Journal
ISA TRANSACTIONS
Volume 98, Issue -, Pages 263-270Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.isatra.2019.08.026
Keywords
Attitude stabilization; Fixed-time control; Rigid spacecraft
Categories
Funding
- National Natural Science Foundation of China [61673153, 61304007]
- Fundamental Research Funds for the Central Universities of China [JZ2016HGXJ0023, JZ2017HGPA0163]
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This paper mainly investigates the problem of the attitude stabilization for a rigid spacecraft based on the model of Modified Rodriguez Parameters. A fixed-time attitude stabilization controller is designed to guarantee that the attitude of the rigid spacecraft will be stabilized to the equilibrium in a fixed time which is independent of any initial condition. The design of fixed-time attitude controller is mainly based on improved backstepping method. The proposed fixed-time attitude control scheme can deal with not only the parameters' uncertainties but also the external disturbances. Reliability and effectiveness of the proposed approach are proved by simulations. (C) 2019 ISA. Published by Elsevier Ltd. All rights reserved.
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