DoS Attacks Compensation Controller Design for Networked Control Systems with Weighted-Try-Once-Discard Protocol

This paper investigates the design problem of denial-of-service (DoS) attacks compensation controller for interval type-2 networked control systems with weighted-try-once-discard protocol (WTODP). Firstly, in order to mitigate the adverse impact of DoS attacks, an improved DoS attacks compensation mechanism is constructed in this paper. Compared to the existing compensation mechanisms, the proposed compensation mechanism obtains more accurate compensation signals through the designed functions, further reducing the adverse impact caused by DoS attacks. Secondly, network resources are efficiently conserved through the introduced WTODP. Combining the content mentioned above, a mode-dependent Lyapunov function is utilized to verify the stochastic stability of the closed-loop-system. Finally, a simulation verification is provided to demonstrate the effectiveness of the control strategy.