单交叉口公交优先信号控制方法-研究

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1、西南交通大学硕士研究生学位论文第VI页AbstractWiththecityexpandingandincreaseofthenumberofmotorvehicles，theurbantransportationcontradictionbetweensupplyanddemandisincreasinglyprominent．TrafficcongestionisgrowingtobeaveryimportantissuetOberesolvedworldwide，especiallyinChina,bec

2、auseofthehugepopulationandrelativelybackwardtransportationinfrastructure．Thefundamentalpurposesoftransitprioritystrategyaswellaskeyissuesoftransitprioritysignalcontrolareasfollows：preferentialdevelopmentofpublictransit,operatingefficiencyimprovementsofpublic

3、transport,anddecreaseddelaytimeofpublictransportatintersections．Theresearchobjectofthisthesisisthetransitprioritysigr斌controlinsingleintersection．Thetransitprioritysignalcontrolalgorithmregardingsingle—phaseandmulti-phase伽cflowisprobedonthebasisofactivetrans

4、itsignalcontrolmethodandresearchresultsathomeandabroad．Inthecontrolresearchofsingle—phasetransitsignalpriority,withtheoptimizationgoalsofbalancingthebenefitsofnon-priorityphaseofgeneraltra伍c，thecontrolmethodoftransitsignalpfiodtyWasputforward，whichisunderthe

5、designofsingle-loopphaseanddouble—loopphaseandonthebasisofgreentimecompensation；thewholecontrollogicoftransitsignalpriori锣isformulatedunderthesetwotypesofphasedesigns，aswellastheincludedeachmodulecontrollogic．Besides，thechangemodelsofpublictransportation,soc

6、ialvehicles，andaveragepersondelayintheintersectionarebuiltundereachpriodtystrategy．Moreover,thefeasibilityandapplicabilityofprioritycontrolmethodisverifiedandanalyzedwithrealcases．Inordertomakethetransitsignalpnodtycontrolmethodsuitableforthecomplicateddomes

7、ticpublictransportnetwork,themultiphasetransitprioritysignalcontrolstrategyisstudieddeeplyinthisthesis．Thethesisanalyzesthekeyissueandoptimizationgoalofmultiphasetransitprioritysignalcontr01．AftertheanalysisoftheinsufficiencyofFCFS(FirstComeFirstService)orde

8、rcontrolstrategyundermultiphasetransitpriorityapplication,animprovedstrategyisputforwardaswellasacomparisonoftheeffectsbetweenthesetwostrategies．Finally,thethesisintroducesthedecisiontreemethodt