Decentralized robust attitude tracking control for spacecraft networks under unknown inertia matrices
Decentralized robust attitude tracking control for spacecraft networks under unknown inertia matrices
复制标题
未知惯性矩阵下航天器网络的分散鲁棒姿态跟踪控制
DOI：
10.1016/j.neucom.2015.03.010
复制
发表时间：
2015-10
期刊：
影响因子：
6
通讯作者：
Zhang Hui
中科院分区：
文献类型：
--
作者：
Zhang Zhuo;Zhang Zexu;Zhang Hui
This article investigates the quaternion-based attitude tracking problem for spacecraft networks, where the interaction topology among spacecraft switches periodically and inertia matrices are totally unknown. The tracking error dynamics is modeled. A class of robust attitude coordination controller without introducing the information about external disturbances is proposed. Using the Lyapunov method and graph theory, it is proved that the controller can guarantee a group of spacecraft to track the time-varying reference attitude. Further, the tracking error can be adjusted by designers to satisfy different requirements of control accuracy. Finally, simulation results are presented to illustrate that the designed control law is successful in achieving high tracking performance, even in the presence of unknown external disturbance torque, unknown inertia matrices and switching interaction topology among spacecraft.
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