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ID:36520898
大小:417.53 KB
页数:69页
时间:2019-05-11
《车辆跟驰模型参数标定与验证研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、上海交通大学硕士学位论文车辆跟驰模型参数标定与验证研究姓名:乔晋申请学位级别:硕士专业:管理科学与工程指导教师:隽志才20080101上海交通大学硕士学位论文的主要影响因素,基于主要影响因素,选取合适的GM类车辆跟驰模型,标定除反应时间之外的其它参数;5)以分布式并行仿真系统TPSS为平台,集成标定好的车辆跟驰模型,运用仿真验证方法,验证参数标定结果的有效性。本文利用互相关分析法,最小二乘法,相对速度与加速度对比图法标定了驾驶员反应时间,得到此参数的均值,标准差等统计描述,发现互相关分析法的计算结果与以往的研究具有较大的差异,最小二乘法,相对速度与加速度对比图法的计算结果与以往的研究一致
2、。对车辆跟驰模型中反应时间之外的参数的标定,得到了两组分别适合于车辆加速时与车辆减速时的参数值。将标定好的车辆跟驰模型集成到分布式并行仿真系统TPSS中仿真验证表明,仿真结果达到了预先设定的仿真模型验证标准。关键词:微观交通仿真,GM类车辆跟驰模型,分布式并行仿真系统,标定,验证,反应时间V上海交通大学硕士学位论文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上海交通大学硕士学位论文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
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