Enhanced Low-Speed Operations for Sensorless Anisotropic PM Synchronous Motor Drives by a Modified Back-EMF Observer

@article{Antonello2018EnhancedLO,
  title={Enhanced Low-Speed Operations for Sensorless Anisotropic PM Synchronous Motor Drives by a Modified Back-EMF Observer},
  author={R. Antonello and L. Ortombina and F. Tinazzi and M. Zigliotto},
  journal={IEEE Transactions on Industrial Electronics},
  year={2018},
  volume={65},
  pages={3069-3076}
}
  • R. Antonello, L. Ortombina, +1 author M. Zigliotto
  • Published 2018
  • Computer Science
  • IEEE Transactions on Industrial Electronics
  • The high-frequency signals normally used for sensorless operations in anisotropic permanent-magnet synchronous motors cause unwanted torque ripple, noise, and vibrations. The target of the present research is to extend downwards the speed range in which the sensorless drive can work without any signal injection. Specifically, this paper proposes a new back-electromotive force observer that eliminates the instability that may arise in conventional observers when the motor drive operates in… CONTINUE READING
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