Abstract
This article studies the prescribed-time attitude maneuvering control for rigid spacecraft based on modified Rodriguez parameter description. Firstly, an extended state prescribed-time observer is designed to estimate disturbances and eliminate the estimation error. Then, by combining the sliding mode control technique with the prescribed performance method, a prescribed-time control method with performance constraint is designed to realize that the sliding mode surface can converge to zero within a prescribed-time and the performance constraint is satisfied. The constructed algorithm is certified via simulation.
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