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Support characteristics and application of permanent magnet suspension active mass drive system
International Journal of Applied Electromagnetics and Mechanics ( IF 1.1 ) Pub Date : 2021-06-02 , DOI: 10.3233/jae-201631
Sumei Gao 1, 2 , Quanyong Ju 1 , Chaowu Jin 2
Affiliation  

In this paper, a kind of permanent magnet (PM) suspension active mass drive mechanism is proposed, and its structure is designed. It has the advantages of non-contact, almost zero friction, small volume, and so on. Aiming at the active driving mass mechanism of PM suspension, the unidirectional PMsuspension system and bi-directional PM suspension system are designed respectively, and their analytical models are established. By analyzing and calculating the magnetic force of the unidirectional and bi-directional PM suspension system, the support coefficient of the suspension system is deduced. After theoretical analysis, the structure is simulated and verified by ANSYS MAXWELL 3D in order to determine the correctness of the analytical calculation of the model. Finally, a test device is made and experiments are carried out in the constant temperature laboratory. The experimental results show that the Nd-Fe-B PMs used in the unidirectional suspension system can provide a maximum force of 260 N, which verify the feasibility of the PM suspension active mass drive system.

中文翻译:

永磁悬浮主动质量驱动系统的支撑特性及应用

本文提出了一种永磁(PM)悬浮主动质量驱动机构,并对其结构进行了设计。它具有非接触、几乎零摩擦、体积小等优点。针对PM悬挂的主动驱动质量机理,分别设计了单向PM悬挂系统和双向PM悬挂系统,并建立了解析模型。通过对单向和双向永磁悬架系统的磁力分析计算,推导出悬架系统的支撑系数。理论分析后,通过ANSYS MAXWELL 3D对结构进行仿真验证,以确定模型解析计算的正确性。最后,制作试验装置并在恒温实验室进行实验。实验结果表明,用于单向悬挂系统的Nd-Fe-B PMs可以提供260 N的最大力,验证了PM悬挂主动质量驱动系统的可行性。
更新日期:2021-06-04
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