期刊
ACTA ASTRONAUTICA
卷 122, 期 -, 页码 159-174出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actaastro.2016.01.015
关键词
Finite-time stability; Attitude coordination control; Rotation matrix; Homogeneous method; Output feedback control
资金
- National Natural Science Foundation of China [61174037]
- State Key Program of National Natural Science of China [NSFC-61333003, CAST20120602]
In this paper, two finite-time attitude coordinated controllers for formation flying spacecraft are investigated based on rotation matrix. Because rotation matrix can represent the set of attitudes both globally and uniquely, the two controllers can deal with unwinding that can result in extra fuel consumption. To address the lack of angular velocity measurement, the second attitude coordinated controller is given by using a novel filter. Through homogeneous method and Lyapunov theories, it is shown that the proposed controllers can achieve the finite-time stability. Numerical simulations also demonstrate that the proposed control schemes are effective. (C) 2016 IAA. Published by Elsevier Ltd. All rights reserved.
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