Abstract

This paper considers the topology identification issue for fractional complex networks (FCNs) based on the synchronization in finite-time. Firstly, two lemmas with respect to the convergence of a continuous differential function and its Caputo fractional derivative are developed, respectively. Secondly, a fractional auxiliary network, which consists of the isolated chaotic system, is introduced to avoid the requirement for the linear independence condition (LIC). A control protocol with the event-trigger mechanism (ETM) and a adaptive topology observer are designed to achieve the synchronization in finite time and topology identification. In addition, the synchronization conditions in finite time between regulated network and auxiliary network are addressed, and the topology identification is realized under the designed control protocol successfully. Finally, two numerical simulations are provided to illustrate the effectiveness of the proposed scheme and the validity of theoretical results.

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