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时间:2020-04-05
《基于直接横摆力矩的电动汽车稳定性控制.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、机床与液压Mar.2013HydromechatronicsEngineeringVo1.41No.6DOI:10.3969/j.issn.1001-3881.2013.06.020TheStudyofStabilityControlBasedontheYawingMomentofElectricVehicleDUANMin,YINGShiming,ZHANGHongshuangLiaoningUnive~ityofTechnology,Jinzhou121001,ChinaAbstract:BasedonthedirectyawmOmentcontrolmethod.th
2、isstudysetsupa7Dofvehiclemodelandanidealvehiclemodel。andthestabilitycontrollerwithfuzzylogiccontroImethodsiSadoptedtoimprovethevehicleyawstability.ThevehiclemodeIissimulatedindiferentcondi.tions,andtheresultsshowthatthecontrolerjswithoutcontroIofthevehicleandcompared.theyawrateandsideslipa
3、nglesteady-statevaluesettheoutputisreduced,andimprovethestabili-tyofthevehicleyaw,throughtheanalysisandtestingofthiscontrolstrategyisefective.Keywords:yawstability,fuzzy-logiccontrol,yawmoment,simulationanalysis1ished17degreesoffreedommodelcarisverytypi—1.Introductionca1,currentlydomestics
4、etuparelativelyperfectve-hiclemodelis12degreesoffreedom.InviewoftheAtpresent,thecontrolmethodsofthevehicleimportanceofthemodel。thisresearchchosesevenstabilitymainlyhavetwokinds.Forcarcenteroffreedomvehiclemodels,inthemodelingignoringthemassslipanglecontro1.Throughthecenterofmasstorsionvibr
5、ationandshimmyofthecar.Themodelofcarslipangleforcontro1.1etthecarinacertainincludesthecar’slateralmovement.1ongitudinalrangeofchangestoensureitsstability[1].ThroughmotionandaroundtheZaxishorizontalmotionandthefollowinganidealvehicleintheplaceofthean.fourwheelrotationsevendegreesoffreedom.T
6、hedy.gularvelocitymethod.Thatisadrivermakeanidealnamicequationisasfollows:yawangularvelocity,whenthepracticalandidealVehiclelongitudinalforcebalanceequation:yawangularvelocityofthevehiclehavecertaindevi-m(一·)=(F1+2)cos8一ation。exertcontrolofvehicle,soastoensurethe(Fyl+Fy2)sin6+F妇+(1)stabili
7、tyoftheelectilecar『2.3].InordertoensureVehiclelatera1forcebalanceequation:thestabilityoftheear。sotheuseofadvancedcontrolm(2j一y·v)=(1+F以)sin6+methodtoachievethestabilityofthevehiclecontrol(F1+Fy2)cos8+F侣+F(2)andimprove,Accordingtotheproposedcontrolstrat—Vchicle
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