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Attitude Coordination Control for Spacecraft With Disturbances and Event-Triggered Communication
IEEE Transactions on Aerospace and Electronic Systems ( IF 5.1 ) Pub Date : 2020-09-29 , DOI: 10.1109/taes.2020.3027408
Chenliang Wang , Lei Guo , Changyun Wen , Xiang Yu , Jian Huang

In this article, a novel distributed attitude coordination control scheme is proposed for a group of rigid spacecraft with unknown disturbances. The communication topology is described by a general directed graph, and the leader's attitude is available to only a small fraction of followers. Different from existing attitude coordination control schemes, here an event-triggered communication strategy without Zeno phenomenon is designed, which avoids continuous communication between neighboring spacecraft and considerably reduces the communication burden. Moreover, a nonlinear observer is constructed for each follower, which enables us to estimate and compensate for a large class of disturbances exactly. The proposed scheme is able to ensure the boundedness of all closed-loop signals and steer the attitude tracking errors into an arbitrarily small residual set, regardless of the intermittent communication. Simulation results illustrate the effectiveness of the proposed scheme.

中文翻译:

具有干扰和事件触发通信的航天器姿态协调控制

本文针对扰动未知的一组刚性航天器,提出了一种新颖的分布式姿态协调控制方案。通信拓扑由通用的有向图描述,并且领导者的态度仅对一小部分跟随者可用。与现有的姿态协调控制方案不同,这里设计了一种无芝诺现象的事件触发通信策略,避免了相邻航天器之间的连续通信,大大减轻了通信负担。此外,为每个跟随器构造了一个非线性观测器,这使我们能够准确估计和补偿一大类干扰。所提出的方案能够确保所有闭环信号的有界性,并且将姿态跟踪误差引导到任意小的残差集,而与间歇性通信无关。仿真结果说明了该方案的有效性。
更新日期:2020-09-29
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