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Sampled-data consensus control for nonlinear time-delay multi-agent systems under false data injection attacks
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DOI：10.1007/s11071-023-08492-w.png)
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Abstract
En 中文
In this paper, the consensus problem is investigated via sampled-data output feedback control for nonlinear multi-agent systems subject to output delay and false data injection attacks, where only the delayed sampling outputs are available. Firstly, employing the available information, an improved compensator that does not continuously communicate with neighbors is constructed to provide control signals. Secondly, in the absence and presence of false data injection attacks, two compensator-based sampled-data control protocols with different time-varying gains are put forward, respectively. Then, in combination with the Lyapunov-Krasovskii functional approach, the proposed protocols are capable of achieving consensus and compensating for the effect of output delay and attack signals. Furthermore, above results are extended to the multi-agent systems with more general nonlinearities. Particularly, the sampling period and the output delay are arbitrary positive constants, removing the constraints of upper bound. Finally, the feasibility of the proposed protocols is demonstrated by two practical simulations.
Keywords:
Nonlinear multi-agent systems
Output delay
False data injection attacks
Sampled-data control
Time-varying gain