基于复合控制的磁悬浮CMG动框架效应抑制

doi:10.13700/j.bh.1001-5965.2019.0610

北京航空航天大学学报 ›› 2020, Vol. 46 ›› Issue (12): 2339-2347.doi: 10.13700/j.bh.1001-5965.2019.0610

基于复合控制的磁悬浮CMG动框架效应抑制

王舒, 郑世强

北京航空航天大学仪器科学与光电工程学院, 北京 100083

收稿日期:2019-12-04 发布日期:2020-12-28
通讯作者: 郑世强 E-mail:zhengshiqiang@buaa.edu.cn
作者简介:王舒,女,硕士研究生。主要研究方向:磁悬浮控制力矩陀螺磁轴承抗干扰控制技术;郑世强,男,博士,副教授,博士生导师。主要研究方向:航天器新型惯性执行机构、高速磁悬浮电机技术及应用。
基金资助:
国家自然科学基金（61822302）

Composite control method for gimbal excitation effect suppression of magnetically suspended CMGs

WANG Shu, ZHENG Shiqiang

School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing 100083, China

Received:2019-12-04 Published:2020-12-28

摘要/Abstract

摘要： 针对磁悬浮控制力矩陀螺（MSCMG）动框架效应导致转子悬浮精度和稳定性降低的问题，提出一种角加速率自适应前馈控制与自抗扰控制（ADRC）相结合的复合控制方法。建立了MSCMG转子动力学模型，分析了框架转动情况下的磁轴承扰动力矩，设计了角加速率自适应算法和线性扩张状态观测器，并结合状态反馈控制设计了复合控制器，同时对磁轴承控制系统进行了稳定性分析，仿真结果验证了所提复合控制方法的有效性。利用研制的样机搭建实验平台进行验证，结果表明：所提方法与传统PID控制方法相比，磁悬浮转子收敛后的位移峰峰值降低了39.6%，提高了磁悬浮系统的抗干扰能力。

关键词: 磁悬浮控制力矩陀螺(MSCMG), 自适应前馈, 自抗扰(ADRC), 磁轴承, 动框架效应

Abstract: Aimed at the problem that the rotor suspension precision and stability will be reduced due to the gimbal excitation effect of the Magnetically Suspended Control Moment Gyroscope (MSCMG), a composite control method combining angular acceleration rate adaptive feedforward control and Active Disturbance Rejection Control (ADRC) is proposed in this paper. The dynamic model of MSCMG rotor is established, the disturbance torque of magnetic bearing under frame rotation is analyzed, an angular acceleration rate adaptive algorithm and a linear expansion state observer are designed, and a composite controller is designed with state feedback control. Meanwhile, the stability of the magnetic bearing system is analyzed. The simulation results of the magnetic bearing system verify the effectiveness of the proposed composite control method. The prototype developed in the laboratory was used to build a test platform for verification, and the results show that this method could effectively improve the anti-interference ability of the maglev system. The test platform is built by the developed prototype for verification. The results show that, compared with the traditional PID control method, the displacement peak of the convergent magnetic suspension rotor is reduced by 39.6%, and the anti-interference ability of the magnetic suspension system is improved.

Key words: Magnetically Suspended Control Moment Gyroscope (MSCMG), adaptive feedforward, Active Disturbance Rejection Control (ADRC), magnetic bearing, gimbal excitation effect

中图分类号:

TP273⁺.3

王舒, 郑世强. 基于复合控制的磁悬浮CMG动框架效应抑制[J]. 北京航空航天大学学报, 2020, 46(12): 2339-2347.

WANG Shu, ZHENG Shiqiang. Composite control method for gimbal excitation effect suppression of magnetically suspended CMGs[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(12): 2339-2347.

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基于复合控制的磁悬浮CMG动框架效应抑制

Composite control method for gimbal excitation effect suppression of magnetically suspended CMGs

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