{"id":579,"date":"2023-01-12T16:01:52","date_gmt":"2023-01-12T08:01:52","guid":{"rendered":"https:\/\/www.itvst.com\/?p=579"},"modified":"2023-01-12T16:01:52","modified_gmt":"2023-01-12T08:01:52","slug":"mtbf%ef%bc%88mean-time-between-failure%ef%bc%89%e5%b9%b3%e5%9d%87%e6%97%a0%e6%95%85%e9%9a%9c%e5%b7%a5%e4%bd%9c%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/www.ingvs.com\/index.php\/2023\/01\/12\/mtbf%ef%bc%88mean-time-between-failure%ef%bc%89%e5%b9%b3%e5%9d%87%e6%97%a0%e6%95%85%e9%9a%9c%e5%b7%a5%e4%bd%9c%e6%97%b6%e9%97%b4\/","title":{"rendered":"MTBF\uff08Mean Time Between Failure\uff09\u5e73\u5747\u65e0\u6545\u969c\u5de5\u4f5c\u65f6\u95f4"},"content":{"rendered":"\n<p>    MTBF\uff08Mean Time Between Failure\uff09\u5373\u5e73\u5747\u65e0\u6545\u969c\u5de5\u4f5c\u65f6\u95f4\uff0c\u662f\u8861\u91cf\u4e00\u4e2a\u4ea7\u54c1\uff08\u5c24\u5176\u662f\u7535\u5668\u4ea7\u54c1\uff09\u7684\u53ef\u9760\u6027\u6307\u6807\u3002\u5355\u4f4d\u4e3a\u201c\u5c0f\u65f6\u201d\u3002\u5b83\u53cd\u6620\u4e86\u4ea7\u54c1\u7684\u65f6\u95f4\u8d28\u91cf\uff0c\u662f\u4f53\u73b0\u4ea7\u54c1\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u4fdd\u6301\u529f\u80fd\u7684\u4e00\u79cd\u80fd\u529b\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u662f\u6307\u76f8\u90bb\u4e24\u6b21\u6545\u969c\u4e4b\u95f4\u7684\u5e73\u5747\u5de5\u4f5c\u65f6\u95f4\uff0c\u4e5f\u79f0\u4e3a\u5e73\u5747\u6545\u969c\u95f4\u9694 \u3002\u6982\u62ec\u5730\u8bf4\uff0c\u4ea7\u54c1\u6545\u969c\u5c11\u7684\u5c31\u662f\u53ef\u9760\u6027\u9ad8\uff0c\u4ea7\u54c1\u7684\u6545\u969c\u603b\u6570\u4e0e\u5bff\u547d\u5355\u4f4d\u603b\u6570\u4e4b\u6bd4\u53eb\u201c\u6545\u969c\u7387\u201d\uff08Failure rate\uff09\u3002\u5b83\u4ec5\u9002\u7528\u4e8e\u53ef\u7ef4\u4fee\u4ea7\u54c1\u3002\u540c\u65f6\u4e5f\u89c4\u5b9a\u4ea7\u54c1\u5728\u603b\u7684\u4f7f\u7528\u9636\u6bb5\u7d2f\u8ba1\u5de5\u4f5c\u65f6\u95f4\u4e0e\u6545\u969c\u6b21\u6570\u7684\u6bd4\u503c\u4e3aMTBF\u3002\u78c1\u76d8\u9635\u5217\u4ea7\u54c1\u4e00\u822cMTBF\u4e0d\u4f4e\u4e8e5\u4e07\u5c0f\u65f6\u3002<br><strong>\u8ba1\u7b97\u65b9\u6cd5<\/strong><br>    MTBF\u662f\u53ef\u4fee\u590d\u4ea7\u54c1\u53ef\u9760\u6027\u7684\u4e00\u79cd\u57fa\u672c\u53c2\u6570\u3002\u5ea6\u91cf\u65b9\u6cd5\u4e3a\uff1a\u5728\u89c4\u5b9a\u7684\u6761\u4ef6\u4e0b\u548c\u89c4\u5b9a\u7684\u65f6\u95f4\u5185,\u4ea7\u54c1\u7684\u5bff\u547d\u5355\u4f4d\u603b\u6570\u4e0e\u6545\u969c\u603b\u6b21\u6570\u4e4b\u6bd4\u3002<br>    MTBF\u503c\u662f\u4ea7\u54c1\u8bbe\u8ba1\u65f6\u8981\u8003\u8651\u7684\u91cd\u8981\u53c2\u6570\uff0c\u53ef\u9760\u5ea6\u5de5\u7a0b\u5e08\u6216\u8bbe\u8ba1\u5e08\u7ecf\u5e38\u4f7f\u7528\u5404\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u4e0e\u6807\u51c6\u6765\u4f30\u8ba1\u4ea7\u54c1\u7684MTBF\u503c\u3002\u76f8\u5173\u6807\u51c6\u5305\u62ecMIL-HDBK-217F\u3001Telcordia SR332\u3001Siemens Norm\u3001Fides\u6216UTE C 80-810\uff08RDF2000\uff09\u7b49\u3002\u4e0d\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u4f30\u8ba1\u5230\u7684\u503c\u548c\u5b9e\u9645\u7684\u5e73\u5747\u6545\u969c\u95f4\u9694\u4ecd\u6709\u76f8\u5f53\u7684\u5dee\u8ddd\u3002\u8ba1\u7b97\u5e73\u5747\u6545\u969c\u95f4\u9694\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u627e\u51fa\u8bbe\u8ba1\u4e2d\u7684\u8584\u5f31\u73af\u8282\u3002<br>MTBF\u7684\u6570\u5b66\u5f0f\u8868\u8fbe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ingvs.com\/wp-content\/uploads\/2023\/01\/20230112-1.png\" alt=\"\" class=\"wp-image-580\" width=\"369\" height=\"78\"\/><\/figure>\n\n\n\n<p>\u53e6\u5916\uff0c\u5728\u5de5\u7a0b\u5b66\u4e0a\uff0c\u5e38\u7528\u5e0c\u814a\u5b57\u6bcd\u03b8\u6765\u8868\u793aMTBF\uff0c\u5373\u6709\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ingvs.com\/wp-content\/uploads\/2023\/01\/20230112-2.png\" alt=\"\" class=\"wp-image-581\" width=\"134\" height=\"44\"\/><\/figure>\n\n\n\n<p>\u5728\u6982\u7387\u8bba\u4e2d\uff0c\u53ef\u7528\u0192(t)\u5f62\u5f0f\u7684\u6982\u7387\u5bc6\u5ea6\u65b9\u7a0b\u8868\u793aMTBF\uff0c\u5373\u6709\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ingvs.com\/wp-content\/uploads\/2023\/01\/20230112-3.png\" alt=\"\" class=\"wp-image-582\" width=\"257\" height=\"69\"\/><\/figure>\n\n\n\n<p>\u6b64\u5904\u0192\u6307\u7684\u662f\u76f4\u5230\u4e0b\u6b21\u5931\u6548\u7ecf\u8fc7\u65f6\u957f\u7684\u6982\u7387\u5bc6\u5ea6\u65b9\u7a0b\u2014\u2014\u6ee1\u8db3\u6807\u51c6\u6982\u7387\u5bc6\u5ea6\u65b9\u7a0b\u2014\u2014<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ingvs.com\/wp-content\/uploads\/2023\/01\/20230112-4.png\" alt=\"\" class=\"wp-image-583\" width=\"211\" height=\"76\"\/><\/figure>\n\n\n\n<p>   \u8bbe\u6709\u4e00\u4e2a\u53ef\u4fee\u590d\u7684\u4ea7\u54c1\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u5171\u8ba1\u53d1\u751f\u8fc7N0\u6b21\u6545\u969c\uff0c\u6bcf\u6b21\u6545\u969c\u540e\u7ecf\u8fc7\u4fee\u590d\u53c8\u548c\u65b0\u7684\u4e00\u6837\u7ee7\u7eed\u6295\u5165\u4f7f\u7528\uff0c\u5176\u5de5\u4f5c\u65f6\u95f4\u5206\u522b\u4e3a\uff1aT0\uff0cT1\u3002\u90a3\u4e48\u4ea7\u54c1\u7684\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4\uff0c\u4e5f\u5c31\u662f\u5e73\u5747\u5bff\u547d\u4e3aQ\u4e3a\uff1a\uff08T0+T1\uff09\/N0\u3002<br>    \u5173\u4e8e MTBF\u503c\u7684\u8ba1\u7b97\u65b9\u6cd5\uff0c\u6700\u901a\u7528\u7684\u6743\u5a01\u6027\u6807\u51c6\u662fMIL-HDBK-217\u3001GJB\/Z299B\u548cBellcore\uff0c\u5206\u522b\u7528\u4e8e\u519b\u5de5\u4ea7\u54c1\u548c\u6c11\u7528\u4ea7\u54c1\u3002\u5176\u4e2d\uff0cMIL-HDBK-217\u662f\u7531\u7f8e\u56fd\u56fd\u9632\u90e8\u53ef\u9760\u6027\u5206\u6790\u4e2d\u5fc3\u53caRome\u5b9e\u9a8c\u5ba4\u63d0\u51fa\u5e76\u6210\u4e3a\u884c\u4e1a\u6807\u51c6\uff0c\u4e13\u95e8\u7528\u4e8e\u519b\u5de5\u4ea7\u54c1MTBF\u503c\u8ba1\u7b97\uff0cGJB\/Z299B\u662f\u6211\u56fd\u519b\u7528\u6807\u51c6\uff1b\u800cBellcore\u662f\u7531AT&amp;TBell\u5b9e\u9a8c\u5ba4\u63d0\u51fa\u5e76\u6210\u4e3a\u5546\u7528\u7535\u5b50\u4ea7\u54c1MTBF\u503c\u8ba1\u7b97\u7684\u884c\u4e1a\u6807\u51c6\u3002<br>    MTBF\u8ba1\u7b97\u4e2d\u4e3b\u8981\u8003\u8651\u7684\u662f\u4ea7\u54c1\u4e2d\u6bcf\u4e2a\u5668\u4ef6\u7684\u5931\u6548\u7387\u3002\u4f46\u7531\u4e8e\u5668\u4ef6\u5728\u4e0d\u540c\u7684\u73af\u5883\u3001\u4e0d\u540c\u7684\u4f7f\u7528\u6761\u4ef6\u4e0b\u5176\u5931\u6548\u7387\u4f1a\u6709\u5f88\u5927\u7684\u533a\u522b\uff0c\u4f8b\u5982\uff0c\u540c\u4e00\u4ea7\u54c1\u5728\u4e0d\u540c\u7684\u73af\u5883\u4e0b\uff0c\u5982\u5728\u5b9e\u9a8c\u5ba4\u548c\u6d77\u6d0b\u5e73\u53f0\u4e0a\uff0c\u5176\u53ef\u9760\u6027\u503c\u80af\u5b9a\u662f\u4e0d\u540c\u7684\uff1b\u53c8\u5982\u4e00\u4e2a\u989d\u5b9a\u7535\u538b\u4e3a16V\u7684\u7535\u5bb9\u5728\u5b9e\u9645\u7535\u538b\u4e3a25V\u548c5V\u4e0b\u7684\u5931\u6548\u7387\u80af\u5b9a\u662f\u4e0d\u540c\u7684\u3002\u6240\u4ee5\uff0c\u5728\u8ba1\u7b97\u53ef\u9760\u6027\u6307\u6807\u65f6\uff0c\u5fc5\u987b\u8003\u8651\u4e0a\u8ff0\u591a\u79cd\u56e0\u7d20\u3002\u6240\u6709\u4e0a\u8ff0\u8fd9\u4e9b\u56e0\u7d20\uff0c\u51e0\u4e4e\u65e0\u6cd5\u901a\u8fc7\u4eba\u5de5\u8fdb\u884c\u8ba1\u7b97\uff0c\u4f46\u501f\u52a9\u4e8e\u8f6f\u4ef6\u5982MTBFcal\u8f6f\u4ef6\u548c\u5176\u5e9e\u5927\u7684\u53c2\u6570\u5e93\uff0c\u6211\u4eec\u5c31\u80fd\u591f\u8f7b\u677e\u5f97\u51faMTBF\u503c\u3002<br><strong>\u6545\u969c\u65f6\u95f4<\/strong><br>    \u968f\u7740\u670d\u52a1\u5668\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u5bf9\u670d\u52a1\u5668\u7684\u53ef\u9760\u6027\u63d0\u51fa\u4e86\u66f4\u9ad8\u7684\u8981\u6c42\u3002\u6240\u8c13\u201c\u53ef\u9760\u6027\u201d\uff0c\u5c31\u662f\u4ea7\u54c1\u5728\u89c4\u5b9a\u6761\u4ef6\u4e0b\u548c\u89c4\u5b9a\u65f6\u95f4\u5185\u5b8c\u6210\u89c4\u5b9a\u529f\u80fd\u7684\u80fd\u529b\uff1b\u53cd\u4e4b\uff0c\u4ea7\u54c1\u6216\u5176\u4e00\u90e8\u5206\u4e0d\u80fd\u6216\u5c06\u4e0d\u80fd\u5b8c\u6210\u89c4\u5b9a\u7684\u529f\u80fd\u662f\u51fa\u6545\u969c\u3002\u6545\u969c\u7387\u5e38\u7528\u03bb\u8868\u793a\uff0c\u4f8b\u5982\u6b63\u5728\u8fd0\u884c\u4e2d\u7684100\u53ea\u786c\u76d8\uff0c\u4e00\u5e74\u4e4b\u5185\u51fa\u4e862\u6b21\u6545\u969c\uff0c\u5219\u6bcf\u4e2a\u786c\u76d8\u7684\u6545\u969c\u7387\u4e3a0.02\u6b21\/\u5e74\u3002\u5f53\u4ea7\u54c1\u7684\u5bff\u547d\u670d\u4ece\u6307\u6570\u5206\u5e03\u65f6\uff0c\u5176\u6545\u969c\u7387\u7684\u5012\u6570\u5c31\u53eb\u505a\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4\uff08Mean Time Between Failures\uff09\uff0c\u7b80\u79f0MTBF\u3002\u5373\uff1a<br>    MTBF=1\/\u03bb<br>    \u5047\u8bbe\u4e00\u6b3e\u53ef\u7528\u4e8e\u670d\u52a1\u5668\u7684WD Caviar RE2 7200 RPM \u786c\u76d8\uff0cMTBF \u9ad8\u8fbe 120\u4e07\u5c0f\u65f6\uff0c\u4fdd\u4fee 5\u5e74\u3002120\u4e07\u5c0f\u65f6\u7ea6\u4e3a137\u5e74\uff0c\u5e76\u4e0d\u662f\u8bf4\u8be5\u79cd\u786c\u76d8\u6bcf\u53ea\u5747\u80fd\u5de5\u4f5c137\u5e74\u4e0d\u51fa\u6545\u969c\u3002\u7531MTBF=1\/\u03bb\u53ef\u77e5\u03bb=1\/MTBF=1\/137\u5e74\uff0c\u5373\u8be5\u786c\u76d8\u7684\u5e73\u5747\u5e74\u6545\u969c\u7387\u7ea6\u4e3a0.7%\uff0c\u4e00\u5e74\u5185\uff0c\u5e73\u57471000\u53ea\u786c\u76d8\u67097\u53ea\u4f1a\u51fa\u6545\u969c\u3002<br><strong>\u7531\u6765<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ingvs.com\/wp-content\/uploads\/2023\/01\/20230112-5a.png\" alt=\"\" class=\"wp-image-584\" width=\"454\" height=\"278\"\/><\/figure>\n\n\n\n<p>\u56fe1 \u6d74\u76c6\u66f2\u7ebf<br>    \u5982\u56fe1\u6240\u793a\u4e3a\u8457\u540d\u7684\u6d74\u76c6\u66f2\u7ebf\uff0c\u5de6\u8fb9\u659c\u7ebf\u90e8\u5206\u4e3a\u65e9\u671f\u6545\u969c\u7387\uff0c\u5176\u6545\u969c\u7387\u4e00\u822c\u8f83\u9ad8\u4e14\u968f\u7740\u65f6\u95f4\u63a8\u79fb\u5f88\u5feb\u4e0b\u964d\u3002\u66f2\u7ebf\u4e2d\u90e8\u4e3a\u4f7f\u7528\u5bff\u547d\u671f\uff0c\u5176\u6545\u969c\u7387\u4e00\u822c\u5f88\u4f4e\u4e14\u57fa\u672c\u56fa\u5b9a\u3002\u6700\u53f3\u90e8\u4e3a\u8017\u635f\u671f\uff0c\u5931\u6548\u7387\u6025\u901f\u5347\u9ad8\u3002\u7535\u5b50\u4ea7\u54c1\u5236\u9020\u5546\u4e00\u822c\u901a\u8fc7\u6d4b\u8bd5\u3001\u8001\u70bc\u3001\u7b5b\u9009\u7b49\u624b\u6bb5\u5c06\u65e9\u671f\u6545\u969c\u5c3d\u91cf\u5254\u9664\uff0c\u7136\u540e\u63d0\u4f9b\u7ed9\u5ba2\u6237\u4f7f\u7528\u3002\u5f53\u4f7f\u7528\u5bff\u547d\u671f\u5c06\u5c3d\uff0c\u4ea7\u54c1\u4e5f\u5373\u5c06\u8fdb\u5165\u6545\u969c\u9ad8\u53d1\u671f\uff0c\u9700\u8981\u62a5\u5e9f\u6216\u66f4\u65b0\u6362\u4ee3\u4e86\u3002<br>    \u7535\u5b50\u4ea7\u54c1\u7684\u5bff\u547d\u4e00\u822c\u90fd\u7b26\u5408\u6d74\u76c6\u66f2\u7ebf\uff0c\u53ef\u5206\u4e3a\u4e09\u4e2a\u9636\u6bb5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u65e9\u671f\u5931\u6548\u671f\uff1a\u7531\u4e8e\u8bbe\u8ba1\uff0c\u539f\u6750\u6599\uff0c\u751f\u4ea7\u7b49\u53ef\u80fd\u51fa\u73b0\u7684\u539f\u56e0\u800c\u5bfc\u81f4\u4e00\u4e2a\u8f83\u9ad8\u5931\u6548\u7387\u7684\u9636\u6bb5\uff0c\u4e5f\u79f0\u5931\u6548\u7387\u9012\u51cf\u9636\u6bb5\uff0c\u53ef\u901a\u8fc7\u73af\u5883\u5e94\u529b\u7b5b\u9009\u52a0\u4ee5\u5254\u9664\uff0c\u4fdd\u8bc1\u4ea7\u54c1\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u5076\u7136\u5931\u6548\u671f\uff08\u7a33\u5b9a\u671f\uff09\uff1a\u8fd9\u4e00\u9636\u6bb5\u4ea7\u54c1\u5931\u6548\u7387\u8fd1\u4f3c\u4e00\u4e2a\u5e38\u6570\uff0c\u53ea\u6709\u968f\u673a\u5931\u6548\u4ea7\u751f\uff0cMTBF\u5373\u8981\u5f97\u5230\u8fd9\u4e00\u9636\u6bb5\u7684\u5bff\u547d\u3002<\/li>\n\n\n\n<li>\u635f\u8017\u5931\u6548\u671f\uff1a\u786c\u4ef6\u6545\u969c\u671f\uff0c\u4ea7\u54c1\u8fd9\u65f6\u5df2\u8fbe\u5230\u8bbe\u8ba1\u5bff\u547d\uff0c\u8fdb\u5165\u62a5\u5e9f\u9636\u6bb5\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u5bff\u547d<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ingvs.com\/wp-content\/uploads\/2023\/01\/20230112-6.png\" alt=\"\" class=\"wp-image-585\" width=\"428\" height=\"277\"\/><\/figure>\n\n\n\n<p>\u56fe2 \u5143\u5668\u4ef6\u77ac\u65f6\u5931\u6548\u6d74\u76c6\u66f2\u7ebf\u56fe<br>    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   \u6839\u636e\u6d4b\u8bd5\uff0c\u901a\u5e382.0G\u7684CPU\u6d88\u8017\u529f\u7387\u8fbe56.7W\uff0c\u751f\u6210\u6e29\u5ea6\u8fbe70\u2103\uff1b\u800c\u5f53\u9891\u7387\u63d0\u9ad8\u81f33.0G\u65f6\uff0c CPU\u6e29\u5ea6\u5f80\u5f80\u8d85\u8fc790\u2103\u3002\u5728\u8fd9\u6837\u7684\u9ad8\u6e29\u70d8\u70e4\u4e0b\uff0c\u4e3b\u677f\u4e0a\u7684\u7535\u5bb9\u5668\u5bff\u547d\u4f1a\u53d1\u751f\u4ec0\u4e48\u53d8\u5316\uff1f<br>    \u4e3a\u7b80\u5316\u8d77\u89c1\uff0c\u4e0d\u8003\u8651\u7eb9\u6ce2\u3001\u9891\u7387\u3001ESR\u7b49\u56e0\u7d20\uff0c\u7535\u5bb9\u5668\u7684\u4f30\u8ba1\u5bff\u547d\u53ef\u7528\u4e0b\u8ff0\u516c\u5f0f\u8868\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ingvs.com\/wp-content\/uploads\/2023\/01\/20230112-7.png\" alt=\"\" class=\"wp-image-586\" width=\"261\" height=\"78\"\/><\/figure>\n\n\n\n<p>    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