基于模糊控制的汽车ESP系统仿真

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1、机床与液压Sep．2014HydromechatronicsEngineeringVo1．42No．18DOI：10。3969／j．issn．1001—3881．2014．18．006JianOU，Guang-ruingLIU，Yi—ringCHEN，E-chuanYANG。，YongZHANGCollegeofVehicleEngineering，ChongqingUniversityofTechnology，Chongqing400054，Chi0；ChongqingDajiangd，)，Co．Ltd．，Chongqing401320，Chi0：CollegeofMechani

2、calEngineering，Ch。ngqingUnivenityofTechn。logy，Di400054，Chin。Abstract：Forenhancingthevehiclehandlingstability，avehicledynamicsmodelwasestablishedbasedonthemulti-bodydynamicsanalysissoftwareMSC．ADAMS／Car．AccordingtothebasicprincipleofvehiclestabUitycontrol，theESPfuzzycontrolsysternwasdesignedand

3、therelevantcontroIruleswereformulatedundertheenvironmentoftheMatlab／simulink．Thevehiclehandlingstabilitysimulationtestwascarriedonunderthevarioustypicalconditions，usingthemethodofco-simulation．ResultsshowthatthedesignedESPfuzzycontrolsystemcanefectivelyenhancethevehiclehandlingstabilityinextre

4、meconditions．Keywords：ESP，Co-simulation，Handlingstability．Fuzzycontrolcomprehensiveevaluationandanalysisonperform．1．Introductionanceofvehicle[2]，andadoptingthesimulinktoo1．boxofMⅡBcanbefastandflexibletoesta占lishAutomobileactivesafetytechnologyESP(Elec-variouscontroller．Basedonthemeritsofthetwo

5、tmnicStabilityProgram)isoneofthemostmain．software，co．simulationcontributetorealizethede．streamtechnologiesoftheautomobileindustry．Itcanvelopmentofvehiclehandlingstabilitysystemdesign，automaticallydetectandcorrectthevehicleinstabili．systemperformanceanalysisandevaluation，aswellty，topreventtheca

6、rskiddingordriftinginsharpasvalidationofvehiclehandlingstabilitycontrolalgo．turns，high—speedlanechange，slipperyroadsandrithm[3]．otherextremeconditions，andsignificantlyimprovethehandlingstabilityanddrivingsafetyofvehicles2．Thesimulationmodel[1]。However，thecarisatypicalcomplexnonlin．earsystem，so

7、itwillbeverycomplextobuildthe2．1．Multi-bodyvehicledynamicsmodelmathematicalmodelusingMATLABsoftware，buttheVehiclemodelingbasedontheADAMS／CarmechanicalsystemdynamicsanalysispackageAD-moduleusesthemodelingmethodfrombottomtotopAMS／Carcanbe