This paper proposes a new control structure scheme of magnetic levitation motor, and introduces its working principle.By using principle of virtual displacement, the mathematical model of the magnetic levitation force is set up.Through the method of finite element analysis, the distribution characteristics of the magnetic induction and the magnetic levitation force of the motor are analyzed.%提出了一种新型磁悬浮电机控制结构方案,对其工作原理进行简明阐释,并利用虚位移原理建立磁悬浮力的数学模型.利用有限元法对电机的磁感应强度、电磁悬浮力分布特性进行了分析研究.
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