汽车文摘阳鹏裴赫（威马汽车科技集团有限公司成都研究院，成都610110）【摘要】电动车的能量回收涉及电机正负转矩切换、过零，双电机四驱电动汽车前后轴都会过零。转矩控制不佳会造成过零时车辆抖动，为了优化纯电动四驱汽车双电机过零带来的驾驶抖动问题，设计了一种四驱车分轴交替过零控制策略，该策略针对电机转矩正负切换设计一种转矩过零平台，控制过零换向过程。同时使前后电机分轴互补过零，以减少过零次数。通过采用主客观的评价方法，验证该方案有效优化了电动四驱车转矩过零时的驾驶性。主题词：四驱控制分轴过零电机转矩换向转矩滤波整车控制器中图分类号：U469.72;TM306文献标识码：ADOI:10.19822/j.cnki.1671-6329.20220063ResearchonZero-CrossingControlStrategyofSub-AxleforPureElectric4-Wheel-DriveVehiclesYangPeng,PeiHe（ChengduResearchInstitute,WeltmeisterMotorTechnologyCo.,Ltd.,Chengdu610110）【Abstract】Theenergyrecoveryofelectricvehicleinvolvesmotorpositiveandnegativetorqueswitchandzerocrossing,andbothfrontandrearaxlesofdualmotorfor4-wheeldriveelectricvehiclewillhavezerocrossing.Poortorquecontrolwillcausedrivingjitteratzerocrossing.Inordertooptimizethedrivingjittercausedbydoublemotorzerocrossingofpureelectric4-wheel-drivevehicle,alternateaxlezerocrossingcontrolstrategyfora4-wheel-drivevehicleisdesigned.Inthisstrategy,atorquezerocrossingplatformisdesignedforpositiveandnegativeswitchingofmotortorque,andthezero-crossingreversingprocessiscontrolled,inthemeantime,thefrontandrearmotoraxleshavecomplementaryzerocrossing,toreducethenumberofzerocrossing.Throughthesubjectiveandobjectiveevaluationmethod,itisverifiedthattheschemecaneffectivelyoptimizethedrivabilityofelectric4-wheel-drivevehiclewhenthetorquecrosseszero.Keywords:4-Wheeldrivecontrol，Axiszerocrossing，Motortorquereversing，Torquefiltering，VehicleControlUnit(VCU)纯电动四驱汽车分轴过零控制策略研究【欢迎引用】阳鹏，裴赫.纯电动四驱汽车分轴过零控制策略研究[J].汽车文摘，2023(2):55-58.【Citethispaper】YANGP,PEIH.ResearchonZero-CrossingControlStrategyofSub-AxleforPureElectric4-Wheel-DriveVehicles[J].AutomotiveDigest(Chinese),2023(2):55-58.1引言对于新能...
