基于磁流变减振器的半主动悬架的联合仿真控制.pdf

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1、机床与液压Sep．2013HydromechatronicsEngineeringVe1．41No．18DOI：10．3969／j．issn．1001-3881．2013．18．008Co．simulationControlResearchofSemi-activeSuspensionBasedonMRDamperDUANMin，LIWeimin，JIANGDongsheng，FUYajunLiaoningUniversityofTechnology，Jinzhou121001，ChinaAbstract：Establish

2、edMRsemi-activesuspensionmechanicalmodelinADAMS／View，andde。signPIDcontrolmodelofMRsemi—activesuspensionintheMatlab，finallycreatedco‘simulationcontrolmodelwhichbasedonthePIDcontro1．Thesimulationresultsdemonstrateitnotonlydi—minishthebodyaccelerationefectively，butals

3、oimprovethevehiclerunningsmoothness．Keywords：Semi·activesuspension，MRdamper，ADAMS，Co‘simulation，PIDcontrol2．Thedeductionandcalculationofthe1．IntroductiondampingforceofMRsemi--activeSUS--ThedampingforcewilldecreasingsustainableifpensiontheMRdamperisemployedinMRsemi-

4、·activeSHS—-Atpresent，theMRdampersarewidelyusedinpension．Thecontrolsystemadjusttheinputcurrentautomotivesemi—activesuspension，thedesignre-totheMRdamperaccordingtothepavementexcita—questandstandardofautomotiveMRdamperistionandtheresponseofsuspension．Consequently，str

5、ict，itusuallyadoptmixedoperatingmodewhichcomposedwithbothflowpatternandshearpattern．changethestrengthofmagneticfieldexcitatedbymagnetizingcoilandcausethattheviscosityofMRFDampingforceofMRdamperinflowmodeandshearindampingchannelchanged，achievingthepurposemodearederi

6、vedbythemechanicalprincipleandofadjustingthedampingforceofdamperabsorber．rheologicalbehavior．TheresultsarelistedasfollowThiscanimprovethevehiclerunningsmoothnesandrespectively[1]：Dampingforceofdamperinflowmode：handlingstabilityinacertainextent．Atpresent，MRsemi—acti

7、vesuspensionhasbecomearesearchhotspot(1)inthefieldofengineeringindomesticandoverseas．Dampingforceofdamperinshearmode：Suspensionsystemisacomplicatednonlinearsystem，co—simulationcontrolandresearchthroughtheinte—F=gn()gratedenvironmentontheMRsemi—activesuspension78uNl

8、couldreflectsthedynamicbehaviorofvehicleandry(2)performancecharacteristicsofsemi—activesuspensionThedampingforceoftheMRdamperabsorberreally．based