吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (3): 693-700.doi: 10.13229/j.cnki.jdxbgxb201703001

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Current decouple control of salient-pole permanent magnet synchronous motor for hybrid electric vehicle

WANG Wei-hua, MU Jia-yi, FU Rong, FAN Yong-kai, WANG Wen-kai   

  1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
  • Online:2017-05-20 Published:2017-05-20

Abstract: For the coupling problems of d-axis and q-axis currents in the synchronous rotating frame, the diagonal matrix decoupling control method is proposed. The field current id and torque current iq are decoupled into no-interfering variables by increasing a decoupling compensator in the motor current loop, so as to ensure the accuracy of PMSM's output torque. Furthermore, this method is compared with the feedforward decoupling control method and the feedback decoupling method. It is shown that the proposed method has better robustness and decoupling effect when the motor speed is high or the motor parameters change.

Key words: vehicle engineering, hybrid electric vehicle, salient-pole permanent magnet synchronous motor(SPMSM), current decoupling, diagonal matrix decoupling control

CLC Number: 

  • U469
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