以電機(jī)為動(dòng)力源動(dòng)力轉(zhuǎn)向系統(tǒng)機(jī)理研究.pdf

1、Y833：：；li3同濟(jì)大學(xué)申請碩士學(xué)位論文以電機(jī)為動(dòng)力源動(dòng)力轉(zhuǎn)向系統(tǒng)機(jī)理研究STUDYoNPRINCIPLEoFPoWERSTEERINGSYSTEMDRIVENBYMOToR學(xué)院：中德學(xué)院專業(yè)：車輛工程研究生：周名導(dǎo)師：余卓平教授二oo四年八月摘要StudyonPrincipleofPowerSteeringSystemDrivenbyMotorABSTRACTThesteeringsystemisoneimponantsubsys

2、temofacarAsaresult，thecapabilityofthesteeringconnectswithhandlingstabilityanddriongcomfortTraditionalmechanicalsteeringandhydraulicpowersteeringcannotsarisfytherisingrequirementsonhandlingstabilityanddrivingcomfortMotord

3、rivenpowersteeringmainlyincludeselectricalhydraulicpowersteering(EHPS)andelectricpowersteering(EPS)Theyhavemanyadvantagesovertraditionalhydraulicpowersteering，suchassavingenergyandsuperiorcapabilityTheyrepresentthedevelo

4、pmentdirectionofpowersteeringThispaperisconnectedwiththenational863project‘FuelCellCarsproject’，researchesintotheEHPS，maditdependsontheproject‘ElectricPowerSteering’，researchesthecontrolstrategyandassistcharacteristicusi

5、ngsimulationtechnologyThispaperintroducestheconfigurationandprincipleofEHPSandanalysesthecontrolstrategy，throughbenchtestandrealcartestanalyzestheassistcharacteristicofEHPSAbenchwasdesignedandconstructedtotestEHPSandEPST

6、hepaperintroducestheconfigurationandprincipleofEPSAnditanalyzesthemechanicscharacteristicofcolumntypeEPSandfoundsafourdegreesoffreedommathematicsmodelAdditionallyadrivermodelandavchicledynamicmodelarealsobuilttosimulatet

7、hedriver—vehiclesysteminthesimulationprogramMATLAB／SIMULINKThecontrollogicofassisttorqueisdevelopedandoptimizedbysimulationanalysisIntheendofthepaperisaboutrealcartestofEPS，itanalysestheresultofthetestKeywords：MotorDrive