Event‐triggered secure control under denial‐of‐service attacks for cyber‐physical systems with positive constraint

Author:

Liu Jiao1ORCID,Li Xiaopeng1,Liu Yixian1,Kang Le1

Affiliation:

1. School of Artificial Intelligence Hebei University of Technology Tianjin China

Abstract

AbstractThis paper investigates the stabilization problem for cyber‐physical systems subject to positive constraint and denial‐of‐service (DoS) attacks using the event‐triggered scheme. Unlike traditional modeling of cyber physical systems with DoS attack, this paper establishes a positive switched system model composed of two positive subsystems that according to the DoS attack is active or inactive. Considering the effect of positive constraint and DoS attack, a 1‐norm‐based event‐triggered mechanism is proposed in the sleep interval of DoS attacks. By incorporating switching theory with event‐triggered mechanism, the sufficient condition of positive property and exponential stabilization for the considered system is established. Thereafter, the gain matrix of the controller is calculated by matrix decomposition technique. Furthermore, the Zeno behavior is eliminated with a lower bound of the event‐triggered interval. Finally, an example is carried out to verify the validity of the theoretical results.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hebei Province

Publisher

Wiley

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