Design of Flux Observer Robust to Interior Permanent-Magnet Synchronous Motor Flux Variation

@article{Yoo2009DesignOF,
  title={Design of Flux Observer Robust to Interior Permanent-Magnet Synchronous Motor Flux Variation},
  author={Anno Yoo and Seung-Ki Sul},
  journal={IEEE Transactions on Industry Applications},
  year={2009},
  volume={45},
  pages={1670-1677}
}
This paper presents a modified flux observer which is robust to the variation of the permanent-magnet flux linkage of an interior permanent-magnet synchronous motor (IPMSM). The IPMSM is driven by a current-regulated inverter, where the d-q axis currents are controlled by two proportional and integral controllers with feedforward cross-coupling decoupling terms. The integrator outputs of the current regulator reflecting flux errors are used to compensate the flux variation according to the… CONTINUE READING
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