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国外文献 > 1.轴承 > 2. 轴承类型与部件 > 磁悬浮轴承


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标 题: A convex optimization approach to robust controller design for active magnetic bearing suspension systems
凸优化方法在主动磁悬浮悬挂系统鲁棒控制器设计中的应用
作 者: Hai Zhang
Zongli Liu
Bin Huang
Paul E. Allaire
关键词: Magnetic bearings  [磁悬浮轴承]
Robust LPV  [ 鲁棒LPV]
Convex optimization  [ 凸优化]
Implementation  [ 实施]
出版年: 2002
会议名: 8th International Symposium on Magnetic Bearings (ISMB-8)
第八届磁悬浮轴承国际研讨会(ISMB-8)
届 次: 8th
摘 要: Active magnetic bearings (AMBs) which suspend high speed rotor systems present a challenge in control design. A controller with robustness to uncertainty and capable of adjusting itself according to the rotor speed is essential. Based on a prototype for a flywheel energy storage system constructed at University of Virginia, a convex approach to design a robust linear parameter varying (LPV) controller is proposed. As a result, the robust LPV controller can maintain its stabilizing capability and robust performance for the whole speed range. One impediment for implementing the LPV controller is the computational costliness. Based on the convex approach, an effective methodology for implementing the LPV controller on-line is proposed. Simulation and experimental results are in agreement with the theoretical derivation.

高速转子系统的主动磁悬浮轴承(AMBs)在控制设计中面临挑战。因此,需要一种对不确定性具有鲁棒性且能根据转子速度自动调整的控制器。基于弗吉尼亚大学研制的飞轮储能系统原型,本文提出了一种凸优化方法来设计鲁棒线性参数变化(LPV)控制器。该方法使鲁棒LPV控制器在整个转速范围内均能保持其稳定性和鲁棒性能。然而,实现LPV控制器的一个障碍是计算成本较高。基于凸优化方法,本文还提出了一种有效的在线实现LPV控制器的方法。仿真与实验结果均与理论推导一致。
中文内容为网络AI翻译,专业术语未必准确,仅供参考。

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