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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Robust Constrained Attitude Control of Spacecraft Formation Flying in the Presence of Disturbances
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Robust Constrained Attitude Control of Spacecraft Formation Flying in the Presence of Disturbances

机译：存在干扰时航天器编队飞行的鲁棒约束姿态控制

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摘要

In this paper, the robust control problem for spacecraft formation flying in virtual structure algorithm is addressed. The effects of external disturbances, model uncertainties, sensor noises, and actuator saturation are taken into account. A robust controller based on μ-synthesis is first designed to overcome the environmental disturbances. To obtain a control law with lower order, an H -based linear matrix inequality controller is designed, using the linearized model with uncertainties. Then, a robust adaptive controller, based on the Lyapunov stability theorem, is presented to overcome a broader range of model uncertainties, which also guarantees the stability. From a comparison viewpoint, the numerical results are also demonstrated to show the performance of the robust controllers in tracking the desired attitude and position.
机译：本文研究了虚拟结构算法中航天器编队飞行的鲁棒控制问题。考虑了外部干扰，模型不确定性，传感器噪声和执行器饱和的影响。首先设计了一种基于μ合成的鲁棒控制器来克服环境干扰。为了获得低阶控制律，使用具有不确定性的线性化模型设计了基于H的线性矩阵不等式控制器。然后，基于李雅普诺夫稳定性定理，提出了一种鲁棒的自适应控制器，以克服更广泛的模型不确定性，这也保证了稳定性。从比较的角度来看，数值结果也被证明可以显示鲁棒控制器在跟踪所需姿态和位置时的性能。

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