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, issue 1

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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https://doi.org/10.1155/2014/710850

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlaaa:v:2014:y:2014:i:1:n:710850

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