A Novel Dual-Loop Disturbance Observer-Based Attitude Control for a Space-Based Observation Microsatellite

Jian Sun, Jian Yu and Haijun Rong

Mathematical Problems in Engineering, 2012, vol. 2012, 1-18

Abstract:

Aiming at strong coupling and nonlinear dynamic equations for a space-based observation satellite, a sliding mode controller with feed-forward compensation is proposed in this paper. The theorem of moment of momentum is applied to formulate the exact nonlinear dynamic equations of a multibody satellite. On this basis, sliding-mode control-based, dual-loop forward-feed compensation control is used to control the attitude of the space-based observation microsatellite. By comparing with the conventional control method, simulation results demonstrate that the proposed control method has superior performance in terms of suppression from external disturbances and vibration. Better dynamic and static performance indices than the conventional control method are achieved.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:987256

DOI: 10.1155/2012/987256

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