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RESEARCH ON CONTROL OF PERMANENT MAGNET SYNCHRONOUS MOTOR BASED ON SECOND-ORDER SLIDING MODE

By Y. Sun, Q. Cui, and Y. Yuan

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Abstract:
In this paper, a control strategy based on second-order sliding mode is proposed for a permanent magnet synchronous motor (PMSM) drive system applying direct torque control with space vector modulation (DTC-SVM). This control strategy combines the principles of super-twisting algorithms, direct torque control, and space vector modulation, designed to overcome some obvious shortcomings, such as the large ripple of flux linkage and torque in traditional DTC, the poor robustness of traditional PI controllers, and the chattering of traditional sliding mode control. It gives the system good steady state and dynamic performance. The results show that the proposed method effectively solves the above shortcomings. Meanwhile, the control strategy effectively accelerates the dynamic response ability of the system and improves the robustness to parameter perturbation.

Citation:
Y. Sun, Q. Cui, and Y. Yuan, "Research on Control of Permanent Magnet Synchronous Motor Based on Second-Order Sliding Mode," Progress In Electromagnetics Research M, Vol. 85, 11-20, 2019.
doi:10.2528/PIERM19070201

References:


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