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Decentralized adaptive control for attitude synchronization of multiple spacecraft via quantized information exchange

机译：通过量化信息交换的多个航天器姿态同步的分散自适应控制

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This paper investigates the problem of decentralized attitude synchronization and tracking for a group of spacecraft, whose communication topology is undirected, subject to inter-spacecraft communication resources constraints, model uncertainties and external disturbances. In order to reduce inter-spacecraft communication burden, a quantization mechanism is developed. In the quantization mechanism, the quantized sequences, whose storage size are much smaller than that of spacecraft's attitude information, are required to be transmitted among spacecraft only when the quantized sequences changes compared with the previous one. Thus, the size of inter-spacecraft communication data can be greatly reduced. A decentralized adaptive attitude synchronization and tracking control scheme is proposed to align spacecraft's attitude and track the desired attitude. By resorting to Barbalat's Lemma, the resulting closed-loop system is proved to be uniformly ultimately bounded stable. Finally, numerical simulation results are presented to demonstrate the effectiveness of the theoretical results.
机译：本文调查了一组航天器的分散态度同步和跟踪的问题，其通信拓扑无期向，符合航天间通信资源限制，模型不确定性和外部干扰。为了减少航天飞机间通信负担，开发了量化机制。在量化机制中，当与前一个相比的量化序列改变时，其存储尺寸远小于航天器姿态信息的存储尺寸远小得多。因此，可以大大减少间隔内通信数据的大小。提出了一种分散的自适应姿态同步和跟踪控制方案，以对准宇宙飞船的姿态并跟踪所需的态度。通过借助Barbalat的Lemma，结果被证明被证明是均匀的最终界限的稳定性。最后，提出了数值模拟结果以证明理论结果的有效性。

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