Robust Finite-Time Control for Spacecraft with Coupled Translation and Attitude Dynamics

Guo-Qiang Wu, Shu-Nan Wu and Zhi-Gang Wu

Mathematical Problems in Engineering, 2013, vol. 2013, 1-7

Abstract:

Robust finite-time control for spacecraft with coupled translation and attitude dynamics is investigated in the paper. An error-based spacecraft motion model in six-degree-of-freedom is firstly developed. Then a finite-time controller based on nonsingular terminal sliding mode control technique is proposed to achieve translation and attitude maneuvers in the presence of model uncertainties and environmental perturbations. A finite-time observer is designed and a modified controller is then proposed to deal with uncertainties and perturbations and alleviate chattering. Numerical simulations are finally provided to illustrate the performance of the proposed controllers.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:707485

DOI: 10.1155/2013/707485

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