A Unified Speed Estimation Design Framework for Sensorless AC Motor Drives Based on Positive-Real Property

@article{Sangwongwanich2007AUS,
  title={A Unified Speed Estimation Design Framework for Sensorless AC Motor Drives Based on Positive-Real Property},
  author={Somboon Sangwongwanich and Surapong Suwankawin and S. Koonlaboon},
  journal={2007 Power Conversion Conference - Nagoya},
  year={2007},
  pages={1111-1118}
}
In this paper, several design algorithms of the adaptive observer for speed estimation in sensorless drives, are viewed from a common framework based on the positive-real property. Analytical stability conditions are derived for each design strategy, using which the general solutions of stabilizing gains are obtained. The closed-form solutions of all feasible gains facilitate the practical implementation of the algorithms for any machine's parameters, and are used in the design of poles and… CONTINUE READING
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