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1、北京交通大學(xué)碩士學(xué)位論文基于元胞自動(dòng)機(jī)的城市路段混合交通流建模與仿真姓名：應(yīng)力天申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：城市交通工程指導(dǎo)教師：魏麗英;邵春福20080601ABSTRACTChinaisakingdomofbicycleswithmostpeopletakingitasthemostimportanttooloftransportation．Duetotheubiquityofbicycles，transportationsystembecomesmorecomplicatedandmixedtrafficisalsoextremelyprominen
2、t．Moreover,theinterferenceofbicyclesonmotorvehiclesisoneimportantinducementtocausetrafficjams．Therefore，itismeanfultooptimizemixedtraffic．Proposedin1990s，thisnewdynamicsmodelCA(CellularAutomaton)ModelforTrafficFlowanditsdevelopmenthasofferedUSnotonlyanewtheoreticalapproachtotraf
3、ficflow,butalsoanefficienttoolinregardtothestudyofsystematicintegrativebehaviorsandcomplexphenomenaindynamictheoriesoftrafficflow．Atthebeginningofthispaper,wereviewstheclassicalmodelsintrafficflowtheories，andexploresindepththeconnotationofCAModelforTrafficFlowanditsmainmodelsapp
4、lication．Onthisbasis，modelsformixedtrafficflowinChinesecitiesarebuiltandtheirvalidityandreliabilityareanalyzedthroughsimulation．ThedetailedfindingsareshownaSfollows：PlanarCAmodelforbicycleflowhasbeenbuiltinchapter3．Thismodelnotonlytakesmaximumvelocitydifferencesbetweendifferentr
5、idersintoconsideration，butalSOprobesintorandomslowdownprobabilityandfindsthatrandomslowdownisdirectlyproportionaltovelocityTheresultofsimulationindicatesthatthismodelisofhighperformanceintheaspectsofcapacitysimulationandvelocitysimulation，consistentwiththeoreticalvaluesandmeasur
6、edvalues．Chapter4proposestwoamelioratedCAmodelsforbicyclesandmotorvehicles：oneisunderthisconditionoffricationinterferenceinmixedtra街c．Itconcludesthatwhenthedensityofmotorvehiclesisandthatofbicycles，thevelocityofmotorvehiclesismuchmoresensitivetothechangeofbicyclesdensitywhilebic
7、yclesarerarelyinterferedbyfricationinterference．Thevalidityofmodelsisalsovalidatedbyinstances．Anothermodelisunderthesituationofretracedinterferenceinmixedtraffic．Simulationresultsdemonstratethatinthissituationtheinterferenceinfluencesonbothbicyclesandmotorvehiclesaresignificant．
8、KEYWORDS：Tra伍Cflow：CellularAutomaton；Trafficsim
