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Under the framework of cyber-physical systems (CPSs), this paper is concentrated on the secure synchronization control problem for complex dynamical networks subject to denial-of-service (DoS) attacks. The so-called pinning-nodes-based observer, which only utilizes the measurement outputs of pinning nodes, is designed to estimate all system states. Different from the existing studies where the network environment is secure, intermittent DoS attacks are considered here in the measurement (sensor-to-controller) and control (controller-to-actuator) channels. These two channels will be blocked by DoS attacks when the attacker being active. By the theories of Lyapunov and comparison, the secure synchronization scheme for the considered system under intermittent DoS attacks is given. Finally, a numerical example is exhibited to confirm the availability of the developed theoretical outcomes.
Liu et al. (Tue,) studied this question.