Event-Triggered Secure Control Under Aperiodic DoS Attacks

doi:10.1109/TASE.2024.3483169

Event-Triggered Secure Control Under Aperiodic DoS Attacks

2024-01-01

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DOI：10.1109/TASE.2024.3483169

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This paper is focused on the event-based secure control issue for cyber-physical systems (CPSs) under aperiodic denial-of-service (DoS) attacks. Malicious DoS attacks disrupt the communication between the controller and the actuator. The finite attack resources of malicious attackers are taken into consideration, and the DoS attacks are characterized using an aperiodic model. In contrast to prior results, the present study tackles the issue of secure controller design by considering the attributes of the DoS attack, instead of employing a switched system approach to address the aforementioned concerns. More specifically, under aperiodic DoS attacks, sufficient criteria are established to guarantee that the closed-loop CPSs can achieve bounded stability. Then, within a time-varying attack period, the relationship between the attack active interval and the attack silent interval is derived. Without satisfying the derived conditions, the system's stability will deteriorate. Moreover, an event-based secure control scheme under aperiodic DoS attacks is designed. To verify the efficacy of the derived theory, a wheeled mobile robot system under aperiodic DoS attacks is illustrated.

Keyword:

Event detection

Control systems

Stability criteria

Denial-of-service attack

Switches

Actuators

Switched systems

Resource management

Mobile robots

System performance

Cyber-physical systems

event-triggered control

aperiodic DoS attacks

bounded stability

Event-Triggered Secure Control Under Aperiodic DoS Attacks

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