大修汽车可靠性评定研究

10319979ChinaJournalofHighwayandTransportVol110No13Sep11997[,,130025]:,QCn,,,:,,:U46117ResearchonHeavyRepairedAutomobileReliabilityEvaluationWangYaobinZhengDianwangSongNianxiu[JilinUniversityofTechnology,Changchun,130025]Abstract:AccordingtothecharacteristicofChineseautomobilerepair,combiningPRC’SZBQCnEvaluationaryMethod,basedontheevaluationoftheheavyrepairedautomobile’smonolithicreliability,suggestionsarepresented.Keywords:Automobileheavyrepair,Automobilereliability,Faults,,,1,,,111()MTTFF,,:1996205223©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=1n[ni=1ti+(n-n)t]TfL:TfL=2TV2(2n+2,1-A)T=ni=1ti+(n-n)t:n;n,n=0,n=1;tii(),km(h);t(),km(h);A,A=013112()MTBF(),,Tb:Tb=ntrTbL:TbL=2ntV2(2n+2,1-A):r,r=0,r=1;113D,,:D=1000nt4j=1Ejrj:rjj;Ejj,:E1=100,E2=10,E3=1,E4=012111,,,,2,,(30min)3,,(30min)4,,(5min)5113:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=CP+CRGL:CP();CR();G(t);L(km)2,MT2TFFMTBFD,Q:Q=B(Tf+Tb)+80e-CD:Tf(),km(h)(TfTfm,Tf=Tfm);Tb(),km(h)(TbTbm,Tb=Tbm);D;BC(),22TfmTbmBC150025000100501174Q,,,33(Q)90Q10075Q9060Q75Q60:,3,(6000km),,10,44,10,;14,21,710,311,m;m=1,017m113,6111997©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(km)11653012429434292428603531462021223,323000333900245200355200303143932296423296434300045342026349647349630419033238982338984051110232110243452134465835479536493237493228548039561730611488223500()333750407124533240002340002081432022452040914500224600234650345100,310158562,m=0188;m=0187m,,57113:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(km)16522343990311021488245343204500585612345678910(à)617016130261035160451205418064141741008316593127312(1)MTTFFTf=1n[ni=1ti+(n-n)t]=2144.90km(2)MTBF:Tb=ntr=1714.30km(3)DD=1000nt4j=1Ejrj=2.71313QQ=B(Tf+Tb)+80e-CD=65199,,,,661001020304050607080910MTTFF1652234399031102148824534320450058562145MTBF15001200120030007503000200060001500600017144j=1Ejrj221214231411121712111221101222101612D31721331911821861183151173171172171Q50143601484818674189571917718161109791575713579191651994,10,40à;MTBF1714km(369km),,,;,(126)8111997©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(MeSH(),,,,,,111:,1995,7211:,1995,9311,1991,11()411,1997,(2)5GB6447861(118)(1),,,(2);,(3),,,,(4),,,(5),,,(6),,,111:,1986,12211:,1991,26211997©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.