Thrust Coordinated Assignment and Ripple Suppression of a Multiple-Modular Permanent Magnet Linear Synchronous Motor Based on Model Predictive Thrust Control

Kai Zuo, Yi Hong, Jin Yang, Lei Xu (), Haitao Qi, Baolong Li, Hao Liu and Luyuan Liu
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Kai Zuo: College of Safety and Ocean Engineering, China University of Petroleum, Beijing 102249, China
Yi Hong: College of Safety and Ocean Engineering, China University of Petroleum, Beijing 102249, China
Jin Yang: College of Safety and Ocean Engineering, China University of Petroleum, Beijing 102249, China
Lei Xu: School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
Haitao Qi: CNOOC Ener Tech-Drilling & Production Co., Tianjin 300452, China
Baolong Li: CNOOC Ener Tech-Drilling & Production Co., Tianjin 300452, China
Hao Liu: School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China
Luyuan Liu: School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China

Energies, 2023, vol. 16, issue 14, 1-12

Abstract: This paper presents a model predictive thrust force control (MPTFC) method for a multiple-modular permanent magnet synchronous linear motor (PMSLM). It focuses on the thrust assignment and thrust ripple of the motor drive system with a multiple-branch inverter. A discrete time model of the PMSLM is established, and the driving system structure and operation principle of the motor are studied. A multi-mode cost function is designed according to the requirements of the different load conditions, and the optimal voltage vector action time is determined. The operation mode is analyzed to determine the distribution factor, so as to reduce the thrust pulsation during operation and improve the performance of the drive system. The results indicate that the proposed MPTFC method is effective in different operating modes, and the drive system has high efficiency and safer performance compared to a conventional drive system.

Keywords: permanent magnet linear synchronous motor (PMLSM); thrust coordinated assignment; thrust ripple suppression; multiple modular; model predictive thrust control (MPTC) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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