Research on method for adaptive imbalance vibration control for rotor of variable-speed mscmg with active-passive magnetic bearings

被引：7
|
作者：
Cui, Peiling [1 ,2 ]
He, Jingxian [1 ,2 ]
Fang, Jiancheng [1 ,2 ]
Xu, Xiangbo [3 ]
Cui, Jian [1 ,2 ]
Yang, Shan [1 ,2 ]
机构：
[1] Beihang Univ, Sch Instrumentat Sci & Optoelect Engn, Beijing 100191, Peoples R China
[2] Sci & Technol Inertial Lab, Beijing, Peoples R China
[3] Beijing Forestry Univ, Sch Technol, Beijing, Peoples R China
来源：
JOURNAL OF VIBRATION AND CONTROL | 2017年 / 23卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Imbalance vibration control; magnetic bearings; active-passive; MSCMG; adaptive; COMPENSATION;
D O I：
10.1177/1077546315576430
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Imbalance vibration control for rotor is the main factor affecting attitude control performance for satellite using magnetically suspended control moment gyro (MSCMG). The method for adaptive imbalance vibration control for the rotor of variable-speed MSCMG with active-passive magnetic bearings is investigated in this paper. Firstly, on the basis of feedforward compensation, a rotor model for the imbalance vibration of variable-speed MSCMG with active-passive magnetic bearings is built, and the main factor affecting imbalance vibration compensation is also analyzed. Then, power amplifier parameter modifier with control switches is designed to eliminate the effects of time-varying parameters on the imbalance vibration compensation precision. The adaptive imbalance vibration control based on this modifier not only has high compensation precision, but also can control the frequency of parameter adjustment according to the compensation precision. Besides, since the passive magnetic bearing displacement stiffness of the rotor of variable-speed MSCMG with active-passive magnetic bearings cannot be obtained accurately, displacement stiffness modifier is employed. Finally, stability analysis is made on the imbalance vibration control system, and the range of rotation speed to ensure system stability is derived. Simulation results show that, imbalance vibration control method proposed in this paper can suppress the imbalance vibration of the rotor of variable-speed MSCMG with active-passive magnetic bearings effectively and has high precision.
引用
收藏
页码：167 / 180
页数：14
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