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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1999, Vol. 20 ›› Issue (2): 130-132.

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RESEARCH ON THE ADAPTIVE STATOR FLUX OBSERVER OF DIRECT TORQUE CONTROL (DTC) FOR INDUCTION MOTOR

Deng Zhiquan, Yan Yangguang   

  1. Faculty 303, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016
  • Received:1998-05-20 Revised:1998-09-10 Online:1999-04-25 Published:1999-04-25

Abstract:

In order to improve the observing precision of the stator flux observer of DTC systems, a new adaptive stator flux observer is proposed.With this flux observer, the stator resistance and rotor resistance, which vary with motor temperature, are identified simultaneously.

Key words: DTC, induct ion mo to r, adap t ive stato r flux observer, parameter ident ificat ion

CLC Number: