高速公路路段運行狀況評價與分析研究.pdf

1、東南大學(xué)碩士學(xué)位論文高速公路路段運行狀況評價與分析研究研究生：韭毅蓮導(dǎo)師：裝壬副麴授東南大學(xué)交通學(xué)院二零零五年三月東南大學(xué)壩十學(xué)位論文Abslr瓤tAbstractInrecentyears，alongwiththerapiddevelopmentoffreewayinourcountrythefreewaynetworkisdevelopinggraduallyAtthesametimefreewaymanagementhastobe

2、facewithhigherrequirementandgreaterchallengethanbefore，1kpurposeofthisdissertationisthroughthestudyoncomprehensiveevaluationandanalysisofoperationstatusoffreewaysection，toprovidethescientificbasesanddatumforfreewaygovern

3、orandtoimprovetheleveloffreewaynetworkmanagementandservice，furtherConsideringtheaetualityoffreewayinourcountrythisdissertationisstudiedforthreeimportantaspectsonfreewaysection：dynamiccomprehensiveevaluationofoperationsta

4、tusautomaticincidentdetectionandshottermtrafficflowpredictionn圮threeaspectsarerelatedtooneanotherandeachaspectreflectsthedyrnamicoperationstatusoffreewaysectionfromaspecialsideInthefirstaspectthisdissertationfirstlyprese

5、ntstheevaluationattributesystembasedonanalyzingcommonattributes，thenthedissertationstudyandanalysisallexistingcomprehensiveevaluationmethodsAccordingtotherequirementofdynamiccomprehensiveevaluationofoperationstatusonfree

6、waysection，thedissertationpresentsanewdynamicevaluationmethodcalled“classifystatusfirst，evaluatetrendlater’Itisthefirsttimethatthedynamiccomprehensiveevaluationmethodisappliedonsystemevaluationoftrafficfieldneapplication

7、exampleprovesthevalidityofthenewmethodInthesecondaspect，thehistoryanddevelopmentofincidentdetectionalgorithmsarefirstlyreviewedbrieflyandthenthetheoriesandcharacteristicsofallpopularincidentdetectionalgorithmsarcanalyzed

8、BasedontheanalysisoftheiradvantagesanddisadvantagesandconsideringtheactualityoffreewayinourcountryamorepracticalandeffectiveincidentdetectionmethodispresentedInthethirdaspect，thedissertationpresentsashort—termtrafficflow

9、predictionmodelbasedonimprovedbackpropagation(BP)neuralnetworkafteranalyzingtheexistingtrafficflowpredictionmethodsAdaptivestudyrateandLevenbergMarquardttrainingalgorithmareappliedfortheimprovementandoptimizationofBPneur

10、alnetwork。Attheendofthischaptersimulationexperimentsofthisalgoithmareillustrated，theresultofwhichprovesthefeasibilityandefficiencyofthealgorithmandhighapplicationvalueintrafficflowpredictionThisdissertationissupportedbyt

11、hescientificresearchprojectthatAnalysisMethodandApplicationStudyoliOperationStatusofFreewayNetworkinJiangsuProvince111eresearchachievementsarepracticalandapplicableKeywords：freewaysection。operationstatus，dynamiccomprehen