New conditions on synchronization of networks of linearly coupled dynamical systems with non-Lipschitz right-hand sides. (English) Zbl 1258.93007

Summary: In this paper, we study synchronization of networks of linearly coupled dynamical systems. The node dynamics of the network can be very general, which may not satisfy the QUAD condition. We derive sufficient conditions for synchronization, which can be regarded as extensions of previous results. These results can be employed to networks of coupled systems, of which, in particular, the node dynamics have non-Lipschitz or even discontinuous right-hand sides. We also give several corollaries where the synchronization of some specific non-QUAD systems can be deduced. As an application, we propose a scheme to realize synchronization of coupled switching systems via coupling the signals which drive the switchings. Examples with numerical simulations are also provided to illustrate the theoretical results.


93A14 Decentralized systems
94C15 Applications of graph theory to circuits and networks
93A15 Large-scale systems
34H05 Control problems involving ordinary differential equations
05C82 Small world graphs, complex networks (graph-theoretic aspects)
Full Text: DOI


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