The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Finite Control Set Model Predictive Control with Pulse Width Modulation for Torque Control of EV Induction Motors

전기자동차용 유도전동기를 위한 유한제어요소 모델예측 토크제어

  • Park, Hyo-Sung (Dept. of Electrical and Information Engineering, Seoul National University of Science and Technology) ;
  • Koh, Byung-Kwon (Dept. of Electrical and Information Engineering, Seoul National University of Science and Technology) ;
  • Lee, Young-il (Dept. of Electrical and Information Engineering, Seoul National University of Science and Technology)
  • Received : 2016.10.19
  • Accepted : 2016.11.28
  • Published : 2016.12.01
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Abstract

This paper proposes a new finite control set-model predictive control (FCS-MPC) method for induction motors. In the method, the reference state that satisfies the given torque and rotor flux requirements is derived. Cost indices for the FCS-MPC are defined using the state tracking error, and a linear matrix inequality is formulated to obtain a proper weighting matrix for the state tracking error. The on-line procedure of the proposed FCS-MPC comprises of two steps: select the output voltage vector of the two level inverter minimizing the cost index and compute the optimal modulation factor of the minimizing output voltage vector in order to reduce the state tracking error and torque ripple. The steady state tracking error is removed by using an integrator to adjust the reference state. The simulation and experimental results demonstrated that the proposed FCS-MPC shows good torque, rotor flux control performances at different rotating speeds.

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References

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