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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >AMB Vibration Control for Structural Resonance of Double-Gimbal Control Moment Gyro With High-Speed Magnetically Suspended Rotor
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AMB Vibration Control for Structural Resonance of Double-Gimbal Control Moment Gyro With High-Speed Magnetically Suspended Rotor

机译：高速磁悬浮转子双万向节控制力矩陀螺结构共振的AMB振动控制

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摘要

This paper explores a robust $mu$-synthesis control scheme for structural resonance vibration suppression of high-speed rotor systems supported by active magnetic bearings (AMBs) in the magnetically suspended double-gimbal control moment gyro (MSDGCMG). The derivation of a nominal linearized model about an operating point was presented. Sine sweep test was conducted on each component of AMB control system to obtain parameter variations and high-frequency unmodeled dynamics, including the structural resonance modes. A fictitious uncertainty block was introduced to represent the performance requirements for the augmented system. Finally, D-K iteration procedure was employed to solve the robust $mu$-controller. Rotor run-up experiments on the originally developed MSDGCMG prototype show that the designed $mu$-controller has a good performance for vibration rejection of structural resonance mode with the excitation of coupling torques. Further investigations indicate that the proposed method can also ensure the robust stability and performance of high-speed rotor system subject to the reaction of a large gyro torque.
机译：本文探索了一种鲁棒的mu-synthesis控制方案，用于抑制磁悬浮双梁控制力矩陀螺仪（MSDGCMG）中由主动磁轴承（AMB）支撑的高速转子系统的结构共振振动。提出了关于工作点的名义线性化模型的推导。对AMB控制系统的每个组件进行正弦扫描测试，以获得参数变化和高频未建模动力学，包括结构共振模式。引入了一个虚拟的不确定性块来表示增强系统的性能要求。最后，采用D-K迭代程序来解决鲁棒的μ-控制器。在最初开发的MSDGCMG原型上进行的转子试运行实验表明，所设计的μ-控制器具有良好的性能，可通过激励耦合扭矩来抑制结构共振模式的振动。进一步的研究表明，所提出的方法还可以确保高速转子系统在大陀螺转矩反作用下的鲁棒稳定性和性能。

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