• CN:11-2187/TH
  • ISSN:0577-6686

›› 2005, Vol. 41 ›› Issue (6): 157-162.

• 论文 • 上一篇    下一篇

径向电磁轴承线圈容错控制研究

吴步洲;孙岩桦;王世琥;虞烈   

  1. 西安交通大学润滑理论与轴承研究所
  • 发布日期:2005-06-15

COIL FAULT-TOLERANT CONTROL FOR RADIAL ACTIVE MAGNETIC BEARINGS

Wu Buzhou;Sun Yanhua;Wang Shihu;Yu Lie   

  1. Theory of Lubrication and Bearing Research Institute, Xi’an Jiaotong University
  • Published:2005-06-15

摘要: 针对径向电磁轴承线圈容错控制问题,以一个具有多极独立驱动结构的径向轴承为模型,先利用磁路法建立了此轴承电磁力的一般表达式,并用广义偏流线性化的方法将其线性化;然后在此基础上提出了一种基于控制器重构的容错方案。该方案考虑了磁路间的耦合作用,对不同磁极结构的轴承具有普遍适用性。仿真结果表明了方案的可行性。

关键词: 电磁轴承, 广义偏流线性化, 容错控制

Abstract: For radial magnetic bearings with the configuration of multi-pole, independently driven coils, a fault-tolerant control scheme is developed on the basis of the method of generalized bias current linearization and controller reconfiguration. The Scheme is applicable to radial bearings with different magnet pole geometries by taking into consideration the coupled effect of magnetic flures. Simulation results are provided to show the feasibility of the above scheme.

Key words: Active magnetic bearing, Fault-tolerance control, Generalized bias current linearization

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