卫星微振动及控制技术进展

高分辨率是卫星发展的重要方向,而制约卫星有效载荷分辨率提高的重要因素之一就是卫星微振动。因此,近年来卫星微振动及其控制问题越来越受到关注。本文从微振动的来源和特点出发,按照微振动传递路径上的控制方式,对国内外微振动领域的研究成果进行了总结。在此基础上,重点介绍了微振动控制技术在卫星微振动领域的应用,并按照微振动控制的方式,介绍了微振动被动控制、微振动主动控制以及大挠性部件微振动控制方法。结合工程实际应用,对微振动控制设计中需要注意的刚度、阻尼及多自由度耦合性问题进行了说明。同时,简单介绍了工程上常用的其他微振动控制方法。最后,对微振动控制的发展作了简短评述和展望。

Progress review of satellite micro-vibration and control

High-resolution capability is an important development direction for satellite. The main negative effect on the resolution increase of imaging payload is micro-vibration. Therefore, the micro-vibration and control of satellite gains more and more attention in recent years. Beginning with the source and characteristic of the micro-vibration, the research achievements and progress of satellite micro-vibration and control are summarized based on the vibration transfer path. Then, the application of micro-vibration control technique in satellite is emphasized. According to the classification of the micro-vibration control method, the passive vibration control method and active vibration control method are introduced, as well as the large-scale flexible structure vibration control method. Meanwhile, special considerations of micro-vibration control in engineering application are given which include the stiffness analysis, damping analysis as well as the coupling consideration. Some other useful methods for micro-vibration control are also outlined and the development of micro-vibration control field is briefly commented and provided finally.