轮毂电机驱动电动汽车转向工况下的转矩分配策略研究.pdf

轮毂电机驱动电动汽车转向工况下的转矩分配策略

研究

Title:AStudyonTorqueDistributionStrategyinElectricVehicle

SteeringConditionsDrivenbyWheelMotor

Abstract:

Astheworldtransitionstowardscleanerandmoresustainable

transportationsolutions,thepopularityofelectricvehicles(EVs)

continuestorise.OneofthecriticalcomponentsinanEVisthewheel

motor,whichplaysavitalroleintheoverallperformanceandefficiency

ofthevehicle,especiallyinsteeringconditions.Thispaperaimsto

investigateandproposeatorquedistributionstrategyforwheelmotors

inelectricvehiclesduringsteeringoperations.

Introduction:

Electricvehiclesaregainingattentionduetotheirenvironmental

friendlinessandpotentialforenergyefficiency.Theuseofwheel

motorsinEVshasattractedinterest,astheyofferseveraladvantages

suchasincreasedcontrol,reducedenergyloss,andenhancedvehicle

dynamics.However,existingtorquedistributionstrategiesprimarily

focusonstraight-linedrivingconditionsandfailtoconsiderthespecific

requirementsofsteeringconditions.Thisresearchfocuseson

addressingthisgapbystudyingandproposingatorquedistribution

strategyspecificallyforelectricvehiclesduringsteeringmaneuvers.

TorqueDistributionStrategy:

Thetorquedistributionstrategyinsteeringconditionsaimsto

optimizetheperformanceandstabilityoftheelectricvehiclewhile

ensuringefficientusageoftheavailablepower.Theproposedstrategy

considersparameterssuchassteeringangle,vehiclespeed,road

conditions,andtractioncontrolrequirements.

1.SteeringAngleAdjustment:

Thetorquedistributionstrategyshouldconsiderthesteeringangle

todeterminetheoptimaltorquedistributionbetweenthewheelmotors.

Highertorqueshouldbeallocatedtotheouterwheelstofacilitate

smootherandmorecontrolledsteeringmaneuvers.This