3Kubota H,Matsuse K,Nakano T.Dsp-based speed adaptive flux observer of induction motor[J].Industry Applications,IEEE Transactions on Volume 29,Issue 2,March-April,1993:344-348.
4Atkinson D.J,Acarnley P.P,Finch J.W.Observers for induction motor state and parameter estimation[J].Industry Applications,IEEE Transactions on Volume 27,Issue 6,Nov.-Dec,1991:1119-1127.
5Tajima H,Guidi G,Umida H.Consideration about problems and solutions of speed estimation method and parameter tuning for speed-sensorless vector control of induction motor drives[J].Industry Applications,IEEE Transactions on Volume 38,Issue 5,Sept.-Oct,2002:1282-1289.