Active Electromagnetic Suspension System for Improved Vehicle Dynamics

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1、1156IEEETRANSACTIONSONVEHICULARTECHNOLOGY,VOL.59,NO.3,MARCH2010ActiveElectromagneticSuspensionSystemforImprovedVehicleDynamicsBartL.J.Gysen,Member,IEEE,JohannesJ.H.Paulides,Member,IEEE,JeroenL.G.Janssen,Member,IEEE,andElenaA.Lomonova,Fellow,IEEEAbstractThispaperoffersmotivationsforanelectroma

2、gneticactivesuspensionsystemthatprovidesbothadditionalstabilityandmaneuverabilitybyperformingactiverollandpitchcontrolduringcorneringandbraking,aswellaseliminatingroadir-regularities,henceincreasingbothvehicleandpassengersafetyanddrivecomfort.Varioustechnologiesarecomparedwiththeproposedelect

3、romagneticsuspensionsystemthatusesatubularpermanent-magnetactuator(TPMA)withapassivespring.Basedonon-roadmeasurementsandresultsfromtheliterature,severalspecificationsforthedesignofanelectromagneticsuspensionsys-temarederived.Themeasuredon-roadmovementofthepassivesuspensionsystemisreproducedbye

4、lectromagneticactuationonaquartercarsetup,provingthedynamiccapabilitiesofanelectromagneticsuspensionsystem.IndexTermsActivesuspension,permanentmagnet(PM),tubularactuator.I.INTRODUCTIONFig.1.(a)Conventionalpassivesuspensionsystem.(b)Electromagneticsuspensionsystem.DVANCEDelectromechanicalandel

5、ectronicsystemsareAusedtoinfluencethedynamicperformanceofthevehicle,forexample,antilockbrakingsystems,electronicbreakforceciencyisreachedwhencompletelyincorporatedinthewheeldistribution,electronicstabilityprogram,etc.Thesesystems[3],[4].However,asaresult,theunsprungmassofthevehicleimprovevehic

6、lehandlingandpassengersafety,sincethisbe-increases,whichisadisadvantagewithregardtopassengercomesanever-increasingdemandfortheautomotiveindustry,comfortandhandling.Thesetrendsclearlyshowtheneedparticularlywhencarstendtobecomesmaller(SMART)andofactivesuspensiontobeincorporatedintovehicles.Thes

7、eincorporateahighercenterofgravity(sportutilityvehicle)andsystemsallowforgreatersuspensionarticulationwhendrivingareducedfootprint.Forinstance,theTransportationResearchunderlow-yawcircumstances(drivingrelativelystraight)toBoard[1]reportedthat