Application of Fractional-Order PIλ Controller for PMSM Speed Control

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Abstract:

Permanent Magnet Synchronous Motor(PMSM) is a multivariable, nonlinear system with strong couple. It’s sensitive to the parameters and load variations. To improve the system static, dynamic performance and robustness, the fractional-order PIλ control strategy is proposed. Compared with integer-order PI controller, the fractional-order PIλ controller achieves better control performance due to an extra adjustable knob λ. The simulation results show that the fractional-order PIλ controller can track the given speed quickly and accurately, and has better anti-interference with load variation.

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421-424

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April 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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