A Novel Sliding Mode Observer with Adaptive Feedback Gain for PMSM Sensorless Vector Control

@article{Chi2007ANS,
  title={A Novel Sliding Mode Observer with Adaptive Feedback Gain for PMSM Sensorless Vector Control},
  author={Song Chi and Zheng Chen Zhang and Longya Xu},
  journal={2007 IEEE Power Electronics Specialists Conference},
  year={2007},
  pages={2579-2585}
}
A novel sliding mode observer (SMO) with adaptive feedback gain is presented for sensorless vector control of permanent magnet synchronous machines (PMSM). The rotor position angle is estimated based on the equivalent control in the sliding mode observer. By selecting adaptive feedback gain, the equivalent control has the same constant magnitude as rotor flux over full speed range. Compared to other back-EMF-based sliding mode observers, the proposed one features: 1) robust estimation… CONTINUE READING

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