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1、萬(wàn)方數(shù)據(jù)西南交通大學(xué)碩士研究生學(xué)位論文第1I頁(yè)AbstractWiththeincreasingnumberofvehiclesinurbanareas,environmentalpollution,energycrisis,travellingandparkinginthecityhavebecomesignificantproblemsinourcountryThedevelopmentofnewenergyvehicleshasapositivesignificancetoreducetheenvironmentalpollutionandalleviatetheenergycrisi
2、s.Atthesametime,developingthehj曲operationalminielectricvehicleisbecominganeffectivewaytoovercomethecongestionoftrafficandimprovetheutilizationrateofroadsandparkinglotsbasedontheadvantagesofin-wheelmotor.Inordertoimprovethemobilityofvehicle,reducethedifficultyofparkingoperationandgetahi曲utilizationr
3、ateofroadsandparkinglots,thisthesiscarriesoutaresearchonthenovdomnidirectionalsteeringsystemofelectricvehiclebasedonin—wheelmotor.Themainresearchesofthisthesisfocusonthefollowing:Firstofall,thethesispresentsanovelomnidirectionalsteeringsystemwithhi曲ermaneuverabilityandstabilityItachievesthedesignof
4、OITlnidirectionalindependentsteeringmechanismsbasedontheadvantagesofin—wheelmotorafteranalyzingtheadvantagesanddisadvantagesofthemainlyomnidirectionalsteeringmechanisms.Itproposesthenovelsteeringsystemwhichconsistsofboththenovelomnidirectionalindependentsteeringmechanismsandtheredesigned2fromwheels
5、teeringmechanismstotakeaccountofbothmaneuverabilityandstability,SOitcouldmakefulluseoftheadvantagesofsteeringbywiretechnologyandconventionalmechanicalsteeringtechnology.Thenitcompletesthe3DmodelingandoptimizationofsteeringsystembasedonSolidworks.Forachievingtheomnidirectionalmotionsandconventionalm
6、otionswithomrlidirectionalsteeringmechanisms,itproposesanovelcontrolsystemandcontrolstrategy.Tovalidatethefeasibilityofomnidirectionalmotion,asetofomnidirectionalindependentsteeringmechanismsisprocessed,assembledandtested.Also,itpurchasesandcheckesthecorrespondingdrivingcontroldeviceandsteeringcont
7、roldeviceaccordingtotherequirementsofthesteeringcontrolsystemSecondly,thekinematicsmodelingandanalysisoftheomnidirectionalsteeringsystem萬(wàn)方數(shù)據(jù)aleproposedinthisthesis西南交通大學(xué)碩士研究生學(xué)位論文第1II頁(yè)Itcompletesthekinematic