基于轮毂电机的空间节约型电动汽车全转向系统分析

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1、万方数据西南交通大学硕士研究生学位论文第1I页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万方数据aleproposedinthisthesis西南交通大学硕士研究生学位论文第1II页Itcompletesthekinematic