strong>\u00a0: megb\u00edzhat\u00f3s\u00e1got bizony\u00edtani; ;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lehet\u0151v\u00e9 teszi egy eredm\u00e9ny kisz\u00e1m\u00edt\u00e1s\u00e1t (ahov\u00e1 a lakatot helyezz\u00fck) a t\u00f6bbi param\u00e9ter alapj\u00e1n. P\u00e9ld\u00e1ul kisz\u00e1m\u00edtjuk, hogy 90% megb\u00edzhat\u00f3s\u00e1got 1000 cikluson kereszt\u00fcl 95% bizalmi szint mellett igazolni tudjuk, 16 term\u00e9k k\u00f6z\u00fcl 0 meghib\u00e1sod\u00e1snak kell lennie 2000 ciklus alatt.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"450\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite.png\" alt=\"\" class=\"wp-image-4604\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite-300x140.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite-768x359.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite-18x8.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi2 tervrajz<\/strong>\u00a0: a megb\u00edzhat\u00f3s\u00e1g igazol\u00e1sa az \u00fczem\u00f3r\u00e1k \u00f6sszegy\u0171jt\u00e9s\u00e9vel. A Chi2-t\u00f6rv\u00e9nyen alapulva meghat\u00e1rozza a sz\u00fcks\u00e9ges tesztmennyis\u00e9get; ;<\/li>\n\n\n\n<li><strong>MTTF-terv kidolgoz\u00e1sa<\/strong>\u00a0: az MTTF \u00e9rt\u00e9k\u00e9nek igazol\u00e1sa; ;<\/li>\n\n\n\n<li>\u00a0<strong>Meghib\u00e1sod\u00e1si id\u0151<\/strong>\u00a0: a k term\u00e9k meghib\u00e1sod\u00e1s\u00e1hoz sz\u00fcks\u00e9ges tesztid\u0151. P\u00e9ld\u00e1ul, ha egy term\u00e9k Weibull-eloszl\u00e1st k\u00f6vet, ahol \u03b2 = 1, \u00e9s t = 100-n\u00e1l 90% megb\u00edzhat\u00f3s\u00e1gi ar\u00e1nyt v\u00e1runk, az Ellistat kisz\u00e1m\u00edtja a megfelel\u0151 eta \u00e9rt\u00e9ket, amely 968 (a lakat = eredm\u00e9ny), \u00e9s a g\u00f6rbe megmutatja a meghib\u00e1sod\u00e1sok bek\u00f6vetkez\u00e9s\u00e9hez sz\u00fcks\u00e9ges id\u0151t a tesztelt term\u00e9kek sz\u00e1m\u00e1t\u00f3l (itt 29) f\u00fcgg\u0151en.\u00a0<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"540\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite2.png\" alt=\"\" class=\"wp-image-4605\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite2.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite2-300x168.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite2-768x430.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite2-18x10.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f A Chi2-terv\u00a0<strong>exponenci\u00e1lis t\u00f6rv\u00e9nyt felt\u00e9telez<\/strong>, vagyis \u03b2 = 1, teh\u00e1t \u00e1lland\u00f3 meghib\u00e1sod\u00e1si ar\u00e1ny. Ez egy er\u0151s felt\u00e9telez\u00e9s: ha a term\u00e9k kopik (\u03b2 &gt; 1), akkor a terv t\u00fal optimista. Az alkalmaz\u00e1s ezt kifejezetten jelzi. Csak v\u00e9letlenszer\u0171 meghib\u00e1sod\u00e1sok eset\u00e9n, vagy a torz\u00edt\u00e1s ismeret\u00e9ben haszn\u00e1lja!.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udca1 Ezeknek a sz\u00e1mol\u00f3g\u00e9peknek a szok\u00e1sos tanuls\u00e1ga kem\u00e9ny: a magas megb\u00edzhat\u00f3s\u00e1g \u00e9s a nagy bizalom bizony\u00edt\u00e1sa megk\u00f6veteli, hogy\u00a0<strong>sok<\/strong>\u00a0\u00f3r\u00e1ban kifejezett egys\u00e9gekben. Ez a megfelel\u0151 \u00e9rv ahhoz, hogy ak\u00e1r egy gyors\u00edtott pr\u00f3baid\u0151szakr\u00f3l, ak\u00e1r egy re\u00e1lisabb k\u00f6telezetts\u00e9gv\u00e1llal\u00e1sr\u00f3l t\u00e1rgyaljunk, \u00e9s a legjobb id\u0151pont erre az al\u00e1\u00edr\u00e1s el\u0151tt van.<\/p>\n<\/blockquote>","protected":false},"featured_media":0,"menu_order":30,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[36],"class_list":["post-4602","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-9-fiabilite"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Calcul de fiabilit\u00e9 - Ellistat<\/title>\n<meta name=\"description\" content=\"Calculez le nombre d&#039;unit\u00e9s et la dur\u00e9e d&#039;essai pour d\u00e9montrer une fiabilit\u00e9 ou un MTTF cible, avec les plans Chi2, MTTF et temps de d\u00e9faillance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/hu\/hasznaloi-utmutato\/megbizhatosagi-szamitas\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calcul de fiabilit\u00e9 - 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