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Aircraft Engineering and Aerospace Technology
ISSN: 0002-2667
Online from: 1929
Subject Area: Mechanical & Materials Engineering
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Gathering the fractionated electromagnetic satellites cluster by simulating fish school
| Title: | Gathering the fractionated electromagnetic satellites cluster by simulating fish school |
|---|---|
| Author(s): | Jianmin Su, (School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing, China), Yunfeng Dong, (School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing, China) |
| Citation: | Jianmin Su, Yunfeng Dong, (2012) "Gathering the fractionated electromagnetic satellites cluster by simulating fish school", Aircraft Engineering and Aerospace Technology, Vol. 84 Iss: 2, pp.115 - 119 |
| Keywords: | Artificial satellites, Behavior rules, Cluster analysis, Electromagnetic force control, Fish school, Fishes, Force control, Fractionated satellite, Motion |
| Article type: | Research paper |
| DOI: | 10.1108/00022661211207938 (Permanent URL) |
| Publisher: | Emerald Group Publishing Limited |
| Abstract: | Purpose – Fractionated satellite clusters need coming together and avoiding crashing with limited random initial relative motion conditions. It is not necessary to keep the invariable configuration. The purpose of this paper is to put forward a control law which simulates organism swarm motion. Design/methodology/approach – The motion of satellites follows three rules: coming together, velocity homology and avoiding crash. According to the rules, three control forces should be applied to satellite individuals. The final control force is the sum of three control forces. Electromagnetic dipole strengths calculation is formulated as nonlinear optimization problem. Considering control strengths have to be got in real time, iterative steps of optimization algorithm are fixed. Findings – A control law which simulates organism swarm motion is put forward. The simulation shows the organism swarm motion simulation control law can keep fractionated satellite cluster coming together and avoiding crash. When iterative steps of optimization algorithm is fixed, the error of solve nonlinear equations is acceptable. Originality/value – The control law is robust and easy to realize. When electromagnetic satellite cluster need not keep fixed configuration, it is a choice of control law of relative motion. |
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