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基于轮胎力动态估计与主动转向的新型ESP系统.docx

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基于轮胎力动态估计与主动转向的新型ESP系统 Title:ANovelESPSystemBasedonTireForceEstimationandActiveSteering Abstract: TheElectronicStabilityProgram(ESP)systemisanindispensablecomponentinmodernvehicles,designedtoimprovestabilityandsafetyduringsuddeneventsorextremedrivingconditions.However,traditionalESPsystemsmainlyrelyonbrakinginterventiontoensurevehiclestability,whichmayleadtoincreasedstoppingdistancesandcompromiseddrivingperformance. Toaddresstheselimitations,thispaperproposesanovelESPsystemthatintegratestireforceestimationandactivesteering.Byaccuratelyestimatingtheforcesactingoneachtire,thesystemcanproactivelyandintelligentlyadjustthesteeringangletoenhancestabilitywithoutsolelyrelyingonbrakingintervention.Thisapproachpromisesimprovedvehicledynamics,enhancedsafety,andbetterdrivingexperience. 1.Introduction: Vehiclestabilityduringsuddenmaneuvers,suchasemergencybraking,acceleration,orsteering,isofparamountimportanceforbothdriversandpassengers.TheESPsystem,introducedinthelate1990s,hassignificantlycontributedtoreducingthenumberofaccidentscausedbyskiddingandlossofcontrol.TraditionalESPsystemspredominantlyrelyonindividualwheelbrakingtostabilizethevehicle,whichmayleadtosuboptimalperformanceincriticalsituations. 2.TireForceEstimation: AccurateestimationoftireforcesiscrucialfortheproposedESPsystem.Varioussensordata,includingwheelspeed,yawrate,lateralacceleration,andsteeringangle,canbeemployedtoestimatethetireforces.Machinelearningtechniques,suchasneuralnetworks,canbetrainedusinglargedatasetstoestablishthecorrelationbetweenthesensorinputsandtireforces.Thedevelopedmodelcanthenestimatethetireforcesinreal-time,leadingtoamoreprecisedeterminationofthevehicle'sstabilitycondition. 3.ActiveSteeringControl: ConventionalESPsystemspredominantlyfocusonbrakingtocorrectthevehicle'sstability.However,thisnewESPsystemaimstoincorporateactivesteeringasaprimarymeansofstabilizingthevehicle.Byadjustingthesteeringangleofindividualwheels,thesystemcancounteractundesiredyawingandmaintainorrestorevehiclestability.Thisap