Study on Dynamic Characteristics of Permanent Magnet Suspension System Based on Mechanical Damping Structure

被引：0
|
作者：
Gao T. [1 ]
Yang J. [1 ]
Jia L. [1 ,2 ]
Zhang Z. [1 ]
Liu Y. [3 ]
机构：
[1] Institute of Permanent Maglev and Railway Technology, Jiangxi University of Science and Technology, Ganzhou
[2] State Key Laboratory of Rail Transit Control and Safety, Beijing Jiaotong University, Beijing
[3] Future Information Technology Institute, Zhengzhou Sias University, Zhengzhou
来源：
Yang, Jie (yangjie@jxust.edu.cn) | 1600年 / Science Press卷 / 43期
关键词：
Cascade double loop control; Hybrid suspension; Permanent magnetic suspension; Spring;
D O I：
10.3969/j.issn.1001-8360.2021.11.008
中图分类号：
学科分类号：
摘要：
Aiming at the problem of rigid decoupling and vibration suppression of permanent magnetic suspension structure, based on the single-degree-of-freedom permanent magnetic suspension system the dynamic characteristics adjustment mechanism of spring damping structure on permanent magnetic suspension system was studied. Firstly, the dynamic characteristics of the damper suspension were introduced into the permanent magnet repulsive suspension model. The analysis shows that the spring damping suspension cannot directly improve the zero damping characteristics of the permanent magnet suspension structure. Secondly, the parallel hybrid suspension structure was introduced to construct the electromagnetic permanent magnet hybrid model under the influence of spring damping, to improve the static and dynamic characteristics of the permanent magnetic suspension structure under the current/gap double loop feedback control. The results show that the spring damping structure increases the complexity of the controlled system model, but reasonable spring damper can achieve the decoupling effect and vehicle damping. It provides theoretical basis and reference significance for further consideration of the mechanical decoupling and vehicle damping design of small and medium-sized suspension frames. © 2021, Department of Journal of the China Railway Society. All right reserved.
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页码：61 / 68
页数：7
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