列车开行模式对动车组运用的影响分析

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1、万方数据ABSTRACTWiththelarge··scaleconstructionofhigh·-speedrailway,thepassengertransportdemandisincreasing，moretrain—setsareneededtocoverthetimetable．However,thetrain-setsaresoexpensivethattheyoccupyalargerproportioninhi。ghspeedrmlwayinvestment，inordertosavetheinvestmentandoperationcost，therailway

2、relateddepartmentshopeitcancoverthetimetablewithminimumnumberoftrain-setsandimprovethetrain—setutilizationratios．Thenumberoftrain—setsandutilizationratiosarerestrictedtothetrainoperationmodes．Thispapermainlystudiedtheimpactoftrainoperationmodesontrain．setutilization，SOastohaveaconsiderabledecre

3、asingofthenumberoftrain—setsandimprovethetrain—setutilizationratios．ThemainworkandachievementsCallbesummarizedasfollows：1．Thebasicfeatures，advantagesanddisadvantagesandapplicableconditionofdifferenttrainoperationmodeswereanalyzed．Basedonthroughandtransfermodes，thispaperconstructedfourtrain—setu

4、tilizationscenesbycombiningdifferenttrain—setutilizationmodestostudytheimpactoftrainoperationmodesontrain—setutilization．Viatheanalysisoftrain-setroutingbasicfeaturesinthisfourscenes，thispapersummarizedtheimpactisconcemedwithwhetherthetrainoperationstructuresareeasytoformthetrain-setroutingwhic

5、hcontainsthelongandshorttrainlines．2．Basedonthetrain-setutilizationmodesofourhighspeedrailway,thispaperbuildthetrain．setroutingoptimizationmodelswhichfacesingledepot，multipledepotswithmaintenanceintheirowndepotsandmultipledepotswithmaintenanceineverydepots，respectively．Themodeswereconstructedon

6、thetransitionnetworkwiththetrainlinesasthenodesandthefeasibletransitionarcsasthesides，consideredthefirstlevelmaintenancerequirementsbothoncumulativeoperationtimeandmileage，traindiagramandtrain-setsconservationconstraintsandaimedtoCOVerthetimetablewithminimumnumberoftrain-sets．Inaddition，toimpro

7、vethesolvingefficiencyofthemodels，thispaperproposedtwotransitionnetworkconstructionstrategiestodecreasethenetworksizeandreducethenumberofconstraints．Finally,thispapersolvedthemodesonpracticaldatabyCPLEXsoftware．Theresultsshowthato