Prediction-based sampled-data controller design for attitude stabilisation of a rigid spacecraft with disturbances

Baolong Zhu, Zhiping Zhang, Ding Zhou, Jie Ma and Shunli Li

International Journal of Systems Science, 2017, vol. 48, issue 11, 2356-2367

Abstract: This paper investigates the H∞ control problem of the attitude stabilisation of a rigid spacecraft with external disturbances using prediction-based sampled-data control strategy. Aiming to achieve a ‘virtual’ closed-loop system, a type of parameterised sampled-data controller is designed by introducing a prediction mechanism. The resultant closed-loop system is equivalent to a hybrid system featured by a continuous-time and an impulsive differential system. By using a time-varying Lyapunov functional, a generalised bounded real lemma (GBRL) is first established for a kind of impulsive differential system. Based on this GBRL and Lyapunov functional approach, a sufficient condition is derived to guarantee the closed-loop system to be asymptotically stable and to achieve a prescribed H∞ performance. In addition, the controller parameter tuning is cast into a convex optimisation problem. Simulation and comparative results are provided to illustrate the effectiveness of the developed control scheme.

Date: 2017
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DOI: 10.1080/00207721.2017.1316883

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