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1、上海交通大學(xué)碩士學(xué)位論文車輛跟馳模型參數(shù)標(biāo)定與驗(yàn)證研究姓名:喬晉申請學(xué)位級別:碩士專業(yè):管理科學(xué)與工程指導(dǎo)教師:雋志才20080101上海交通大學(xué)碩士學(xué)位論文的主要影響因素,基于主要影響因素,選取合適的GM類車輛跟馳模型,標(biāo)定除反應(yīng)時(shí)間之外的其它參數(shù);5)以分布式并行仿真系統(tǒng)TPSS為平臺,集成標(biāo)定好的車輛跟馳模型,運(yùn)用仿真驗(yàn)證方法,驗(yàn)證參數(shù)標(biāo)定結(jié)果的有效性。本文利用互相關(guān)分析法,最小二乘法,相對速度與加速度對比圖法標(biāo)定了駕駛員反應(yīng)時(shí)間,得到此參數(shù)的均值,標(biāo)準(zhǔn)差等統(tǒng)計(jì)描述,發(fā)現(xiàn)互相關(guān)分析法的計(jì)算結(jié)果與以往的研究具有較大的差異,最小二乘法,相對速度與加速度對比圖法的計(jì)算結(jié)果與以往的研究一致
2、。對車輛跟馳模型中反應(yīng)時(shí)間之外的參數(shù)的標(biāo)定,得到了兩組分別適合于車輛加速時(shí)與車輛減速時(shí)的參數(shù)值。將標(biāo)定好的車輛跟馳模型集成到分布式并行仿真系統(tǒng)TPSS中仿真驗(yàn)證表明,仿真結(jié)果達(dá)到了預(yù)先設(shè)定的仿真模型驗(yàn)證標(biāo)準(zhǔn)。關(guān)鍵詞:微觀交通仿真,GM類車輛跟馳模型,分布式并行仿真系統(tǒng),標(biāo)定,驗(yàn)證,反應(yīng)時(shí)間V上海交通大學(xué)碩士學(xué)位論文ResearchonParametersCalibrationandVerificationofCar-followingModelsABSTRACTTrafficmicro-simulationsystemshavebeenwidelyusedinthefieldsoftra
3、nsportationengineeringandplanning,anditspremiseisthatallkindsofmodelsinthosetrafficmicro-simulationsystemshavebeenadequatelycalibratedandverified.Inthisthesis,someresearchisdoneonparameterscalibrationandverificationofcoremodels:car-followingmodelsoftrafficmicro-simulationsystems,andthemajorcontri
4、butesareasfollows:1)Recenttrafficmicro-simulationresearchallovertheworldisdiscussed,andlawsofmanykindsofcar-followingmodelsareintroduced.ThenGM-typecar-followingmodelsarechosenasmodelswhichwillbecalibratedandverifiedlater.Thecalibrationwaysofdriverreactiontime:oneofthemostimportantparametersinGM-
5、typemodelsaresummarized.2)AsetofMicro-trafficflowdatainwhichmostcarsareinthecar-followingstateischosen,andmanykindsoftrafficcharacteristicssuchasflow,meanspeed,densityandtimeheadwayareanalyzed.ThesecharacteristicsarethebaseofthefollowingcalibrationandVI上海交通大學(xué)碩士學(xué)位論文verification.3)Driverreactiontim
6、esarecalibratedinthewaysofcross-correlationanalysis,leastsquaresmethod,andtherelativespeedandtheaccelerationspot,andstatisticdescriptionofreactiontimesisobtained.Fromtheviewpointofreactiontimes,driverbehaviorisresearched.Also,threecalibrationwaysarecompared.4)Factorswhicheffectcar-followingbehavi
7、orareanalyzedfromthepointofdrivers’cognition,andfactorsanalysisaredonetothesefactors,thenmainfactorsinfluencingcar-followingbehavioraregrasped.Basedonthis,akindofGM-typemodelischosen,andotherparametersexceptreactiontim