Journal
ACTA ASTRONAUTICA
Volume 126, Issue -, Pages 98-108Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actaastro.2016.04.012
Keywords
Spacecraft formation; Attitude tracking; Extended state observer; Time-varying delay; Switching topology
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Funding
- National Natural Science Foundation of China [61573301, 61473161]
- Science Fund for Distinguished Young Scholars of Hebei Province [F2016203148]
- National Key Technology Research and Development Program of the Ministry of Science and Technology of China [2015BAK12B03]
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This paper investigates attitude dynamic tracking control for spacecraft formation in the presence of unmeasurable velocity information with time-varying delays and switching topology. Based on an extended state observer, a nonlinear attitude tracking control approach is developed for spacecraft attitude model formulated by Euler Lagrangian equations. The attitude tracking controller allows for external disturbances and absence of angular velocity information, Both auto-stable region techniques and a Lyapunov function approach are developed to prove ultimately bounded tracking. Simulation results demonstrate effectiveness of the nonlinear control techniques proposed in this paper. (C) 2016 IAA. Published by Elsevier Ltd. All rights reserved.
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