基于定数理论过饱和交叉口车辆能耗研究

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1、基于定数理论过饱和交叉口车辆能耗研赵红星何穗春置宣强兰州交通大学交通运输学院摘要：针对过饱和信号交叉门车辆高能耗问题，以信号交叉门整个过饱和交通状态持续时间作为研宂时段，利用定数理论分析车辆排队长度、停车次数和通行时间，确定车辆在信号交叉口的减速、怠速、加速和匀速行驶时间，进一步依据车辆在不同行驶状态下的能源消耗率，建立了过饱和交叉口所有车辆第1次停车至通过停车线的平均能耗模型.为了验证模型的准确性，以某个两相位过饱和交叉U为例，对不同交通流量下的车辆能耗进行计算，并将计算结果与VISSIM仿真结果对比分析，结果

2、表明，本文模型对过饱和信号交叉口的车辆能耗分析具有一定的合理性.同时，依据此模型分析了信号配时对过饱和交叉口车辆能耗的影响,说明了优化配时参数对于过饱和交叉UI车辆节能具有重要意义.关键词：城市交通;信号交叉口；过饱和;车辆能耗;信号配时;作者简介：赵红星(1989-),男，甘肃庆阳人，博士生.作者简介：何瑞春，herc@mail.lzjtu.cn收稿日期：2017-04-18基金：国家自然科学基金(61364026)VehicleEnergyConsumptionatOversaturatedIntersect

3、ionUsingFixedNumberTheoryZHAOHong—xingHERui—chunJIAFu-qiangSchoolofTrafficandTransportation,LanzhouJiaotongUniversity;Abstract：Aimingattheproblemofhighenergyconsumptionofvehiclesatoversaturatedsignalizedintersection，takingoversaturatedtrafficstateofsignalized

4、intersectionastheresearchperiod,thequeuelength,thenumberofstopsandthetimeofpassthroughareanalyzedbyusingthefixednumbertheory-Itisdeterminedthatthevehicletraveltimeofdeceleration，idlespeed，accelerationandconstantspeedatsignalizedintersections.Accordingtotheveh

5、icleenergyconsumptionrateunderdifferentworkingconditions，theaverageenergyconsumptionmodelforallvehiclesatoversaturatedintersectionofthefirststoptothestoplineisestablished.Inordertoverifytheaccuracyofthemodel,takingatwophaseoversaturatedsignalizedintersectiona

6、sanexample,andtheproposedmodelisusedtocalculatethevehicleenergyconsumptionunderdifferenttrafficflow.ThenthecalculationresultsoftheproposedmodelarecomparedwiththeresultsofVTSSTMsimulation.Theresultshowsthatthemodelisreasonableforresearchvehicleenergyconsumptio

7、nattheoversaturatedsignalizedintersection.Atthesametime,thispaperanalyzesthesignaltiminginfluenceonvehicleenergyconsumptionatoversaturatedintersectionbasedonthemodel.Itisshownthatoptimaltimingparametersareofgreatsignificanceforthevehicleenergysavingatoversatu

8、ratedsignalizedintersections.Keyword：urbantraffic;signalizedintersection;oversaturated;vehicleenergyconsumption;signaltiming;Received：2017-04-180引言在城市交通系统中，由于交通高峰时段的影响，使得很多信号交叉口经常处于过饱和交通状