Evaluation of Back-EMF Estimators for Sensorless Control of Permanent Magnet Synchronous Motors

@inproceedings{Lee2012EvaluationOB,
  title={Evaluation of Back-EMF Estimators for Sensorless Control of Permanent Magnet Synchronous Motors},
  author={Kwang-Woon Lee and Jung-Ik Ha},
  year={2012}
}
Dept. of Electrical and Computer Eng., Seoul National University, Seoul, Korea This paper presents a comparative study of position sensorless control schemes based on back-electromotive force (back-EMF) estimation in permanent magnet synchronous motors (PMSM). The characteristics of the estimated back-EMF signals are analyzed using various mathematical models of a PMSM. The transfer functions of the estimators, based on the extended EMF model in the rotor reference frame, are derived to show… CONTINUE READING

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