Extended-state-observer-based adaptive control for synchronisation of multi-agent systems with unknown nonlinearities

Hongjiu Yang, Xiu You, Zhixin Liu and Fuchun Sun

International Journal of Systems Science, 2015, vol. 46, issue 14, 2520-2530

Abstract: This paper studies the problem of synchronisation to a desired trajectory for non-linear multi-agent systems. By introducing extended state observer approach, decentralised adaptive controllers are designed for distributed systems which have non-identical unknown non-linear dynamics. The non-identical unknown non-linear dynamics allows for a tracked command dynamics which is also non-linear and unknown. State variables of agents can be obtained only in the case where leader agent and the network communication topology for multi-agent systems is strongly connected digraph network structures. A Lyapunov-function-based approach is given to show that the tracking error is ultimately bounded. Some simulation results are given to demonstrate the effectiveness of the developed techniques in this paper.

Date: 2015
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DOI: 10.1080/00207721.2013.871367

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