智能交通诱导系统中动态交通信息预测技术研究

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1、重庆交通大学硕士学位论文智能交通诱导系统中动态交通信息预测技术研究姓名：公维勇申请学位级别：硕士专业：载运工具运用工程指导教师：焦海贤20080301ABSTRACTWiththedevelopmentofsocialeconomy,therelevantproblemsoftrafficsuchastrafficjam、trafficaccident、environmentalpollutionandenergyshortage，etc，havealreadybecomeoneofprimaryproblemsofthecitythroughouttheworld，espe

2、ciallythebigcities，andithavealreadybecomethemainbottleneckwhichhasrestrictedsustainabledevelopmentofthecity．Intellectualtrafficsystemcanplaytothepotentialityoftheinfrastructureofexistingtraffictothemaximumextent，relievetrafficjam，protecttheenvironment，improvethesecurity’reduceenergyconsumpt

3、ion，raisetheefficiency,SOitWasconsideredtobeoneofthemostimportantmeasurestosolveofthetrafficprobleminthiscentury．ITSinvolvesalotoftechnicalfields，butitskeytechnologyiSprovidingthereal—timeanddynamictrafficstatusinformationstothevehicle，journeyandthetrafficmanagements．Inthispaper,onthebasiso

4、fdiscussionofthedomesticandoverseasstudiesofdynamicnetworkmodelsandalgorithms，accordingtothecharacteristicsofcomplexity,dynamicsandrandomnessofthetrafficsystem，transformthenetworkofprimitiveroadintoanew,virtualspace—timetrafficnetwork，andmergeexistingdynamictrafficnetworktheoriesonthisbasis

5、andsetupthetrafficstateanalyzemodelwitchwithmutualmechanismofthedynamiccapacityofthenetworkofreal-timedynamicflowandspace—time，andindetailanalyzetheroadsectionrestraint(dynamictrafficcapability)inthemodel，andproposethecorrespondingalgorithmaccordingtothemodelcharacteristic，thatisthedistribu

6、tionalparallelalgorithmbasedonspaceandtimevirtualnetwork．Constructanexperimenttrafficnetworkfinally,andcarryonreal-timepredictionandanalysistoitsnetworkflow,testmodelandfeasibility,practicability,rationalityofthemodelandalgorithm．Theconclusionindicates，thedynamictrafficpredictionthatthistex

7、tputsforwardpredictstechnologycanimitate，follow,debateandpredictthereal-timeandfuturetrafficflowstate．ProvidetheoriesandmethodstotheITSthatintegratingthefunctionsuchasdynamictrafficguidance，dynamictrafficsystemmanagementandcontrolanddynamictrafficjameasi