2023年全国硕士研究生考试考研英语一试题真题(含答案详解+作文范文)_第1页
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1、东南大学硕士学位论文基于MonteCarlo方法的地铁系统可靠性仿真研究姓名:张小辉申请学位级别:硕士专业:载运工具运用工程指导教师:李旭宏20100111ABSTRCTInrecentyearsallofthebigandmediancitiesareconstructingtherailtrafficasthemainframeworkoflargetransportationmodeonebyoneinourCORnt哆111ec

2、onstructionandoperationofrailtraffichasreachedunprecedentedlevelFacingthehugenetworkofmetrolines,howtoguaranteethesafetyandoperationonscheduleofthemetrosystemisaurgentlyproblemtoberesearchdeeplyTheresearchscopeisrelative

3、tothesafetyandreliabilityareas111eforeignstudiesandexperiencearekeptprivacyanditishardtoobtainThispaperusesthespacenavigation,electronicsreliabilityanalysismethodsforreferencestosystemicanalyzingthemetrosystem’Sreliabili

4、tyFirstlythepaperdiscussedthecommonlyusedreliabilitymethodsandcomparedthecharacteristicofthedifferentmodels,SO躺theSeriesChainmodel,parallelmodel,votingmodel,mixedstockmodelsandvotingstocksmodelsThen,thethreewidelyuseddyn

5、amicreliabilityanalyzingmethodshavebeenstudied,includingthestochasticPetriNetMarkovChainmodelandtheMonteCarlosimulationmodelSecondlyfromthefivesubsystemsasvehiclesystem,powersystem,railsystem,signalsystemandcommunication

6、system,themetrosystem’ScompositionandlogicmodelshavebeenresearchedThesubsystemsstructuremodelshavebeenestablished111epaperhasdonethefunctionalanalysisofthesubsystems,andtheeffectsofthekeyequipmentsinthewholesystemhavebee

7、nmanifestedThefaultsofthemetrosystemhavebeenanalyzedindetailfromthemacroscope,andthecommonfailurehasbeenstudiedalsothefaulttreemodelhasbeenestablishedFromthemicro—scopethefailuremodeeffectandcriticalanalysishavebeendonef

8、oreachsubsystemThirdlythepapermakesgreatemphasisonthesimulationofthemetrosystem’SfaultstochasticdynamicprocessbythemethodsofMonteCarloAccordingtothatequipmentunitfailurerateobeyedthenormaldistributionandexponentdistribut

9、ion,thepapersimulatestheequipmentunit’Sfailurehappeningandlastingtime,andthealgorithmofithasbeengivenouttosolvingtheMonteCarlomethodCombinedtheanalysisofFMECAofmetrosystem,thepaperUSeSthePetrinet,reliabilityblockdiagrama

10、ndMarkovChaintoconstructthereliabilitymodelofthepowersystem,vehiclesystem,signalsystem,communicationsystemandrailsystemBywayoftheapplicationof~IATLABsoftwarethereliabilitymodelhasbeenrecededtothesimulationprogramAccordin

11、gtotheinitialparametersofsubsystems,thereliabilityresultsandconvergenceinspectionhasbeendonebytheprogram,andthemeantimebetweenfailure(MBTF)ineachfailuremodewasgivenIntheend,theconceptofsystem’SavailabilityisputforwardItl

12、inksthesystem’SreliabilitymaintenanceandavailabilityAnalyzingthemaininfluencingfactorofmetromaintenanceefficiencycombinedwiththereliabilitycomputedresults,thepapercomputedtheavailabilityofeachsubsystem,andthedifferentmai

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