国外电子测量技术北大中文核心期刊DOI:10.19652/j.cnki.femt.2204346基于电池功率的永磁同步电机预测电流控制张利国1厉风2李宇剑2李航2张增财2(1.东北石油大学秦皇岛校区秦皇岛066000;2.东北石油大学大庆163000)摘要:纯电动汽车动力电池的荷电状态下降到一定程度时,会出现电池实际输出功率无法满足控制需求的情况。考虑电池功率对电机控制的影响,建立基于电池输出功率的永磁同步电机预测电流控制策略。使用无差拍预测控制预测电流值,进而计算电机期望功率。当电机期望功率超出电池功率时,通过降低目标转速和对控制电流限幅的方式降低期望功率值。通过仿真及实验验证,提出的控制策略能够在电池输出功率下降的情况下,降低电机期望功率,使电机能继续正常运转。并且与传统控制策略相比,电机动态响应速度更快,响应时间缩短50%以上,功率波动更小,动态性能明显提升。结果表明,基于电池输出功率的永磁同步电机电流预测控制策略是有效的。关键词:动力电池;永磁同步电机;无差拍预测控制;功率中图分类号:TM351文献标识码:A国家标准学科分类代码:470.4024PredictivecurrentcontrolofpermanentmagnetsynchronousmotorbasedonbatterypowerZhangLiguo1LiFeng2LiYujian2LiHang2ZhangZengcai2(1.QinhuangdaoCampusNortheastPetroleumUniversity,Qinhuangdao066000,China;2.NortheastPetroleumUniversity,Daqing163000,China)Abstract:Whenthestateofchargeofthepureelectricvehiclepowerbatterydropstoacertainlevel,theactualoutputpowerofthebatterycannotmeetthecontrolrequirements.Consideringtheinfluenceofbatterypoweronmotorcontrol,apredictivecurrentcontrolstrategyforpermanentmagnetsynchronousmotor(PMSM)basedonbatteryoutputpowerisestablished.Usedeadbeatpredictivecontroltopredictthecurrentvalueandthencalculatethedesiredmotorpower.Whenthedesiredpowerofthemotorexceedsthebatterypower,thedesiredpowervalueisreducedbyreducingthetargetspeedandlimitingthecontrolcurrent.Throughsimulationandexperimentalverification,thecontrolstrategyproposedinthispapercanreducetheexpectedpowerofthemotorwhentheoutputpowerofthebatterydecreases,sothatthemotorcancontinuetooperatenormally.Andcomparedwiththetraditionalcontrolstrategy,thedynamicresponsespeedofthemotorisfaster,theresponsetimeisshortenedbymorethan50%,thepowerflu...
