This paper addresses the problem of event-triggered control for networked control systems (NCSs) under stochastic denial-of-service (DoS) attacks. A Markov DoS attack model with uncertain probabilities is proposed to describe the impact of the current DoS attack occurrence on the subsequent step while considering the randomness and uncertainty of attack probabilities. Moreover, a DoS-attack-dependent event-triggered mechanism (DADETM) is designed dependent on the occurrence of DoS attacks to avoid ineffective triggering behavior during DoS attacks active period. The DADETM is only triggered during the DoS attacks sleep period, thereby saving communication resources. Subsequently, the controller under DADETM is designed and sufficient conditions ensuring asymptotic mean-square stability of the closed-loop system are derived by utilizing the piecewise Lyapunov functions (PLFs). Finally, the effectiveness of the proposed method is demonstrated through simulations of a networked double-sided linear switched reluctance machine (DLSRM) system.
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