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Position Sensorless Control System of Permanent Magnet Synchronous Linear Motor Based on Sliding Mode Observer with an Improved Phase-Locked Loop

Jin Zhang1, Youliang Tang1, Feng Yu2,*

1 Department of Mechanical and Electrical Engineering, Suqian College, Suqian, 223800, China
2 School of Electrical Engineering, Nantong University, Nantong, 226019, China

* Corresponding Author: Feng Yu. Email: email

Energy Engineering 2021, 118(4), 1083-1094. https://doi.org/10.32604/EE.2021.014482

Abstract

In this paper, position sensorless control system of permanent magnet synchronous linear motor (PMSLM) based on sliding mode observer (SMO) with an improved phase-locked loop (PLL) is studied. Firstly, according to the mathematical model, a SMO is designed for sensorless control PMSLM drive. Thereafter, an improved PLL is proposed to tackle the imperfection of data overflow existed in the traditional PLL. The designed SMO incorporating with the improved PLL can be effectively suppress the pulsation of the estimated position and hence the chattering of the derived electrical angular velocity. At last, simulated and experimental results are presented to verify the effectiveness and feasibility of the position sensorless control system.

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APA Style
Zhang, J., Tang, Y., Yu, F. (2021). Position sensorless control system of permanent magnet synchronous linear motor based on sliding mode observer with an improved phase-locked loop. Energy Engineering, 118(4), 1083-1094. https://doi.org/10.32604/EE.2021.014482
Vancouver Style
Zhang J, Tang Y, Yu F. Position sensorless control system of permanent magnet synchronous linear motor based on sliding mode observer with an improved phase-locked loop. Energ Eng. 2021;118(4):1083-1094 https://doi.org/10.32604/EE.2021.014482
IEEE Style
J. Zhang, Y. Tang, and F. Yu "Position Sensorless Control System of Permanent Magnet Synchronous Linear Motor Based on Sliding Mode Observer with an Improved Phase-Locked Loop," Energ. Eng., vol. 118, no. 4, pp. 1083-1094. 2021. https://doi.org/10.32604/EE.2021.014482



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