Observer-Based Robust Control for Spacecraft Rendezvous with Thrust Saturation

Neng Wan, Ming Liu and Hamid Reza Karimi

Abstract and Applied Analysis, 2014, vol. 2014, 1-10

Abstract:

This paper proposes an observer-based robust guaranteed cost control method for thrust-limited rendezvous in near-circular orbits. Treating the noncircularity of the target orbit as a parametric uncertainty, a linearized motion model derived from the two-body problem is adopted as the controlled plant. Based on this model, a robust guaranteed cost observer-controller is synthesized with a less conservative saturation control law, and sufficient condition for the existence of this observer-based rendezvous controller is derived. Finally, an illustrative example with immeasurable velocity states is presented to demonstrate the advantages and effectiveness of the control scheme.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:710850

DOI: 10.1155/2014/710850

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