{"id":5215,"date":"2022-01-31T12:07:00","date_gmt":"2022-01-31T03:07:00","guid":{"rendered":"https:\/\/yorozu.cloudfree.jp\/wordpress\/?p=5215"},"modified":"2025-09-01T16:38:36","modified_gmt":"2025-09-01T07:38:36","slug":"5215","status":"publish","type":"post","link":"https:\/\/yorozu.cloudfree.jp\/wordpress\/?p=5215","title":{"rendered":"\u66f2\u7dda\uff08\u30b0\u30e9\u30d5\uff09\u3067\u8868\u793a"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\"><strong>\uff11\uff0eBathtub curve\uff08\u6545\u969c\u7387\u66f2\u7dda\uff09<\/strong><\/h4>\n\n\n\n<p>\u3000\u6545\u969c\u7387\u66f2\u7dda\u3068\u3082\u547c\u3070\u308c\u308b<br>\u3000\u3000\u3000\u6a5f\u68b0\u3084\u88c5\u7f6e\u306e\u6642\u9593\u7d4c\u904e\u306b\u4f34\u3046\u6545\u969c\u7387\u306e\u5909\u5316\u3092\u8868\u793a\u3057\u305f\u66f2\u7dda<br><br>\u3000\u6a5f\u68b0\u3084\u88c5\u7f6e\u304c\u904b\u7528\u3055\u308c\u59cb\u3081\u3066\u304b\u3089\u3001\u3084\u304c\u3066\u5bff\u547d\u3092\u8fce\u3048\u308b\u307e\u3067\u306e\u671f\u9593\u3092<br>\u3000\u3000\u3000\u300c\u521d\u671f\u6545\u969c\u671f\u300d\u300c\u5076\u767a\u6545\u969c\u671f\u300d\u300c\u6469\u8017\u6545\u969c\u671f\u300d\u306e3\u3064\u306b\u533a\u5206\u3057<br>\u3000\u3000\u3000\u6a2a\u8ef8\u306b\u7d4c\u904e\u6642\u9593t\u3092\u3001\u7e26\u8ef8\u306b\u6545\u969c\u7387\u3092\u3068\u308b<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/Bathtub-curve.jpg\" rel=\"lightbox[5215]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/Bathtub-curve-150x150.jpg\" alt=\"\" class=\"wp-image-5222\"\/><\/a><\/figure>\n\n\n\n<p>\u3000<strong>\u521d\u671f\u6545\u969c\u671f\uff08early failure period\u3001infant mortality\u7b49\uff09<\/strong><br>\u3000\u3000\u3000\u6a5f\u68b0\u3084\u88c5\u7f6e\u306e\u4f7f\u7528\u958b\u59cb\u304b\u3089\u3001\u6700\u521d\u306e\u4e00\u5e74\u7a0b\u5ea6\u304c\u3053\u306e\u671f\u9593<br>\u3000\u3000\u3000\u6750\u6599\u306e\u6b20\u9665\u3001\u8a2d\u8a08\u6642\u306e\u30df\u30b9\u3001\u88fd\u9020\u30a8\u30e9\u30fc\u3084\u691c\u54c1\u6f0f\u308c\u306a\u3069\u304c\u539f\u56e0\u3067<br>\u3000\u3000\u3000\u3000\u3000\u6bd4\u8f03\u7684\u6545\u969c\u7387\u304c\u9ad8\u3044\u50be\u5411\u306b\u3042\u308b<br>\u3000\u3000\u3000\u3042\u308b\u7a0b\u5ea6\u6642\u9593\u304c\u7d4c\u904e\u3059\u308c\u3070\u6545\u969c\u767a\u751f\u306e\u78ba\u7387\u3082\u843d\u3061\u7740\u3044\u3066\u304f\u308b\u305f\u3081<br>\u3000\u3000\u3000\u3000\u3000\u30b0\u30e9\u30d5\u304c\u4e0b\u964d\u3057\u3066\u3044\u304f\u50be\u5411\u306b\u3042\u308b<br><br>\u3000\u3000\u3000\u521d\u671f\u4e0d\u826f\u306e\u767a\u751f\u3092\u4e0b\u3052\u308b\u305f\u3081\u306e\u624b\u6cd5\uff08\u30d0\u30fc\u30f3\u30a4\u30f3\u8a66\u9a13\u3000burn-in\uff09<br>\u3000\u3000\u3000\u3000\u3000\u6a5f\u68b0\u30fb\u88c5\u7f6e\u3092\u5b9f\u969b\u306b\u60f3\u5b9a\u3055\u308c\u308b\u4ed5\u69d8\u3084\u65b9\u6cd5\u3067\u4e00\u5b9a\u671f\u9593\u653e\u7f6e\u3055\u305b\u3001<br>\u3000\u3000\u3000\u3000\u3000\u6545\u969c\u3084\u6a5f\u80fd\u7684\u306a\u4e0d\u5177\u5408\u304c\u306a\u3044\u304b\u306a\u3069\u3092\u78ba\u8a8d\u3059\u308b<br><br>\u3000<strong>\u5076\u767a\u6545\u969c\u671f\uff08intrinsic failure period\u3001useful life\u7b49\uff09<br>\u3000\u3000\u3000<\/strong>\u521d\u671f\u6545\u969c\u671f\u3092\u904e\u304e\u3001\u6545\u969c\u306e\u767a\u751f\u3059\u308b\u78ba\u7387\u3082\u5b89\u5b9a\u3059\u308b\u50be\u5411\u306b\u3042\u308b<br>\u3000\u3000\u3000\u3000\u3000\u521d\u671f\u6545\u969c\u671f\u306b\u6bd4\u3079\u308b\u3068\u3001\u6545\u969c\u7387\u304c\u4f4e\u3044\u50be\u5411\u306b\u3042\u308b<br><br>\u3000<strong>\u6469\u8017\u6545\u969c\u671f\uff08wear-out failure period\uff09<\/strong><br>\u3000\u3000\u3000\u6469\u8017\u3084<a href=\"https:\/\/www.fukudaco.co.jp\/support\/glossary\/bearing_fatigue.html\">\u75b2\u52b4<\/a>\u306a\u3069\u306b\u3088\u308a\u3001\u6a5f\u68b0\u3084\u88c5\u7f6e\u306e\u6f5c\u5728\u7684\u306a\u6545\u969c\u304c\u8868\u51fa\u3059\u308b\u6642\u671f<br>\u3000\u3000\u3000\u3000\u3000\u52a3\u5316\u3078\u306e\u5bfe\u7b56\u3092\u65bd\u3059\u3053\u3068\u3067\u3001\u8010\u7528\u671f\u9593\uff08useful life\uff09\u3092\u5ef6\u3070\u3059<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uff12\uff0eGompertz curve\uff08\u30b4\u30f3\u30da\u30eb\u30c4\u66f2\u7dda\uff09<\/strong><\/h4>\n\n\n\n<p>\u3000\u4fe1\u983c\u5ea6\u66f2\u7dda\uff08\u30d0\u30b0\u66f2\u7dda\uff09\u3068\u3082\u547c\u3070\u308c\u308b<br>\u3000\u3000\u3000\u4e00\u822c\u306b\u89b3\u5bdf\u3055\u308c\u308bS\u5b57\u5f62\u72b6\u306e\u66f2\u7dda\u3067\u8868\u3059<\/p>\n\n\n\n<p>\u3000\u30c6\u30b9\u30c8\u6d88\u5316\u4ef6\u6570\u3068\u30d0\u30b0\u306e\u691c\u51fa\u4ef6\u6570\u306e\u95a2\u4fc2\u3092\u793a\u3057\u305f\u30b0\u30e9\u30d5<br>\u3000\u3000\u3000\u9032\u6357\u72b6\u6cc1\u3084\u6b8b\u5b58\u30d0\u30b0\u6570\u3092\u63a8\u5b9a\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u308b<\/p>\n\n\n<p style=\"text-align: center;\"><a href=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/Gompertz-curve.jpg\" rel=\"lightbox[5215]\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/Gompertz-curve-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" class=\"aligncenter wp-image-5226 size-thumbnail\" \/><\/a><\/p>\n\n\n<p>\u3000\u30c6\u30b9\u30c8\u3092\u958b\u59cb\u3057\u305f\u76f4\u5f8c\u306f<br>\u3000\u3000\u3000\u30c6\u30b9\u30c8\u624b\u9806\u304c\u78ba\u7acb\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30d0\u30b0\u306f\u306a\u304b\u306a\u304b\u898b\u3064\u304b\u3089\u306a\u3044<br><br>\u3000\u30c6\u30b9\u30c8\u624b\u9806\u304c\u78ba\u7acb\u3057\u305f\u5f8c\u306f<br>\u3000\u3000\u3000\u6642\u9593\u304c\u7d4c\u3064\u306b\u3064\u308c\u3066\u9806\u8abf\u306b\u30d0\u30b0\u304c\u898b\u3064\u304b\u308b<br><br>\u3000\u30c6\u30b9\u30c8\u304c\u7d42\u76e4\u306b\u8fd1\u3065\u304f\u3068<br>\u3000\u3000\u3000\u6b8b\u3063\u3066\u3044\u308b\u306e\u306f\u30c6\u30b9\u30c8\u56f0\u96e3\u306a\u30ec\u30a2\u30b1\u30fc\u30b9\u306b\u306a\u308a\u3001\u518d\u3073\u30d0\u30b0\u3092\u898b\u3064\u3051\u306b\u304f\u3044<\/p>\n\n\n\n<p>\u3000\u30d0\u30b0\u304c\u5927\u91cf\u306b\u898b\u3064\u304b\u308b\uff08a\u306e\u30b1\u30fc\u30b9\uff09<br>\u3000\u3000\u3000\u30c6\u30b9\u30c8\u958b\u59cb\u6642\u70b9\u306e\u54c1\u8cea\u304c\u60aa\u3044\u7591\u3044\u304c\u3042\u308b<br>\u3000\u3000\u3000\u3000\u3000\u5bfe\u5fdc\u7b56\uff1a\u524d\u5de5\u7a0b\u3067\u898b\u3064\u3051\u308b\u3079\u304d\u30d0\u30b0\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b<br>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u30d0\u30b0\u306e\u5bfe\u5fdc\u3067\u30c6\u30b9\u30c8\u306e\u9032\u6357\u304c\u60aa\u304f\u306a\u308b\u3053\u3068\u3092\u9632\u3050\u305f\u3081<br>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3082\u3046\u4e00\u5ea6\u524d\u5de5\u7a0b\u306b\u623b\u3063\u3066\u54c1\u8cea\u5f37\u5316\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b<br>\u3000\u767a\u898b\u3055\u308c\u308b\u30d0\u30b0\u304c\u5c11\u306a\u3044\uff08b\u306e\u30b1\u30fc\u30b9\uff09<br>\u3000\u3000\u3000\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u306e\u4f5c\u308a\u8fbc\u307f\u304c\u7518\u3044\u7591\u3044\u304c\u3042\u308b<br>\u3000\u3000\u3000\u3000\u3000\u5bfe\u5fdc\u7b56\uff1a\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u306e\u7db2\u7f85\u6027\u304c\u5341\u5206\u304b\u3092\u898b\u308b<br>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u7db2\u7f85\u6027\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408\u306f\u3001\u4fee\u6b63\u3092\u6307\u793a\u3059\u308b<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uff13\uff0eLogistic curve\uff08\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u66f2\u7dda\uff09<\/strong><\/h4>\n\n\n\n<p>\u3000\u751f\u7269\u306e\u500b\u4f53\u6570\u306e\u5897\u52a0\u306a\u3069\u3092\u8a18\u8ff0\u3059\u308b\u5fae\u5206\u65b9\u7a0b\u5f0f\u306e\u89e3\u3068\u3057\u3066\u5f97\u3089\u308c\u308b\u66f2\u7dda<br>\u3000\u3000\u3000\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3044\u3066\u306e\u65b0\u88fd\u54c1\u306e\u666e\u53ca\u66f2\u7dda\u3068\u9069\u5408\u3057\u3001S\u5b57\u30ab\u30fc\u30d6\u3092\u63cf\u304f<br><br>\u3000S\u5b57\u578b\u3092\u63cf\u304f\u975e\u7dda\u5f62\u95a2\u6570\u3067\u3001\u7279\u306b<strong>\u6210\u9577\u30e2\u30c7\u30eb<\/strong>\u306b\u304a\u3044\u3066\u5e83\u304f\u4f7f\u308f\u308c\u308b<br>\u3000\u3000\u3000\u6700\u521d\u306f\u3086\u3063\u304f\u308a\u3068\u3057\u305f\u6210\u9577\u304b\u3089\u59cb\u307e\u308a\u3001\u9014\u4e2d\u3067\u6025\u6fc0\u306b\u6210\u9577\u3057\u3001<br>\u3000\u3000\u3000\u305d\u306e\u5f8c\u3001\u6210\u9577\u304c\u5f90\u3005\u306b\u6e1b\u901f\u3057\u3066\u6700\u7d42\u7684\u306b\u4e0a\u9650\u306b\u9054\u3059\u308b<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/Logistic-curve.jpg\" rel=\"lightbox[5215]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/Logistic-curve-150x150.jpg\" alt=\"\" class=\"wp-image-5231\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\uff14\uff0eOC curve\uff08Operating Characteristic curve\uff09<\/strong><\/h4>\n\n\n\n<p>\u3000\u691c\u67fb\u7279\u6027\u66f2\u7dda\u3068\u3082\u547c\u3070\u308c\u308b<br>\u3000\u3000\u3000\u88fd\u54c1\u306e\u629c\u304d\u53d6\u308a\u691c\u67fb\u3067\u30ed\u30c3\u30c8\u306e\u4e0d\u826f\u7387\u3068\u5408\u683c\u7387\u306e\u95a2\u4fc2\u3092\u8868\u3059<br>\u3000<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/OC-curve.jpg\" rel=\"lightbox[5215]\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/yorozu.cloudfree.jp\/wordpress\/wp-content\/uploads\/2022\/01\/OC-curve-150x150.jpg\" alt=\"\" class=\"wp-image-5237\"\/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><br>\u3000\u30ed\u30c3\u30c8\u304b\u3089n\u500b\u306e\u30b5\u30f3\u30d7\u30eb\u3001\u305d\u308c\u306b\u542b\u307e\u308c\u308b\u4e0d\u826f\u54c1\u500b\u6570\u304c c\u500b\u4ee5\u4e0a\u306f\u4e0d\u5408\u683c<br>\u3000\u3000\u3000\u30ed\u30c3\u30c8\u306e\u5408\u683c\u7387(p)\u3092\u7e26\u8ef8\u306b\u3001\u5b9f\u969b\u306e\u30ed\u30c3\u30c8\u306e\u4e0d\u826f\u7387(\uff51)\u3092\u6a2a\u8ef8\u306b\u53d6\u308a<br>\u3000\u3000\u3000p\u3068q\u306e\u95a2\u4fc2\u3092\u8868\u3057\u305f\u66f2\u7dda<br><br>\u3000\u3000\u3000\u4e0d\u826f\u7387\u304c\u4f4e\u3051\u308c\u3070\u5408\u683c\u7387\u306f\u9ad8\u307e\u308a\u3001\u4e0d\u826f\u7387\u304c\u9ad8\u3051\u308c\u3070\u5408\u683c\u7387\u306f\u4e0b\u304c\u308b<br>\u3000\u3000\u3000\u3000\u3000\u30b0\u30e9\u30d5\u306f\u5de6\u4e0a\u304b\u3089\u53f3\u4e0b\u3078\u7de9\u3084\u304b\u306a\u30ab\u30fc\u30d6\u3092\u63cf\u304f<br><br>\u3000\u751f\u7523\u8005\u5371\u967a\uff08producers&#8217; risk\uff09<br>\u3000\u3000\u3000\u672c\u6765\u5408\u683c\u3068\u306a\u308b\u3079\u304d\u30ed\u30c3\u30c8\u304c\u3001\u629c\u304d\u53d6\u308a\u691c\u67fb\u3067\u4e0d\u5408\u683c\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u78ba\u7387<br><br>\u3000\u6d88\u8cbb\u8005\u5371\u967a\uff08consumers&#8217; risk\uff09<br>\u3000\u3000\u3000\u672c\u6765\u4e0d\u5408\u683c\u3068\u306a\u308b\u3079\u304d\u30ed\u30c3\u30c8\u304c\u5408\u683c\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u78ba\u7387<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30fb\u66f2\u7dda\uff08curve\uff09\u3067\u8868\u3059\u4e8b\u8c61\u306b\u3064\u3044\u3066<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[79],"class_list":["post-5215","post","type-post","status-publish","format-standard","hentry","category-99_","tag-literacy"],"_links":{"self":[{"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5215"}],"version-history":[{"count":19,"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5215\/revisions"}],"predecessor-version":[{"id":5239,"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5215\/revisions\/5239"}],"wp:attachment":[{"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yorozu.cloudfree.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}