城市道路交通路径选择模拟系统及模型体系研究

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1、北方交通大学博士学位论文城市道路交通路径选择模拟系统及模型体系研究姓名：贺振欢申请学位级别：博士专业：交通运输规划与管理指导教师：杨肇夏20030201北方交通人学博上学位论文Absn-act111epaperexpoundedtheconstnlctionofpathchoicemodelssystemmainlycomposedofmodelsofpathcostestima“on，pathchoiceandadjustnlent，travelers’seIf二leamingandtheinfluenceofkindsofguidance

2、system．Italsostudiedtheproblemsabout也esystemmodel，fr锄edesignandreIatedtechnologyused．Thepaperbuiltthesimulationmodelofpathchoice3ystem，a11ddiscussedframearchitectureincludingdesignobjectandprinciPle，fhnctionsandthesystemcon曲ruction．Itusethethou曲tofHLAforreferencetDbringoutt

3、hedesignprinciplesofopenandmodularization幻constructasimuIationplatfoⅡIlwithwe儿openingpropertyThepaperdiscussedobjectoriented姐dclass讯eddescriptionmemodsofthetramcnetworkandcorrespondingextractionalgorit№tomlfinthedemandsaboutdia研entsimujationgmnularityofre】atedmod。1s．Italsop

4、utforwardtheco衄ectibIecoe瓶ciemtosimpli匆thedescriptionofthenetwork，especialIywhoseconnectionprope『tychangedfrequentlylAccordingt0theaboVe，toge也erwiththenetWorkinfomlation，itimprovedthetraditionald幻kstraalgorit№．Thepaperconstructedthetimemodelonmebasisofsimulationsystemandtim

5、e．costmodeI．rtaIsoanaIyzedtheinnuenceoftravelriskinthecourseofpat王1choiceand，如rthermore，constructed出etravelriskmodel．RoadcIassmodelwasbroughtoutthen．onmebasisoftheabove．itbuilttbeime鼬atedcostmodel．ThepaperimprovedDial，theclassicaJalgorithmofLogitmodel，tostrengthentheadaptab

6、ilityTheimproVedalgorithmwasabIetotakeconnectionpropertyofnetworkintoaccount，givewholepathandmakethepathselectedmorereasonabIe．Thealgo订thmwassuitabletopathchoiceinsmaUerⅡetworkortheinitialvehiclesdistributioninla唱enetworkThepaperthencreatedaheu^sticpamchoicealgorithmto甜丘ll血

7、edem锄dofpathchoiceinlargene‰fkwhichcompressedthepathsetimoKpa也sandselectedthemostsuitableoneaccordingtoLogitmodeldirectlv．ThepapersubstitutedchallgeableKforfixedthenandpoimedoutthatKwouldch姐gealong谢血thedistarlcebet、ⅣeenthetraVelercurrentpositionandhisdestinationandbroughtup

8、correspondingKshortestpathsaIgorithrn．ThepaperstlldiedthenaVelerbehaVioraboutpatha