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2611200911JournalofHighwayandTransportationResearchandDevelopmentVol126No111Nov12009:1002O0268(2009)11O0117O06:2008O11O12:()(2006A11Z211);(2005A10101001):(1985-),,,,1(sunchao20105065@1631com)Synchro孙超,徐建闽(,510640):,Synchro(PDM),Synchro,11241102,8518s6013s,FESynchro:;;Synchro;;:U491:AStudyonTrafficSignalTimingOptimizationforSinglePointIntersectionBasedonSynchroSoftwareSystemSUNChao,XUJianmin(SouthChinaUniv1ofTech1,SchoolofCivilandTransportationEngineering,GuangzhouGuangdong510640,China)Abstract:First,theexistingresearchresultonsignaltimingmodelwasintroducedsystematically1Then,thesignaltimingoptimizationmodel,PDMpercentiledelaymethodmodel,queuelengthcalculationmodel,parkingratecalculationmodel,capacitycalculationmodelandlevelofservice(LOS)modelinSynchrosoftwaresystemwereanalyzed1TakentheNorthTianheRoadandtheEastTianheRoadintersectioninGuangzhouforexample,therealOtimephaseandphasesequenceoftheintersectionwereoptimizedcompletelywiththecomprehensiveperformanceindicatorwhichconsistsofdelay,parkingrateandqueuelength1ThemaximumV/Cratiomaydecreasefrom1124to1102,theaveragecontroldelaymaydecreasefrom8518sto6013sandtheLOSmaybeimprovedfromLevelFtoEafterSynchrosystemoptimization1TheexperimentalresultsshowthattheapplicationofSynchrosystemcanimprovethecontrollingeffectoftheintersectioneffectively1Keywords:trafficengineering;signaltimingoptimization;synchrosoftwaresystem;singlepointintersection;simulation0,,,,,,,,,:[1],WebsterARRB;,;,,[2-4],[5-6],[7],YD;,()[8],[8-9],:TRANSYT[10],Cabal[11];,VISSIMTSISSyn2chro[12],;,Synchro,,,,Syn2chro,,Synchro1SynchroTrafficware,HCM2000,Synchro710Synchro,111,SynchroSynchro90%,70%50%90%,90%Synchro(),(90%70%50%),,,,,,P:P=D@1+St@10+Qp@1003600,(1),P;D;St;Qp,Synchro(),,Synchro:tP=7+Lpvp-I,(2),Lp;vp,112m/s;I112SynchroHCM2000Webster,(PDM,PercentileDelayMethod),(HCM2000)Webster,PDM3:(1);(2);(3)PDM;:VDp=vp@(C-G)22(1-vp/s),(3)11826,VDpp;vpp;s;G:Dp=C@[2-(G/C)]22(1-Xp@G/C),(4),Dpp;Xp=vpS@G/C;G;C:vp=v+[zp@v@C/3600]@3600C,(5),zp10%30%50%70%90%-1128-0152001521128,:D=VD10+VD30+VD50+VD70+VD90(v10+v30+v50+v70+v90)@C/3600(6)113Synchro,95%50%,,1,R;V;S;Q(,,Synchro6s,1);Q21Fig11IllustrationofvehiclearrivingOleaving2,SynchroQ:Q=V3600@(R-6)@1+1S/V-1@LnFu,(7),Q;R;S;V;L;n;Fu(V/C)1,SynchroQc,:Qc=V@(C-6)+(V-S@G/C)/3600,(8),114ihi:hi=Ej019C-Gej1-yij,(9),Gejj;yijij:H=Eni=1hiqi/Eni=1qi(10)115HCM2000:Ci=SiKi,(11)Ki=GeiC,(12),Ciii;Siii;Geii;Ki;C,HCM20001900pcu/,315m;Synchro,,,HCM2000116SynchroHCM2000,HCM2000,HCM97,11Tab11ControldelayandLOSrelation/sA10sB10~20sC20~35sD35~55sE55~80sF80s,221111911,:Synchro(1)()(),2,(m)(m)22Fig12Thegeometryoftheintersection(2)2(17B00-18B00);()6%,7%,5%,5%2(:veh/h)Tab12Vehiculartrafficvolumeatpeakhours(unit:veh/h)4532593915513575317378513003512473001110114113751702(3),3,:30,35,35,30s;130s3s,1s3Fig13Thetimingschemefortheintersectionundercurrentsituation212Synchro/(V/C)1124,8518s,F33,,F;V/C95%,,1231616310s,,Synchro213Synchro4,5,26,34,31,25s;116s,3s,,1s43Tab13SimulationresultofparametersundercurrentsituationV/C017811010151111111240157017701500160014401730157/s311026105710311026105710261031105710261031105710/s5417701780121231616310691258124514581948115210101156712134195412661485185087832693286012244213032712234803024713/(veh#h-1)764972359384645331641778438641788373711495%/m10018119161421619615181171141185166416120174819971817313144612DEFFFEEDEDDFEFDEF120264Fig14Thephasetimingschemethroughoptimization5SynchroFig15Thephasetimingthroughoptimization,Synchro,12,12(),;4;34,4,V/C1102,6013s,29172%,E,D,;4Tab14SimulationresultofparametersthroughoptimizationV/C019911000150110201960143018501510157014901750159/s221022104310301030105110211027104310211027105110/s801377168617841165114516601841155610451948149015801162135313551860134937702633386602174153052712284842994743/(veh#h-1)608922340417834428580760418580769365702195%/m1121211316135141711613919861586125819116114515881916018131516FEFFEDEDEDDFFEDEE144612m131516m,,Synchro130s116s,,,;7114/h7021/h,,;47134743,,3Synchro,F,,,:References:[1],1[J]1,2005,5(1):111-1151XULiangjie,WANGWei1ModelofPedestriansCrossingTimeatSignalizedIntersection[J]1JournalofTrafficandTrans2portationEngineering,2005,5(1):111-1151[2],,1[J]1:,1998,24(4):13-161LILongzhen,LIUJingai,LIZonglv1AnOptimalTrafficSig2nalSplitsinIsolatedIntersection[J]1JournalofYanbianU2niversity:NaturalScienceEdition,1998,24(4):13-161[3],1[J]1,2002,19(4):14-161YUANChunhua,SHIFeng1UsingTrafficStreamCharacteris2ticsofConflictPointtoDeterminSignalTimeofSignalizedInter212111,:Synchrosection[J]1JournalofEastChinaJiaotongUniversity,2002,19(4):14-161[4],,1[J]1,2002,14(7)1CHENShuyan,CHENSenfa,HUANGYi1FuzzyControlSystemDesignofMultiOphaseTrafficSignalsinIsolatedIntersection[J]1JournalofSystemSimulation,2002,14(7)1[5],,1[J]1,1999,20(4):31-341PUQi,TANYongzhao,YIANGChao1SignalOplanningOpti2malModelforIntersection[J]1JournalofShanghaiTiedaoUniversity,1999,20(4):31-341[6],1[J]1,2001,1(4):60-661WANXujun,LUHuapu1ARealTimeSelfOadaptiveTrafficSignalSettingOptimizationTheory[J]1JournalofTrafficandTransportationEngineering,2001,1(4):60-661[7],