Journal
ADVANCES IN SPACE RESEARCH
Volume 69, Issue 3, Pages 1619-1630Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.asr.2021.11.017
Keywords
Stringent stability performance; Non-contact satellite; Embedded second-order noise estimator; Nonlinear three-axis coupling; Collision avoidance controller
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Funding
- National Natural Science Foundation of China [12172168, 51705327]
- Natural Science Foundation of Shanghai [19ZR1453300]
- key program of Chinese science and technology ministry [2016YFB0500801]
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This paper presents a design framework and controller scheme for satellite stability performance, describing and applying them to the payload module and bus module, and hardware experiments were conducted to verify the effectiveness and feasibility of the methods. The results show superior and reliable performance with low computational cost.
To achieve the stringent three-axis stability performance, a non-contact satellite framework composed of the payload module and bus module is designed and an embedded second-order noise estimator based controller is proposed in this paper. For the payload module, the embedded second-order noise estimator is developed to envelope the nonlinear three-axis coupling terms, and the stringent attitude control is implemented by adopting the non-contact Lorentz actuators. For the bus module, a collision avoidance controller is adopted to maintain the relative motion between the payload module and bus module. The hardware experiments based on air-bearing platform have been conducted to verify the feasibility and effectiveness of the proposed approach, and the results show that the new methods have superior and reliable performance with low computational cost. (C) 2021 COSPAR. Published by Elsevier B.V. All rights reserved.
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