Theoretical study and test analysis of the moving magnet linear motor

Ming Xia; Chonghua Jiang; Haiying Li; Jun Chen

doi:10.1117/12.2563780

17 April 2020 Theoretical study and test analysis of the moving magnet linear motor

Ming Xia, Chonghua Jiang, Haiying Li, Jun Chen

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114552D (2020) https://doi.org/10.1117/12.2563780
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

The SC100H linear Stirling cryocooler is designed by Kunming Institute of Physics. The characteristics of the magnetic circuit of the moving magnet linear oscillation motor used in SC100H was analyzed by the theoretical and experimental methods. In this study, a theoretical model of the motor was established, and its structure was simplified for easy analysis and calculation. Using the equivalent circuit methods and principle of electromechanical energy conversion, the relationship between the thrust characteristic and relative position of the mover in the motor was analyzed. The thrust characteristics of the motor at different input currents were tested by a tension test system. The results were consistent with that predicted from the theoretical analysis. Taken together, this study provided a good basis for the design and optimization for the structure and operation parameters of the motor.

Citation Download Citation

Ming Xia, Chonghua Jiang, Haiying Li, and Jun Chen "Theoretical study and test analysis of the moving magnet linear motor", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114552D (17 April 2020); https://doi.org/10.1117/12.2563780

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