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Robust Control for Spacecraft Rendezvous with Disturbances and Input Saturation

Yi-Ke Ma* and Hai-Bo Ji
International Journal of Control, Automation, and Systems, vol. 13, no. 2, pp.353-360, 2015

Abstract : This paper deals with the stabilization problem of spacecraft rendezvous in the presence of disturbances and input saturation. A dead zone operator based model is used to describe the saturation phenomenon. By using Lyapunov method, two groups of control laws are obtained, which ensure the input-to-state stability and the input-to-state practical stability of the closed-loop systems respect to disturbance acceleration, respectively. Simulation results are provided to illustrate the effectiveness of the proposed approaches.

Keyword : Input saturation, input-to-state stable, robust control, spacecraft rendezvous.

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