高精度航天器微振动建模与评估技术最近进展

New development of micro-vibration integrated modeling and assessment technology for high performance spacecraft

航天器微振动是影响高精度航天器指向精度和成像质量等关键性能的重要因素,其力学环境极其复杂,工程上主要依靠理论建模和仿真评估手段进行分析和设计。从微振动力学环境、集成建模与综合评估技术、成熟软件系统和仿真实验设备等方面入手,全面介绍了国内外微振动集成建模与综合评估技术研究发展情况,结合国外发展和国内需求对我国相关技术研究的关键技术进行了分析,基于国内研究基础给出相关技术研究的发展思路。

The micro-vibration is a key factor which will affects the key performance of high performance spacecraft, such as the pointing precision and imaging quality. The influence of the microvibration is very complicated. The analysis and design of high performance spacecraft mainly depend on the theoretical modeling and emulational assessment in engineering. The development of the micro-vibration integrated modeling and assessment technology is introduced from the micro-vibration environment, the integrated modeling and assessment technology, the software system and the simulation test. According to the development and requirement, the key technology in this field is analyzed. At last, the roadmap of the study of this technology is presented according to the foundation of our country.