Speed ripple minimization in PM synchronous motor using iterative learning control

  title={Speed ripple minimization in PM synchronous motor using iterative learning control},
  author={Weizhe Qian and S. K. Panda and J. X. Xu},
  journal={IEEE Transactions on Energy Conversion},
Permanent-magnet synchronous motor (PMSM) drives are widely used for high-performance industrial servo applications where torque smoothness is an essential requirement. However, one disadvantage of PMSM is parasitic torque pulsations, which induce speed oscillation that deteriorates the drive performance particularly at low-speeds. To suppress these speed ripples, two iterative learning control (ILC) schemes implemented in the time domain and frequency domain respectively are proposed in this… CONTINUE READING
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