Symmetric Reconfiguration Planning Algorithm of Combination Body of Micro-Nano Satellites

被引：0
|
作者：
Kang G.-H. [1 ]
Liu Q.-X. [1 ]
Wu J.-Q. [1 ]
Wang Q. [1 ]
机构：
[1] Academy of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
| 1600年 / China Spaceflight Society卷 / 41期
关键词：
Combination body of satellites; Free-floating; Magnetic hinge; Multi-body; Parallel reconfiguration;
D O I：
10.3873/j.issn.1000-1328.2020.07.012
中图分类号：
V474 [人造卫星];
学科分类号：
摘要：
In the process of reconfiguration of the combination body of micro-nano satellites (CBMS), the attitude of CBMS is disturbed due to the dynamic coupling between its different parts. To solve this problem, the symmetric reconfiguration planning algorithm is proposed. Firstly, a dynamic model of free-floating multi-body system under the constraint of hinge is established, and the influence of the modules in motion on the attitude of the main body during reconfiguration is studied. The results of simulation show that when the positions and directions of rotation of every two modules satisfy the symmetry conditions, the influence of both two modules on the attitude of the main body can offset each other. The optimal assignment metric and symmetry judgement are introduced in A* algorithm to design the planning algorithm of parallel and symmetric reconfiguration. The results of simulation show that this algorithm can realize the parallel and symmetry motion of multiple modules during reconfiguration. This algorithm obtains a reconfiguration process with fewer steps, and little influence on the attitude of the main body. © 2020, Editorial Dept. of JA. All right reserved.
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收藏
页码：937 / 947
页数：10
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