大型空间可展薄膜结构动力学仿真分析

张华; 刘汉武; 李东颖; 彭福军

doi:10.11728/cjss2018.01.101

大型空间可展薄膜结构动力学仿真分析

doi: 10.11728/cjss2018.01.101

1. 上海宇航系统工程研究所上海 201109;
2. 上海市空间飞行器机构重点实验室上海 201108

基金项目:

上海市自然科学基金项目（16ZR1436200）和国家高性能计算重点专项项目（2016YFB0201604，2016YFB0201600）共同资助

详细信息

作者简介:
张华,E-mail:ases_zhang@163.com

中图分类号: V476
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- 文章访问数: 896
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- 被引次数: 0
出版历程
- 收稿日期: 2017-03-13
- 修回日期: 2017-10-09
- 刊出日期: 2018-01-15

Study of Dynamics Simulation on Large Space Deployable Membrane Structuresormalsize

1. Aerospace System Engineering in Shanghai, Shanghai 201109;
2. Shanghai Key Laboratory of Spacecraft Mechanisms, Shanghai 201108

摘要

摘要: 相对于传统的航天器平面刚性天线结构，柔性可展薄膜结构因其质量轻、收拢体积小等优点成为大型天线的重要发展方向，特别是在天基合成孔径雷达（SAR）天线高分辨率对地观测技术领域具有广阔的应用前景.为掌握其在轨结构动力学特性，基于温度-结构预应力导入方法建立了大型空间可展薄膜结构的动力学模型，分析了可展薄膜结构的动力学性能参数，同时基于建立的动力学模型开展了可展薄膜结构的优化设计研究，得到主要设计参数对可展薄膜结构动力学性能参数的影响权重，为其工程化实施奠定了理论研究基础.
- 航天器 /
- 薄膜结构 /
- 预应力 /
- 动力学仿真
Abstract: Space-based Synthetic Aperture Radar (SAR) antenna is focused on high-resolution earth-observing field widely for its special applied purpose. Due to the characteristics of light-weight, large-size and various frame, the large space membrane structure is used for SAR antenna. In order to know its on-orbit dynamics performance, the dynamics model is built, based on the method of temperature-structure pre-stress introduction. Design parameters such as material performance, membrane thickness, and pre-stress etc. are analyzed on how to affect the SAR antenna dynamic performance. The results indicate that the pre-stress of membrane is the key factor for the whole structure mode index, and the other parameters have less effect and can be ignored. Dynamics performance of the parameters is analyzed, and optimization design is discussed, and main design parameters are obtained through the dynamics model. Research results can provide reference and guidance for the engineering design of the large space membrane structure.
- Spacecraft /
- Membrane structure /
- Pre-stress /
- Dynamics simulation

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参考文献(19)

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