Electromagnetic Design and Analysis of Permanent Magnet Linear Synchronous Motor

Lijuan Yu, Shuyuan Chang, Jialong He, Huilu Sun, Jie Huang and Hailong Tian
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Lijuan Yu: Key Laboratory of CNC Equipment Reliability, Ministry of Education, Jilin University, Changchun 130022, China
Shuyuan Chang: Key Laboratory of CNC Equipment Reliability, Ministry of Education, Jilin University, Changchun 130022, China
Jialong He: Key Laboratory of CNC Equipment Reliability, Ministry of Education, Jilin University, Changchun 130022, China
Huilu Sun: Key Laboratory of CNC Equipment Reliability, Ministry of Education, Jilin University, Changchun 130022, China
Jie Huang: Key Laboratory of CNC Equipment Reliability, Ministry of Education, Jilin University, Changchun 130022, China
Hailong Tian: Key Laboratory of CNC Equipment Reliability, Ministry of Education, Jilin University, Changchun 130022, China

Energies, 2022, vol. 15, issue 15, 1-17

Abstract: Since permanent magnet linear synchronous motors are widely used in fatigue testing, in this paper, the thrust of a permanent magnet linear synchronous motor (PMLSM) is amplified more than 10 times by the method of resonance. Firstly, the air gap magnetic field is analyzed by the equivalent magnetization current method (EMC), the electromagnetic thrust is calculated, and the expression is given by the Maxwell tensor method. The vibration analysis of the whole machine is used to obtain the conditions under which the motor resonates. The dynamic and static characteristics of the motor are analyzed through finite element simulation, the results of the motor design are judged to be reasonable, and the theoretical calculation results are compared with the simulation results to verify the accuracy of the theoretical calculation. The accuracy of the simulation results is verified by static force experiments. Finally, the rated thrust of the motor was enlarged more than 10 times by resonance experiments.

Keywords: permanent magnet linear synchronous motor; electromagnetic design; magnetic field analysis; resonance; finite element analysis (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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