Cellular automation model for analyz.docx

CellularautomationmodelforanalyzCellularautomationmodelforanalyzingcapacityofbranchroadsectionAbstract：Inordertoreducethetrafficpressureofurbanarterialroadwiththerationalutilizationofthebranchroad,thevehiclemeetingbehavioronthebranchroadwithoutdividedlanewasdescribed,andthecellularautomation(CA)modelwasputforwardbyintroducingmeetingbehaviortoreflecttherelationbetweensafemeetingspeedandroadwidth.Thenumericalsimulationresultsdepictseveralrelationcurvesbetweenroadsectioncapacity,speedandroadwidthunderdifferentdirectionaldistributionsoftrafficflow,aswellasthecurvesbetweenthemajorandminordirectionsaturationflow,speedandroadwidth.Theserelationcharacteristicsindicatethatexcepttheone-wayroadsectioncapacityandspeedremainingunchanged,otherroadsectioncapacitiesandspeedsunderdifferentdirectionaldistributionsincreasewiththeincreaseofroadwidth.Onnarrowroad,thetwo-waytrafficcapacityandspeedarelessthanthoseofone-waytraffic;onwideroad,thetwo-waytrafficcapacitydoublesthatofone-waytraffic,buttheirspeedsarealmostthesame.Asthedirectionaldistributionmovestoanevendistributionof50/50,themajordirectionsaturationflowsandspeedsaswellastheminordirectionspeedstendtodecease,whiletheminordirectionsaturationflowtendstoincrease.作者：Author：WANGYing-zi[1]  LONGDong-fang[2]  SHIFeng[3]作者单位：SchoolofTrafficandTransportationEngineering,CentralSouthUniversity,Changsha410075,China;CollegeofCivilEngineering,HunanUniversity,Changsha410082,ChinaChangshaUrbanConstructionTechnologySchool,Changsha410216,ChinaSchoolofTrafficandTransportationEngineering,CentralSouthUniversity,Changsha410075,China期刊：中南大学学报（英文版） EISCIJournal：JournalofCentralSouthUniversityofTechnology(EnglishEdition)年，卷(期)：2011, (5)分类号：U491.112Keywords：urbantraffic  roadsectioncapacity  safemeetingspeed  cellularautomationmodel  机标分类号：U49TN9机标关键词：analyzing    model    direction    trafficcapacity    sim