Abstract
This chapter is devoted to studying the consensus problem of networked multi-agent systems with delays and fractional-order dynamics. The effects of input delay, communication delay, fractional-order dynamics and directed information flow on the consensus behavior of networked multi-agent systems are systematically studied. We find that consensus is very robust against communication delays in both integer-order systems and fractional-order systems with fractional-order α ∈ (0, 1]. One well-informed leader is proved to be enough for the regulation of all agents’ final state, even when the external signal is very weak. By using the generalized Nyquist stability criterion, a necessary and sufficient condition is derived to ensure the consensus of fractional-order systems with identical input delays over directed networks. Furthermore, when the interaction topology is undirected, consensus condition of fractional-order systems with heterogeneous input delays is explicitly given. Based on frequency-domain approach, sufficient conditions are obtained to ensure the consensus of the fractional-order systems with simultaneously nonuniform input and communication delays.
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Lu, J., Shen, J., Cao, J., Kurths, J. (2013). Consensus of Networked Multi-agent Systems with Delays and Fractional-Order Dynamics. In: Kocarev, L. (eds) Consensus and Synchronization in Complex Networks. Understanding Complex Systems. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33359-0_4
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DOI: https://doi.org/10.1007/978-3-642-33359-0_4
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