系統(tǒng)模糊可靠性研究.pdf

1、蘭州理工大學碩士學位論文系統(tǒng)模糊可靠性研究姓名：李冬娜申請學位級別：碩士專業(yè)：運籌學與控制論指導教師：張民悅20080428AbstractFuzzinessinpracticalen舀neeringwidespread，andwhenthesamplesizeissmalleffuzzinessinthereliabilityaIlalVsisplaVadecisiveroleFuzzVreliabilitVanalVsismetho

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6、ngsFuzzyreliabilitVOfthecmxOftheproblemishOwt0buildGMfcliability0fthemOdel鋤dtofinde虢ctiveaIgOrithmfortheevaluatiOnofsVstemperfbmanceTheresultsareexpectedtobeextensivelVappliediIltheen舀neeringsystemsimulationanddesignThis

7、analysismethodisof伊eattlleoreticalaIldhaswideapDlicatiOnsinthenItureThispaperstudiestllecontentOfreliabilitytheoryfIlzzymath，the砌domprocessmeoⅨalldmechallicaIengiIIeeringprojectofthecrosscuttingareaSItusereIiabilitytheor

8、yandfuzzVreliabilitVtlleoryto觚alVsethefeliabilityofthelar日eandC0mplexsysteminordert0establishthesVstemmodelforsometypicalsVstemofreliabilitVandindicatOrs0ftheIeliabilitvoftheanalvsisandcalculationmethodsOnthebasisofprevi

9、ousstudiesinnIzzVreliabilitytheOry’wemakeamorein—depthstudyinthefollowingaspects：(1)Fuzzvreliabilitymodel鋤ditsapplicationOnthebasisoftheclassicaltheorv0freliability，weintroducemerelev卸tfuzzVsettheory’establishfuzzyreliab

10、ilitVmodelOfreliabilitybasicmodel0fthesystem，such嬲serial，parallel，thevotingsVstem，andmaketherelationshipbetweenmodulesofthesvstem姐dthereliabilitvOfthefnzzy，fuzzyfailurerate，fhzzyaveragelifeeXpect柚cy，卸d0therjlldicatOrS鋤dt

11、hemathematiCalexpression(2)Systemfuzzyreliabilitvoptimizationallocationmodel柚ditsalgorithmWeaIlalysetheresearchmethodsofthemechanicalfuzzVreliabilitVofthedesi霉皿t0optimizethereliabilitvoftheobiectivefunctionandconslraints

12、，anddiscusstheprincipleilldetailinfhzzya190rithm0ptimizationproccssofthefuzzyreliabilitych鋤酉ngintotheconventiomla190ritlllllAtthes鋤etime，westatetheoptimaldesi印0fthethreeb硒icconceptsOfunderstallding觚dme觚ingFinally’sumupth