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应用科学学报 ›› 2009, Vol. 27 ›› Issue (6): 657-660.

• 控制与系统 • 上一篇    

三相交流主动磁轴承参数设计与特性分析

  

  1. 江苏大学电气信息工程学院，江苏镇江212013
  • 收稿日期:2009-01-11 修回日期:2009-09-21 出版日期:2009-11-25 发布日期:2009-11-30
  • 通信作者: 诸德宏，副教授，研究方向：磁悬浮技术、电机及运动控制，E-mail: zhudh@ujs.edu.cn; 朱熀秋，教授，博导，研究方向：磁悬浮高速 机床电主轴系统、无轴承电机的结构与控制，E-mail: zhuhuangqiu@ujs.edu.cn
  • 基金资助:

    国家自然科学基金(No. 60974053); 国家“863”高技术研究发展计划基金(No. 2007AA04Z213); 江苏省自然科学基金(No. BK2009204)
    资助项目

Parameter Design and Characteristic Analysis for Three-Phase AC Active Magnetic Bearing

  1. School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu Province, China
  • Received:2009-01-11 Revised:2009-09-21 Online:2009-11-25 Published:2009-11-30

PDF

1579

被引次数

8

摘要：

建立了一种三相逆变器驱动的交流主动磁轴承的悬浮力数学模型，根据实验样机悬浮磁力的要求，给出了实
验样机参数计算过程. 利用Ansoft对该结构磁轴承的磁场和转子受力情况进行仿真验算，并对磁轴承悬浮力非线性和转
子在平衡位置附近的运动耦合性进行了计算分析. 研究结果表明：这种磁轴承机械和磁路结构合理，悬浮磁力满足设计
要求，悬浮力在平衡位置附近具有较好的线性和对称性，二自由度运动几乎没有耦合.

关键词: 关键词: 交流主动磁轴承；数学模型；参数设计；非线性；耦合性

Abstract:

 A mathematical model of the suspension forces is established for three-phase inverter-fed AC radial
magnetic bearings. According to the requirement the suspension forces, parameters of an experimental prototype
are calculated. The magnetic field and suspension forces of the rotor are verified using Ansoft. Nonlinearity of
the suspension forces and the coupling characteristics of the movement between two degrees of freedom around the
balance position are calculated and analyzed. The results show that the mechanical configuration and magnetic
circuits of the magnetic bearing are correct, and the suspension magnetic forces satisfy the design requirement.
Suspension forces have good linearity and symmetry around the balance position, and the movement of two degrees
of freedom around balance position has no coupling.

Key words: AC active magnetic bearing, mathematical model, parameter design, nonlinearity, coupling

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