electric tilt & telescopic column driven by eps motor

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1、JournalofMechanicsEngineeringandAutomation3(2013)627-631尊Ll笛HINElectricTilt＆TelescopicColumnDrivenbyEPSMotorDaesukJung，SooboPark，SungjinMoon，MinkwonKimandSungtaegOh．ChassisTechnologyDevelopmentTeam，R&DDivision．Hyundai·KJaMotorCompany,Hwaseong445．706,Korea2．SteeringEngineeringTeam，HyundaiMob

2、isCompany,Yongin446-912，Korea3．CompDevelopmentTeam3，HallaVisteonClimateControlCorp，Daejeon306-230，KoreaReceived：July4，2013／Accepted：August20，2013／Published：October25，2013Abstract：Inordertoimprovedriverconvenience，electronictilt&telecolumnisappliedtoafullsizedcal"．Tooperateelectronictilt&tel

3、e，itneedstwomotorsandoneelectroniccontroller．Becauseofhighcostcomponentparts．itisdifhculttoapplytoamidsizecar．Meanwhile，tocopewithregulationsoffueleficiencyandemissionmotordrivenpowersteeringsystemisappliedtoafullsizedcarfromasmallcar．ButMDPSrMarkovdecisionprocesses)alsoconsistofhighcostcom

4、ponentparts(motorandelectroniccontroller)．ThispaperproposedtheMDPSmotor-drivenelectronictilt&telecolumnsystemwhichhassinglemotorandallintegratedelectroniccontrollerandintroducedthedetaileddesignstudyandevaluationresults．Keywords：EPSsystem，tilt&telescopiccontroller，electromagneticclutch．1．In

5、tr0ducti0nevaluationresults．Incomparisonwiththeconventionalelectrictilt&telescopiccolumn-EPS．Tocopewithregulationsoffueleficiencyandnewelectrictilt&telescopiccolumndrivenbyEPSemission，inavehiclesideHEV(hybridelectricmotorhasadvantagesasfollows(Table1)：vehicle)orEV(electricvehicle)systemisap

6、pliedtoa。Thenumberofpartsreduction：motorsf3—carandinthesteeringsystemEPS(electricpower1ca)，controllers(2一lea)；steering)system(whichisusingelectricmotornot·Weight7％l，cost8％I(approximately)usingenginepower)isappliedtoafullsizedcarfromasmallcar．2．ConventionalElectricTilt&TelescopicMeanwhileino

7、rdertoimprovedriver’sColumn．EPSconvenience，theelectrictilt&telescopiccolumnisConventionalelectrictilt&telescopiccolumn—EPSappliedtoafullsized&luxurycar．Tooperatehastwosystems(Fig．1)．ThefirstisEPScontrollerelectrictilt&telescopicfunction．steeringcolumnwhi