Journal
IEEE-CAA JOURNAL OF AUTOMATICA SINICA
Volume 10, Issue 6, Pages 1462-1474Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JAS.2023.123528
Keywords
Group-consensus behavior; hierarchical containment control; linear multi-agent systems; three-layer topology
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This paper discusses a new issue of hierarchical containment control which enables a multitude of followers to achieve novel cooperation. By constructing a three-layer topology, large-scale networks are decoupled, and a dynamic hierarchical containment control protocol is designed under the condition of directed spanning group-tree. The proposed strategy improves the dynamic control performance compared with existing containment control strategies.
The existing containment control has been widely developed for several years, but ignores the case for large-scale cooperation. The strong coupling of large-scale networks will increase the costs of system detection and maintenance. Therefore, this paper is concerned with an extensional containment control issue, hierarchical containment control. It aims to enable a multitude of followers achieving a novel cooperation in the convex hull shaped by multiple leaders. Firstly, by constructing the three-layer topology, large-scale networks are decoupled. Then, under the condition of directed spanning group-tree, a class of dynamic hierarchical containment control protocol is designed such that the novel group-consensus behavior in the convex hull can be realized. Moreover, the definitions of coupling strength coefficients and the group-consensus parameter in the proposed dynamic hierarchical control protocol enhance the adjustability of systems. Compared with the existing containment control strategy, the proposed hierarchical containment control strategy improves dynamic control performance. Finally, numerical simulations are presented to demonstrate the effectiveness of the proposed hierarchical control protocol.
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