Novel Position Controller for PMSM Based on State Feedback and Load Torque Feed-Forward

Zedong Zheng; Yongdong Li; Maurice Fadel

Novel Position Controller for PMSM Based on State Feedback and Load Torque Feed-Forward

Zedong Zheng

Yongdong Li

Maurice Fadel

Vol. 11, No. 2, pp. 140-147, Mar. 2011

10.6113/JPE.2011.11.2.140

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Abstract

In this paper, a novel position controller based on state feedback and feed-forward is proposed. Traditional position and speed controllers are replaced by a single controller with the position and speed as state feedbacks, and the position command and load torque as feed-forwards. The feedback and feed-forward gains are obtained by analytic modeling and design. The load torque, rotor speed and position are estimated by an observer based on a Kalman filter (KF) with a low resolution mechanical position sensor. Feed-forward compensation by an estimated load torque is used to improve the dynamic performance during load torque changes.

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Cite this article

[IEEE Style]

Z. Zheng, Y. Li, M. Fadel, "Novel Position Controller for PMSM Based on State Feedback and Load Torque Feed-Forward," Journal of Power Electronics, vol. 11, no. 2, pp. 140-147, 2011. DOI: 10.6113/JPE.2011.11.2.140.

[ACM Style]

Zedong Zheng, Yongdong Li, and Maurice Fadel. 2011. Novel Position Controller for PMSM Based on State Feedback and Load Torque Feed-Forward. Journal of Power Electronics, 11, 2, (2011), 140-147. DOI: 10.6113/JPE.2011.11.2.140.