第46卷第3期2023年6月电子器件ChineseJournalofElectronDevicesVol.46No.3June2023项目来源:国家自然科学基金项目(52172371);上海汽车工业科技发展基金会产学研项目(1910)收稿日期:2022-03-07修改日期:2022-04-26SensorlessControlofPermanentMagnetSynchronousMotorBasedonNewExtendedKalman∗ZHAOHeng,MAXipei∗,FANPingqing,HUXinyang(SchoolofMechanicalandAutomotiveEngineering,ShanghaiUniversityofEngineeringScience,Shanghai201620,China)Abstract:AimingattheinaccuracyofthetraditionalextendedKalmanobserverinthesensorlesscontrolofthepermanentmagnetsyn⁃chronousmotorduetotheexternaldisturbancetothemotor,anewextendedKalmancompositeobservermethodisproposed,whichiscomposedofaslidingmodecontrollerwithanewapproachratedesignedtoreplacethespeedloopofthetraditionalPIregulator,acur⁃rentloopwithfeedforwarddecoupling,andanextendedKalmanobserver.ThesimulationresultsshowthatthenewextendedKalmanstateobservercanaccuratelyobservethespeedandrotorpositioninformationofthemotornomatterwhenthemotorisstartedwithnoloadorwithexternaldisturbances,thespeedslidingmodecontrollerandthecurrent...