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1、Commun.Theor.Phys.(Beijing,China)45(2006)pp.657–662cInternationalAcademicPublishersVol.45,No.4,April15,2006ATwo-LaneCellularAutomataModelwithInfluenceofNext-NearestNeighborVehicle∗KONGXian-Juan,GAOZi-You,andLIKe-PingSchoolofTrafficandTransportation,Beiji
2、ngJiaotongUniversity,Beijing100044,China(ReceivedJuly11,2005)AbstractInthispaper,weproposeanewtwo-lanecellularautomatamodelinwhichtheinfluenceofthenext-nearestneighborvehicleisconsidered.Theattributesofthetrafficsystemcomposedoffast-laneandslow-lanearein
3、vestigatedbythenewtrafficmodel.Thesimulationresultsshowthattheproposedtwo-lanetrafficmodelcanreproducesometrafficphenomenaobservedinrealtraffic,andthatmaximumfluxandcriticaldensityareclosetothefieldmeasurements.Moreover,theinitialdensitydistributionofthefast-la
4、neandslow-lanehasmuchinfluenceonthetrafficflowstates.Withtheratiobetweenthedensitiesofslowlaneandfastlaneincreasingthelanechangingfrequencyincreases,butmaximumfluxdecreases.Finally,theinfluenceofthesensitivitycoefficientsisdiscussed.PACSnumbers:05.50.+q,02.50
5、.Ey,89.40.-aKeywords:cellularautomata,car-followingmodel,doublelook-aheadmodel1Introductionmodelincludingdifferenttypesofvehicles.Jiaetal.[16]gaveatwo-lanemodelwithhonkeffect.AllthemodelsInlastdecades,thetrafficproblemshavegainedcon-abovedonottakeintoacco
6、unttheinfluenceofthenext-siderableimportance.Sinceitishardtogetaccuratenearestneighborvehicle,butthisinfluenceisinexistenceanalyticsolution,computersimulationisoftenusedtoinrealtrafficandcannotbeignored.studyit.Cellularautomata(CA)modelisoneoftheInthispap
7、er,anewtwo-laneCAmodelinwhichthemostpopularsimulationmodels.SinceCAmodelisdis-influenceofthenext-nearestneighborvehicleisconsideredcreteintime,space,andstates,itismoresuitableforisgiven.Thesimulationresultsshowthattheproposedcomputeroperation,especiall
8、yparallelcalculation.Onetwo-lanemodelcanreproducesometrafficflowstatesthatofthemostimportantCAmodelsisNagel–Schreckenberghavebeenobservedintherealtraffic,andthatmaximum(NaSch)model,[1]whichwasproposedin1992byNagelfluxandcriticaldensityareclosetothefi
