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信号交叉口车辆累积能耗估计研究 Title:EstimationofVehicleAccumulativeEnergyConsumptionatSignalizedIntersections:AStudy Abstract: Signalizedintersectionsplayacrucialroleinurbantransportationsystems,astheyfacilitatethesmoothflowoftrafficatbusyjunctions.However,theenergyconsumptionassociatedwithvehiclespassingthroughsignalizedintersectionshasreceivedrelativelylessattentionintransportationstudies.Thispaperinvestigatestheestimationofvehicleaccumulativeenergyconsumptionatsignalizedintersections,aimingtoprovideinsightsintooptimizingtrafficsignaltimingandpromotingenergy-efficienttransportationsystems.Thestudyfocusesonfourkeyaspects:vehicledynamics,trafficflowcharacteristics,signaltimingoptimization,andenergyefficiencyevaluation. 1.Introduction: Signalizedintersectionsserveascriticalnodesintransportationnetworks,wheremovementsofdifferentvehiclesneedtobecoordinatedefficiently.Traditionally,theperformanceofsignalizedintersectionshasbeenevaluatedintermsoftrafficdelay,vehiclethroughput,andlevelofservice.However,withtheincreasingconcernoverenvironmentalsustainabilityandenergyefficiency,itisnecessarytoexploretheenergyconsumptionassociatedwithvehiclesatsignalizedintersections. 2.VehicleDynamics: Understandingthevehicledynamicsisessentialforestimatingenergyconsumptionaccurately.Thissectiondiscussesthefactorsaffectingenergyconsumption,includingvehiclespeed,acceleration,deceleration,andidlingtime.ExistingmathematicalmodelssuchastheVehicleEnergyConsumptionModel(VECOM)andtheEnergy-BasedMacroscopicFundamentalDiagram(EMFD)arereviewedfortheirapplicabilityinenergyestimation. 3.TrafficFlowCharacteristics: Trafficflowcharacteristicssignificantlyimpactenergyconsumptionatintersections.Thissectionexplorestheinfluenceoftrafficvolume,laneconfiguration,andtrafficsignalphasingonvehicleenergyconsumption.Therelationshipbetweentrafficflowparametersandvehicleenergyconsumptionisanalyzedtoidentifykeydeterminants. 4.SignalTimingOptimization: Efficientsignaltimingisparamounttoreduceunnecessarystopsanddelays,thusminimizinge