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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1998, Vol. 19 ›› Issue (5): 621-623.

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SPECTRA ESTIMATION OF THE RANDOM STATOR CURRENT SIGNAL IN THE DIRECT TORQUE CONTROL SYSTEM

Zhang Junchang1, Li Yanjun1, Zhou Ziquan2, Lü Jie2   

  1. 1. Astronautics college, Northwestern Polytechnical University, Xi'an, 710072;2. Chinese Flight Test Establishment, Xi'an, 710089
  • Received:1997-11-11 Revised:1998-03-02 Online:1998-10-25 Published:1998-10-25

Abstract:

Focused on the defaults of "Dead Beat" control methodin the Direct Torque Control theory, this article presents a new control strategy-the flux real time control method, and then sets up the selection principles of the inverter switching state. Moreover, to the stator current signal and its spectra, a key sector that influences the system performance, this article gives a detailed discussion and gets a conclusion.

Key words: DT C system, sta tor cur r ent signal, spectr a estimation

CLC Number: