第22卷
第4期
2014年4月
文章编号
1004-924X(2014)04-089707
光学精密工程
Optics and Precision Engineering
Vol.22No.4
Apr.2014
卫星飞轮隔振与吸振联合减振系统设计
虞自飞*，周徐斌，申军烽，周春华
（上海卫星工程研究所空间机热一体化技术实验室，上海200240）
摘要：分析了抑制卫星飞轮振动的方法，提出了隔振为主、吸振为辅的联合减振方案。研究了会聚式隔报系统参数对其减振性能的影响；针对会聚式隔振系统存在的不足，提出了圆周分布式吸振方法和相应的吸振系统，分析表明会聚式隔报系统在4个方向的隔振效率达90%以上。根据会象式隔振系统在X平动方向隔振效率较低的问题，建立了会聚式隔振和圆周分布式吸振的联合减振系统仿真模型。仿真结果表明，联合减振系统较单纯的隔振系统在X平动方向减振效率提高近50%，且不改变其他方向的减振性能。因此，联合减振设计方法合理可行，适用于卫星飞轮等主要振源的振动
抑制，并为飞轮联合减振系统的工程化设计提供了理论支持。关键
词：飞轮；圆周分布式减振系统；吸振；隔振；联合减振
中图分类号：V474.1;V416.1
文献标识码：A
doi;10.3788/OPE.20142204.0897
Designof joint vibration reduction system combined
isolationandabsorbtionforflywheel
YU Zi-fei',ZHOU Xu-bin,SHEN Jun-feng,ZHOU.Chun-hua
(LaboratoryofSpaceMechanical and Thermal IntegrativeTechnology; ShanghaiInstituteof SatelliteEngineering，Shanghai200240,China)
+Correspondingauthor,E-mail:yuzifei27@126.com
Abstract: The methods to reduce the vibration of a satellite flywheel were analyzed, and a joint vibra-tion reduction scheme was proposed by combined vibration isolation and vibration absorbing. The effect of the parameters of assembled isolators on its vibration reduction was researched. According to the shortcomings of the system, the circumferential distributed absorbing method and a corresponding system were proposed to reduce the vibration of the flywheel. The simulation shows that the vibration response of main structure subjected to external force dissipates by 9o% in all directions except X di-rection. Then, circumferential distributed absorbers were designed to improve the performance of as-sembled isolators in X direction, and a simulation model of the joint vibration reduction was also es tablished. Compared with unsophisticated isolators, the conclusion indicates that the performance of the joint vibration reduction is nearly improved 5o% in X direction. Consequently, the joint vibration reduction scheme is suitable for reducing the vibration response of flywheel and is proved to be effec-tive and practical in the vibration control for other vibration sources in satellites,
收稿日期：2013-07-31；修订日期：2013-09-21，
基金项目：基于光纤测量的航天器健康监测项目