介绍MTBF的英文教材,请大家参考!~
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Reliability and MTBF Overview
kingdodoo
Lv.4
thankyouverymuch
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gavin.fung
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Thanksforyourshare.
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zhanghjspace
Lv.4
多谢了，多谢分享！:handshake
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william1979
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感謝分享~下載來學習一下!!!
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holly123456
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谢谢LZ的分享!
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laputadancer
Lv.1
谢了，新手学习下。
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chenzhengiaven
新手学习中
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yeh
Lv.6
任务达人
MeanTimeBetweenFailures(MTBF)
ReliabilityisquantifiedasMTBF(MeanTimeBetweenFailures)forrepairableproduct
andMTTF(MeanTimeToFailure)fornon-repairableproduct.Acorrectunderstanding
ofMTBFisimportant.ApowersupplywithanMTBFof40,000hoursdoesnotmean
thatthepowersupplyshouldlastforanaverageof40,000hours.Accordingtothetheory
behindthestatisticsofconfidenceintervals,thestatisticalaveragebecomesthetrue
averageasthenumberofsamplesincrease.AnMTBFof40,000hours,or1yearfor1
module,becomes40,000/2fortwomodulesand40,000/4forfourmodules.Sometimes
failureratesaremeasuredinpercentfailedpermillionhoursofoperationinsteadof
MTBF.TheFITisequivalenttoonefailureperbilliondevicehours,whichisequivalent
toaMTBFof1,000,000,000hours.TheformulaforcalculatingtheMTBFis
Sita=T/R.
Sita=MTBF
T=totaltime
R=numberoffailures
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woodsean
Lv.2
学习一下下
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echely_lin
Lv.1
:handshake学习了，非常感谢
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