Volume 17, Issue 8 pp. 1217-1227
Paper

Global Fast Terminal Sliding Mode Control Based on Fractional Order Differentiation for Angular Position Synchronization Control of PMSM

Huidong Shu

Huidong Shu

non-member

College of Field Engineering, Army Engineering University of PLA, Nanjing, 210007 China

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Qunzhang Tu

Corresponding Author

Qunzhang Tu

non-member

College of Field Engineering, Army Engineering University of PLA, Nanjing, 210007 China

Correspondence to: Qunzhang Tu. E-mail: [email protected]Search for more papers by this author
Chengming Jiang

Chengming Jiang

non-member

College of Field Engineering, Army Engineering University of PLA, Nanjing, 210007 China

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Hao Huang

Hao Huang

non-member

College of Field Engineering, Army Engineering University of PLA, Nanjing, 210007 China

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Changlin Zhu

Changlin Zhu

non-member

College of Field Engineering, Army Engineering University of PLA, Nanjing, 210007 China

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First published: 13 April 2022

Abstract

This paper is aimed at improve accuracy of angular position synchronization control of Permanent Magnet Synchronous Motor driving system. Traditional PID controller could not meet requirement due to poor dynamic characteristics. The Global Fast Terminal Sliding Mode Control (GFTSMC) has good ant-disturbance ability, could make system more robust and realize synchronization control of angular position. But due to error in load torque observation, system state convergence error will be caused, which will reduce the accuracy of synchronization. In this paper, fractional-order differentiation is used to replace the nonlinear part of GFTSMC, constructed Fractional Order Differentiation—GFTSMC (FOD-GFTSMC) controller to improve accuracy of synchronization. Theoretical analysis will be used to demonstrate that this control strategy could improve convergence accuracy of system state, reduces error of synchronization, and some experiments will be carried out to verify that this kind of controller has high synchronization accuracy, fast dynamic response ability and strong robustness. © 2022 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.

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