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Windowed Least Square Algorithm Based PMSM Parameters Estimation

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  • Song Wang

Abstract

Stator resistance and inductances in -axis and -axis of permanent magnet synchronous motors (PMSMs) are important parameters. Acquiring these accurate parameters is usually the fundamental part in driving and controlling system design, to guarantee the performance of driver and controller. In this paper, we adopt a novel windowed least algorithm (WLS) to estimate the parameters with fixed value or the parameter with time varying characteristic. The simulation results indicate that the WLS algorithm has a better performance in fixed parameters estimation and parameters with time varying characteristic identification than the recursive least square (RLS) and extended Kalman filter (EKF). It is suitable for engineering realization in embedded system due to its rapidity, less system resource possession, less computation, and flexibility to adjust the window size according to the practical applications.

Suggested Citation

  • Song Wang, 2013. "Windowed Least Square Algorithm Based PMSM Parameters Estimation," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-11, September.
    • Handle: RePEc:hin:jnlmpe:131268
    DOI: 10.1155/2013/131268
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