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最优控制理论在磁轴承控制系统中的应用研究(英文) 被引量:6

Application and Study of Optimal Control Theory in Control System of Active Magnetic Bearings
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摘要 建立了径向四自由度磁轴承系统状态方程 ,介绍了采用最优控制理论中线性二次型方法设计磁轴承集中和分布参数控制器的方法和步骤 ,并用MATLAB语言进行了仿真比较 .仿真和实验结果表明 :磁轴承转子在 6 00 0 0rpm以下运行 ,基于最优状态反馈控制理论设计的控制器 ,忽略各自由度之间的耦合 ,用分散控制策略设计的磁轴承控制系统 ,基本满足磁轴承性能要求 . A state equation for a radical 4_degree_of_freedom active magnetic bearing is built, and the approach on how to use linear quadratic method of optimal control theory to design a centralized and decentralized parameters control system is introduced. Simulations have conducted within MATLAB. The results of simulations and experiments show that decentralized controllers designed from optimal state feedback theory at the speed of 60 000rpm meet the requirement of the active magnetic bearing system.
出处 《控制理论与应用》 EI CAS CSCD 北大核心 2002年第3期479-483,共5页 Control Theory & Applications
关键词 最优控制理论 磁轴承 控制系统 状态方程 仿真 active magnetic bearing state equation optimal control theory controller
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参考文献5

  • 1Zhu Huangqiu. The study andapplication on digital control of magnetic bearing [D]. Nanjing: Nanjing University ofAeronautics & As tronautics, 2000(in Chinese)
  • 2Li Genbo, Li Wenyong, Zhang Xiantong, et al. Design and simulation of adjuster ofmagnetic bearing' control system [J]. Mechanical Engineer, 1996,(1):9- 11(in Chinese)
  • 3Schweitzer G, Traxler T and Bleuder H. Active Magnetic Bearings [M].Zurich:Hochschuverlag Ag an der ETH, 1994
  • 4Wang Xiping. The study of parameter design and application on active magneticbearing system [D]. Xi'an: Xi'an Jiaotong University, 1994 (in Chinese)
  • 5Zhou Fengqi, Zhang Wenxin and Kan Zhihong. Modern Control Theory and Application[M]. Chengdu: Chengdu Electron Science and Technology Press,1994( in Chinese)

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