fuckit 发表于 2009-5-8 13:31:58

Duane/AMSAA以及如何使用Minitab处理RGT数据

share下,简单介绍Duane和Crow模型.如何使用Minitab处理可靠性增长测试数据.
需要的可以参考:

RGModelsUsedinTFT
•Crow-AMSAA
•Duane
•GompertzandModifiedGompertz
•LloydLipow
•Logistic

DuaneModel
•Alsocalledas“DuanePostulate”.
•DevelopedbasedonanobservationbyJ.T.Duane.
•Duaneobservedthatthecumulativefailureratevs
cumulativetesttimewaslinearonalog-logpaper
whenheplottedtestdatafromgenerators,hydromechanical
devicesandaircraftengines.
•Itisadeterministicmodel.
•UsedforTest-Fix-Testdata.

•MTBFCiscumulative=totalfailures/totaltime.
•MTBF0isatstartingpoint.
•T0isstartingtimeandisthegrowthrate.
•Canbeusedtoestimaterequiredtesttimetoreach
goalsoriftimeisfixed,determinehowmanysystems
mustbetested.
•Withgoodeffort~0.3-0.4forcomplexsystems.
•InstantaneousMTBFi=MTBF/(1-).

yeh 发表于 2009-5-9 08:11:05

学习学习,谢谢分享!!

defengzi 发表于 2009-5-13 10:49:25

MTBFCiscumulative=totalfailures/totaltime.应该是totaltime/totalfailures吧？

admin 发表于 2009-5-13 12:04:12

楼上朋友看得很仔细，附件第三页确实弄错了，写反了吧。

REing 发表于 2021-4-22 10:41:46

感谢楼主！！！！学习了！！！:D

tuoi521 发表于 2021-5-21 16:44:27

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Eleven.Lai 发表于 2021-6-18 15:08:24

大佬666，感谢你的资料

dahaish_ZI6HX 发表于 2021-8-3 15:16:21

很有用啊真好
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