Specified QoS based networked observer and PI controller design with disturbance and noise rejection under random packet dropout

A dynamic event-triggered network control scheme is proposed for a class of distributed parameter systems with time delay and nonlinearity. The security control of the PDE system under DOS attack based on dynamic event-triggered is studied. A dynamic event-triggered scheme is adopted to reduce the communication burden, that is, the sampling data will be sent only when the original trigger condition is violated. At the same time, a new model including denial of service attack (DOS) is established to describe the random network attack. When a hacker launches a DoS attack, it prevents the sampling data from reaching the destination by interfering with the network channel. DOS attacks follow no specific pattern and exhibit non-periodic behavior or irregular probability distribution. A mathematical model of a state-dependent uncertain system with an event-triggered scheme was established to study denial of service attacks. By using the Lyapunov-Krasocskii stability theory and linear matrix inequality tools, sufficient conditions were derived to ensure the index mean square stability of the state-dependent uncertain system. Based on this, sufficient conditions for the asymptotic stability of the closed-loop network control system and the expected performance index of the system were obtained. Numerical examples verified the feasibility of the method, and controller design validated the applicability of the theoretical results.

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Small-Gain-Based Adaptive Secure Control of Switched Cyber-Physical Systems With Denial-of-Service Attacks

Song

Liu

et al. 2024

IEEE Trans. Ind. Inf.

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Specified QoS based networked observer and PI controller design with disturbance and noise rejection under random packet dropout

Cited by 3 publications

References 83 publications

Observer based decentralized load frequency control with false data injection attack for specified network quality and delay

Observer based decentralized load frequency control with false data injection attack for specified network quality and delay

Dynamic Event-triggered Control for Nonlinear PDE System with Actuator Dead-zone

Small-Gain-Based Adaptive Secure Control of Switched Cyber-Physical Systems With Denial-of-Service Attacks

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