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1、Wheeltypeelectriccarsdrivingsystem[•DevelopmentsituationandoverviewWheeltypeelectriccarisakindofdrivingtypeelectriccars,therearetwobasicforms,namelydirectdrivingtypeelectricwheelsandbeltwheeledgesreducerelectricwheels.Itwillbeinstalledonthewheelhubofmotoris
2、omitted,traditionalclutch,thetransmission,themainreduceranddifferentialunitetc,simplifiesconfigurationandimprovethetransmissionefficiency,andtorealizetheelectriccontroltechnologythroughtheelectronicdifferentialcontrolwheels.Electricwheelwillbecomethefutured
3、evelopmentdirectionofelectriccars.TheelectriccarwheeltypeofthestudyinJapan.Japan'skeiouniversityofelectriccarresearchgrouphasdevelopedfivedifferentformsofvehicles.In1991,withTokyoelectricpowercompanyjointlydevelopedbyIZAelectriccarseat,Cd・batterypowermethod
4、,withfourratedpowerfor6.8kW,25kWreachedthepeakpoweroftherotorpermanentmagnetsynchronousmotordrivingwheelspeedcanreachthehighest,176km/h.In1996,theJapanesenationalinstituteofenvironmentalgroupsjointlydevelopedelectricwheeldrivesystemofrearwheeldriveelectricc
5、ars,theECOelectricwheeldrivesystemchoosespermanentbrushlessdemotor,powerratingfor6.8kW,for20kWpeakpower,andplanetarygearreducer,theelectricwheelsadoptmechanicalbrakingandmotorisacombinationofregenerativebraking.In2001,thegrouplaunchedbyusinglithiumbatteryfo
6、rpowersupply,eighthighpoweracsynchronousmotordrivingwheelindependentKAZelectriccar.Theinstallationoftheeightwheels,andgreatlyincreasedthepower,therebythehighestspeed311km/h.TheelectricsystemKAZusedinhighspeed,highperformanceofmotorrotorinside,thepeakpowerca
7、nreach55kW,improvetheabilityofthelimitspeedKAZcars,makeits0〜lOOkm/haccelerationtimereach8s.Inordertomakethemotoroutputspeedwiththeactualrequirements,wheelrotationKAZelectricsystemmatchingplanetgea匚UsingKAZfrontdiscbrakedrumbrakeusing,rear.In2003,Toyotamotor
8、companylaunchedinTokyomotorshowthefuelcellconceptcarisalsousedtoendanargument・Nelectricwheeldrivetechnology.Generalmotorscorp.In2001,thenewtrialwirefourwheeldrivecarfuelcellconceptalsoUSESelectricwheel
