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Distributed spacecraft attitude tracking and synchronization under directed graphs

机译:在指示图下分布式航天器姿态跟踪和同步

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Distributed adaptive controllers are developed for attitude tracking and synchronization on SO (3) of multiple flexible spacecraft under a directed graph. Since not all spacecraft can receive the virtual leader's information, a finite-time observer is designed for each follower spacecraft to estimate the moving virtual leader's information. An adaptive controller is then proposed to realize the distributed attitude tracking synchronously and achieve the bounded flexible vibration. A rigorous theoretical proof is presented based on the separation principle. Furthermore, an adaptive controller with a modal variable observer is designed for the case without the measurements of the modal variables. Finally, numerical and experimental verifications are presented. (c) 2020 Elsevier Masson SAS. All rights reserved.
机译:分布式自适应控制器是用于在定向图中的多个柔性航天器的SO(3)上的姿态跟踪和同步。由于并非所有航天器都可以接收虚拟领导者的信息,因此为每个跟随者航天器设计了一个有限时间观察者,以估计移动的虚拟领导者的信息。然后提出了一种自适应控制器,以实现分布式姿态跟踪并实现有界柔性振动。基于分离原理提出了严格的理论证据。此外,设计具有模态变量观察者的自适应控制器,用于在没有模态变量的测量的情况下设计。最后,提出了数值和实验验证。 (c)2020 Elsevier Masson SAS。版权所有。

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