Robust Adaptive Precision Position Control of PMSM

Jong-Sun Ko; Sung-Hwan Ko; Yung-Chan Kim

Robust Adaptive Precision Position Control of PMSM

Jong-Sun Ko

Sung-Hwan Ko

Yung-Chan Kim

Vol. 6, No. 4, pp. 347-355, Oct. 2006

10.6113/JPE.2006.6.4.347

Adaptive control

Precision position control

PMSM control

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Abstract

A new control method for precision robust position control of a permanent magnet synchronous motor (PMSM) is presented. In direct drive motor systems, a load torque disturbance directly affects the motor shaft. The application of the load torque observer is published in [1] using a fixed gain to solve this problem. However, the motor flux linkage cannot be determined precisely for a load torque observer. Therefore, an asymptotically stable adaptive observer base on a deadbeat observer is considered to overcome the problems of unknown parameters, torque disturbance and a small chattering effect. To find the critical parameters the system stability analysis is carried out using the Liapunov stability theorem.

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Cite this article

[IEEE Style]

J. Ko, S. Ko, Y. Kim, "Robust Adaptive Precision Position Control of PMSM," Journal of Power Electronics, vol. 6, no. 4, pp. 347-355, 2006. DOI: 10.6113/JPE.2006.6.4.347.

[ACM Style]

Jong-Sun Ko, Sung-Hwan Ko, and Yung-Chan Kim. 2006. Robust Adaptive Precision Position Control of PMSM. Journal of Power Electronics, 6, 4, (2006), 347-355. DOI: 10.6113/JPE.2006.6.4.347.