Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Robust model predictive current control for six-phase PMSMS with virtual voltage vectors

  • Yao, Ming (School of Automobile and Traffic Engineering, Jiangsu University) ;
  • Peng, Jingyao (School of Automobile and Traffic Engineering, Jiangsu University) ;
  • Sun, Xiaodong (Automotive Engineering Research Institute, Jiangsu University)
  • Received : 2022.03.19
  • Accepted : 2022.06.30
  • Published : 2022.11.20
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Abstract

In this paper, a compensation prediction model current control based on the extended state observer is proposed for the static errors and oscillations of output current caused by parameter disturbance deviations. First, the parameter change part is regarded as the total disturbance, and a mathematical model of the motor is established. Then, virtual voltage vectors are introduced to eliminate the effect of leakage inductance mismatch and to further suppress current harmonics. Furthermore, the state observer is designed to estimate disturbances and currents. The estimated values from the state observer are used as the feedforward part to cancel disturbances in the system. Then, the stability of the proposed algorithm is verified by a pole configuration analysis. Finally, the effectiveness of the proposed method is confirmed by a six-phase permanent magnet synchronous hub motor experiment.

Keywords

Acknowledgement

This study was supported by Project of Faculty of Agricultural Equipment of Jiangsu University (NZXB20210103), and Project of Changzhou Science and Technology Support Program (Industry) (CE20220007).

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