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The efficiency of motor controllers is directly linked to the energy consumption of electric vehicles (EVs); improving efficiency can enhance the range of EVs. This paper models the losses of motor controllers using Matlab and analyzes the sensitivity of various parameters to these losses, aiming to elucidate the impact mechanisms of motor characteristic parameters on controller efficiency. Finally, based on the simulation results, several approaches for improving motor controller efficiency are proposed, including power module optimization, thermal resistance optimization, variable carrier frequency, and motor parameter optimization.

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Study on Efficiency Improvement of Motor Controller Based on Simulation

  • 会议论文

  • 发表日期：

    2025年

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  • Xin Liu,
  • Xin Lu,
  • Jun Liu,
  • Wei Deng,
  • Tiegang Hu,
  • Jintai Zhang,
  • Yafei Xue,
  • Longxi Cui

摘要

The efficiency of motor controllers is directly linked to the energy consumption of electric vehicles (EVs); improving efficiency can enhance the range of EVs. This paper models the losses of motor controllers using Matlab and analyzes the sensitivity of various parameters to these losses, aiming to elucidate the impact mechanisms of motor characteristic parameters on controller efficiency. Finally, based on the simulation results, several approaches for improving motor controller efficiency are proposed, including power module optimization, thermal resistance optimization, variable carrier frequency, and motor parameter optimization.