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Cooperation attitude control of multiple spacecraft using sliding mode variable structure

机译:基于滑模变结构的多航天器协同姿态控制

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This paper focuses on the attitude control for multiple spacecraft. Two decentralized finite-time control laws are proposed when the communication topologies are directed and undirected, respectively. The proposed control schemes rely on the information of angular velocity errors and error quaternions of the neighboring spacecraft which determines the orientation of the torques and reduce the relative errors. Finite-time stabilization of the system is proved by using Lyapunov function and graph theory. Finally, simulation examples are illustrated to validate the approach by different case studies.
机译:本文着重于多飞船的姿态控制。当通信拓扑分别是有向的和无向的时,提出了两个分散的有限时间控制律。所提出的控制方案依赖于角速度误差和相邻航天器的误差四元数的信息,该信息确定了转矩的方向并减小了相对误差。利用李雅普诺夫函数和图论证明了系统的有限时间稳定。最后,通过不同的案例研究说明了仿真示例,以验证该方法。

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