汽车主动悬架与电动助力转向结构控制集成优化研究

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1、合肥工业大学硕士学位论文汽车主动悬架与电动助力转向结构/控制集成优化研究姓名：赵君卿申请学位级别：硕士专业：车辆工程指导教师：王其东20050401SimultaneousoptimizationofM：echanicalandControlParametersforIntegratedControlSystemofActiVesuspensionandEPSAbstractKindsofeIectroniccontroItechniquesandcontroIsystemsaregreatIydevelopedandwidelyappliedtoimprove“decomfbrtandha

2、ndlingstabilityofvehicles．A1lthesecontrolsystemsareaimedtoimprovingoneperformanceofvehicle，buttheimprovementofthewh01edynamicsofvehicledependsonthecooperativeworkamongvariouscontrolsystemsofchassis．Basedonthispoint，thispapercarriesthroughthestudyofintegratedcontrolinactivesuspensionsystcm(ASS)andel

3、ectricpowersteeringsystem(EPS)．Theyaretwosub—contr01systemsofchassjswhichdirectlyinnuenceridecomfbrtandhandlingstab订ityofvehicles．First，thepaperanalyzestherelationshipofASSandEPS．Then，amodelofafullvehicleissetup．Withtwokindsofintegratedcontrolmodes，controleachseparatelyorwithoneLQGcontrollertocarry

4、outintegratedcontr01．Fina】1y，thispaperpresentsthemethodtointegratethestructureandcontrolparametersofASSandEPSconsideringtraditionaldesignmethodofVehicleASSandEPSalwaysdesigncontrolpar锄etersfbllowingstructureparametersanditcannotobtaintheglobaloptimumperformanceforthesystem．Consideringtheparametersa

5、remuchandtheobjectfunctioniscomplex，simulatedannealingalgorithmischosen．Theef托ctjvenessoftheproposedsimultaneousoptimizationmethodtoimproveridecomfIortandhandlingstabilityofVehiclesisprovedbytheoryanalysis，simulati。nandtest．Themethodcanalsobeusedinthefieldofchassisdesignorothermechanicalandelectric

6、alsystemdesign．Keywords：ActiVeSuspensionSystemElectricPowerSteeringSystemIntegratedContmlOptimiz8tionLQGComrolSimulatedAnnealingAlgorithm合肥工业大学本论文经答辩委员会全体委员审查，确认符合合肥工业大学硕士学位论文质量要求。茎需}黼㈣7夺婊胁二妒瑕／主席：(工作单位职称)7rr争b暾／Y。”。7V”叫弧一委员：导师：森蹲嬲姒剖凇南以墨下觚中，淋汤、够文徘qL副，翻髂图1．1图1．2图1．3图1．4图1．5图1．6图2．1图2。2图2．3图3．1图4．1图4．

7、2图4．3图4．4图4．5图4．6图4．7图4，8图4．9图4．10图4．11图4．12图4．13图4．14图5．1图5．2图5．3图5．4图5．5图5．6图5．7罔5．8图5．9图5，10插图清单汽车主动悬架分类及结构简图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯2神经网络控制框图⋯⋯⋯⋯⋯⋯⋯⋯⋯．．．-⋯⋯⋯⋯⋯⋯⋯⋯⋯3自适应控制框图⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯3EPs的三种类型⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯