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Stiffness analysis for bearingless switched reluctance motor with bias permanent magnet

机译：偏置永磁无轴承开关磁阻电机的刚度分析

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In the high speed industrial application, bearingless motor, which integrates advantages of magnetic bearing into motor, has received more and more attention.[1-2] In this paper, stiffness analysis for one novel bearingless SRM with bias permanent magnet is investigated. Fig.1 shows the basic structure and prototype motor. It's a radial suspending structure equipped with permanent magnet to provide bias flux. The independent torque pole and suspending pole make the suspending flux and torque flux decoupled, and the independent X and Y channel control make the X and Y channels' suspending fluxes decoupled. Firstly, the proposed structure and operation principle are introduced in detail. Secondly, the mathematic model is built to calculate the proposed structure's suspending force and stiffness. What's more, the finite element analysis and experiment results are used to verify the motor performance.
机译：在高速工业应用中，将磁性轴承的优点集成到电动机中的无轴承电动机受到了越来越多的关注。[1-2]本文研究了一种新型的带有偏置永久磁铁的无轴承SRM的刚度分析。图1显示了基本结构和原型电机。这是一种径向悬挂结构，配有永久磁铁以提供偏磁通量。独立的转矩极和悬挂极使悬挂通量和转矩通量解耦，独立的X和Y通道控制使X和Y通道的悬挂通量解耦。首先，详细介绍了所提出的结构和工作原理。其次，建立数学模型以计算拟建结构的悬吊力和刚度。此外，有限元分析和实验结果用于验证电机性能。

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