期刊
AUTOMATICA
卷 113, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2019.108792
关键词
Fixed-time control; Rigid spacecraft; Backstepping; Adding a power integrator
资金
- Shantou University (STU) Scientific Research Foundation for Talents [NTF18015]
The problem of fixed-time attitude tracking control for rigid spacecraft is addressed in this paper. Based on the backstepping technique and the idea of adding a power integrator, a novel fixed-time attitude control law is proposed. The control scheme derived here is continuous and nonsingular, and can guarantee the attitude tracking errors converging to the origin within fixed time if there are no uncertainties and measurement noises and to a small bounded region around zero if there are uncertainties and measurement noises. Finally, numerical simulations are presented to demonstrate the effectiveness of the proposed scheme. (C) 2020 Elsevier Ltd. All rights reserved.
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