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Robust ESO Two-Degree-of-Freedom Control Design for Permanent Magnet Synchronous Motor

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  • Jian-Ping Wen
  • Bing-Gang Cao
  • Jun-Yi Cao

Abstract

A robust two-degree-of-freedom control scheme is proposed for permanent magnet synchronous motor (PMSM) using extended state observer (ESO). The robustness is achieved based on the ESO. Parameter perturbation and external disturbances in PMSM drive system are treated as disturbance variable, and then the motion model of PMSM is transformed into an extended state model by introducing this disturbance variable. To estimate the disturbance variable, an ESO is constructed. Estimator is compensated into the control system to improve robustness and adaptability of 2DOF controller against parameter perturbation and external disturbances. The effectiveness of the proposed control scheme is demonstrated with simulation results.

Suggested Citation

  • Jian-Ping Wen & Bing-Gang Cao & Jun-Yi Cao, 2010. "Robust ESO Two-Degree-of-Freedom Control Design for Permanent Magnet Synchronous Motor," Mathematical Problems in Engineering, Hindawi, vol. 2010, pages 1-10, May.
    • Handle: RePEc:hin:jnlmpe:405251
    DOI: 10.1155/2010/405251
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