期刊
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
卷 23, 期 11, 页码 1183-1197出版社
WILEY
DOI: 10.1002/rnc.2812
关键词
attitude synchronization; satellite formation; sliding mode control
资金
- Defense Science & Technology Agency [POD0513235]
- DSO National Laboratories, Singapore [DSOCL10004]
This paper addresses attitude synchronization and tracking problems in spacecraft formation in the presence of model uncertainties and external disturbances. A decentralized adaptive sliding mode control law is proposed using undirected interspacecraft communication topology and analyzed based on algebraic graph theory. A multispacecraft sliding manifold is derived, on which each spacecraft approaches desired time-varying attitude and angular velocity while maintaining attitude synchronization with the other spacecraft in the formation. A control law is then developed to ensure convergence to the sliding manifold. The stability of the resulting closed-loop system is proved by application of Barbalat's Lemma. Simulation results demonstrate the effectiveness of the proposed attitude synchronization and tracking methodology. Copyright (c) 2012 John Wiley & Sons, Ltd.
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