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ID:31957130
大小:8.15 MB
页数:58页
时间:2019-01-29
《干线信号协调下的有轨电车优先-研究》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、AbstractAsamedium’capacityofrailtransit,theflexible,environmentala11dcoII]【f:brtablemodemtramiswelcomedbyalotofcitizens.However,comparedwithsocialvehicleaIldbus,tramhasitsownuniquedrivingcharacteristics,thusthetraditionalsignalcon响lmethodwillhaveanegativeimpactonitsoperational
2、efficiencyandsafety.Accordingtothedrivingcharacteristicsoftram,drivingenvironmentofmixed倘caIldtheshortdistancebetweenintersections,itisallimportanttopicabouthowtoprovidesignalprioritywhenthetramscrosstheintersections.Basedontram’Sdrivingcharacteristicsanditsimpactonothertraffi
3、cflow;thisthesisresearchedsignalpri谢tycontrolmethodforthetramwhencrossingtheintersection.Themainpurposeofthisthesisisgivingtramsignalprioritytokeepitsservicequality,whileensuringtheeffectivenessofothervehicles.Firstly,tram’sdrivingcharacteristicsandtheimpactionofthetramsignalp
4、riorityonothervehicleswereanalyzedinthethesis;thenthetramsignalprioritycontrolsystemwasdesignedbythedetailedanalysis.Twosubsystemswereincludedinthissystem:roadsignalcoordinationcontrolsubsystem,tramsignalprioritysubsystem,andfourmodmeswereincludedinthissystem:trafficinformatio
5、ndetectmodule,intersectionsignalcontrolmodllle.progressmnsignalcontrolmodule,tramsignalprioritycontrolmodule.BasedontrafficinformationwhichWasobtainedbytrafficinformationdetectmodule.thesignalcycle,greenratioandeffectivegreentimewerecalculatedbyintersectionsi鲫融controlmodule.On
6、thebasisofintersectionsignalcontrolmodule,intersectiondelaywasconsideredastheobjectivefunctionbyprogressionsignalcontrolmodule,arldmephaSeateachintersectionalongthearterialWasoptimizedbyusinggeneticalgorithmintheprogressionsignalcontrolmodule.Onthebaseoftramholdingstrategy,gre
7、entimeextension,andearlygreen,tramsignalpriorityWasproposedbytramsignalprioritycontrolmoduleFinally,thesimulationmodelWasdesignedtoevaluatetheperformanceoftheproposedtramsignalprioritysystem.TheresultsshowthatthemodelsCaneffectivelyreducevehicledelay,accomplishtramsignalpriori
8、tyandachievethetrampunctuality.KeywordsTram;signalpriority;pr
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