A study on the effects of the transit parking time ontraffic flow based on cellular automata theory

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1、Chin．Phys．BVo1．19，No．4(2010)048201Astudyontheectsofthetransitparkingtimeontraficflowbasedoncellularautomatatheory水QianYong—sheng(钱勇生))b)t，ShiPei—Ji(石培基)，ZengQiong(~琼)，MaChang-Xi(-~昌喜)b)LinFang(~芳)，SunPeng(孙鹏)，andWangHai—Long(汪海龙)b)a)SchoolofGeograptlyandEnvi

2、ronmentSciencelNorthwestNormalUniversity,Lanzhou730070IChinab)Scho¨Dj0fTrafica门dnan印0rtatj0n，La门0uJjaotD力gUniversity,Lanzh0u730070，China(Received4June2009；revisedmanuscriptreceived18August2009)Thispapermainlydealswiththeefectsoftransitstopsonvehiclespeedsand

3、conversionlanenumbersinamixedtraficlane．Basedonthoroughresearchoftraficflowandcellularautomatatheory，itcalibratesthecellularlengthandtherunningspeed．Also，acellularautomatamodelformixedtraficflowonatwo—lanesystemunderaperiodicboundaryconditionispresentedherew

4、ith，whichalsotakesintoconsiderationtheharbour—shapedtransitstopaswel1．Bymeansofcomputersimulation，thearticlealsostudiestheefectsofbusparkingtimeonthetraficvolume，thetransitspeedandthefast1anespeedatthesametime．Theresultsdemonstratethat，withtheincreaseofthebu

5、sparkingtime，thetraficvolumeofthetransitstopandthetransitspeeddecreasewhilethefastlanespeedincreases．Thisresultcouldhelpcalculatethetransitdelaycorrectlyandmakearrangementsfortransitroutesreasonablyandscientifically．Keywords：two—lanecellularautomata，mixedtra

6、ficflowmodel，harbour—shapedtransitstop，park—ingtimePACC：8220F1．Introductionit．[4-15]InRef．[4]，anewvehiclerunningmodelwasThecellularautomatonfCA1modelisoneoftheproposedwhichconsideredtheactualtraficsitua-griddynamicsmodelsinwhichtimeandspacearealltionsofourco

7、untry．Itconsistsofthecar—followingdiscrete．Itscomprehensivefeatures，suchaspower—model，theimpactneighbourho0d—carmodelandthefulcomplicatedcalculatingfunction，inherentparallelchanging—lanemodel，whichcouldreflecttheactualcomputingcapacity，highdynamicandhighflex

8、ibil—traficconditionsofChina．Basedontheanalysisofity，andsoon，enableittohavethestrongestcapacitymeasureddata，reference【5]establishedthefunctionalinthesimulationofthecomplicatedtrafictransporta-re