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Open AccessArticle

Extended State Observer-Based Predictive Speed Control for Permanent Magnet Linear Synchronous Motor

School of Electrical Engineering, Southeast University, Nanjing 210096, China
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Processes 2019, 7(9), 618; https://doi.org/10.3390/pr7090618
Received: 19 August 2019 / Revised: 27 August 2019 / Accepted: 6 September 2019 / Published: 11 September 2019
Combining the feedback of predictive function control and the feedforward of extended state observer, a composite control strategy is proposed for the permanent magnet linear synchronous motor (PMLSM). The mathematical model of the PMLSM vector control system is established based on the basic structure and operation mechanism of PMLSM. Then, a speed regulator based on predictive function control (PFC) is designed to improve the speed tracking performance of the PMLSM drive system. The state and disturbance of the PMLSM system estimated by the extended state observer (ESO) transferred to the PMLSM drive system, and the robustness of the drive system will be improved. Comparative simulation and experiment results show that the proposed method has better speed tracking performance and disturbance rejection property.
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Keywords: permanent magnet linear synchronous motor (PMLSM); extended state observer (ESO); predictive function control (PFC); composite control; robustness permanent magnet linear synchronous motor (PMLSM); extended state observer (ESO); predictive function control (PFC); composite control; robustness
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Wang, Y.; Yu, H.; Che, Z.; Wang, Y.; Zeng, C. Extended State Observer-Based Predictive Speed Control for Permanent Magnet Linear Synchronous Motor. Processes 2019, 7, 618.

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