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1、铁路技术站取送车作业研究AbstractInregionalmarshallingstation,districtstationandfreightstation,freightvolumesarelargerthanotherstations.Asanimportantwork,thequalityofplacing-inandtaking-outshuntingoperationinfluencesotherassignmentsdirectly,eventheworkefficiencyandcompetitionofthestation.S
2、othestudyonplacing-inandtaking-outshuntingisimportanttoimprovestationproductionindexes,suchastheutilizationrateoflocomotive,wagon’sresidenttimeatstationandtraindeparturepunctualityrate,etc.Onthebasisofpreviousresearchresults,theplacing-inandtaking-outshuntingproblemwasstudiedi
3、nthispaperfromtheoptimizationtheoryandmethodaspects.Themainworkisasfollows:(1)Theelement,classification,functionandcharactersofthewagon’splacing-inandtaking-outshuntingsystemweredescribedindetailwhichlaidthegroundworkforfurtherresearch.Fromtheperspectiveofcoordinationinsystema
4、ndcooperationwithexternalsystem,severaladviceandwaystocompressworkingwagon’sresidenttimeatstationwereputforward;(2)Theclassificationanalysisofdefiniteandindefiniteinfluencingfactorsofwagon’splacing-inandtaking-outcanweakentheimpactofadversefactorsandimprovethequalityofworkinth
5、estation.Thediscussionofthemethods’descriptionwithrandomvariablesandmodelscanprovidesomereferenceforfutureresearch.Consideringtheactualworkconditioninstation,thecalculationandverificationofthebestplacing-inandtaking-outtimesofrandomarrivalwagonsingoodsyardorinonlyoneprivatelin
6、ewasimprovedbyincreasingtheconstraintconditionsoflocomotive’snumberandworkload.Theimprovementsofindexes,suchasplacing-inandtaking-outtimes,loadingandunloadinglines’capacitylimitsandlocomotive’sworkingtime,etc.wereanalyzed,whichindicatedthecomputationmethodwasmoreeconomicalandr
7、easonable,andwashelpfulforstationtoadjusttheworkaccordingtothestation’spersonnelqualityandequipment.(3)Theprocedureofplacing-inandtaking-outproblemonactinoidprivatelinewasstudiedundertheconstraintsoflocomotive’stowingcapacity,loadingandunloadinglines’capacityandsomespecialpriv
8、atelines’workingmodewhichisonlydeliveryorretrieve.Considering
