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Formation-containment control of multi-agent systems with communication delays
Liangming Chen1, Chuanjiang Li1, Yanning Guo1
1Department of Control Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China.
Abstract:
This paper designs formation-containment control algorithms for a class of second-order nonlinear multi-agent systems governed by Euler-Lagrange dynamics with communication delays. The formation-containment problem consists of leader agents' formation control and follower agents' containment control. Firstly, to make the leaders form a desired formation and move collectively with a constant velocity, a coordinated formation control algorithm is designed and the variable-gain technique is used to eliminate the effect of communication delays on the leaders' formation control. Secondly, considering that only the leaders have access to the desired moving velocity, we propose distributed velocity estimators for followers in which the communication delays also exist in the followers' information interaction. By using the estimated velocity information, coordinated containment control laws are designed for the followers to drive them asymptotically converge to the convex hull spanned by all leaders. Furthermore, to increase the system robustness against uncertainties and external disturbances, the adaptive updating laws are designed for all agents. Finally, simulations are given to demonstrate these obtained results.
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