H ∞ Control for Industrial Cyber-Physical Systems Encountering Reactive DoS Jamming Attacks

In this paper, a kind of H ∞ control problem is studied for an Industrial Cyber-Physical System (ICPS) which employs the event-triggered mechanism (ETM) in the measurement wireless channel encountering a stealthy and reactive DoS jammer. For the ETM in the measurement channel, the DoS jammer keeps sensing the measurement channel and launches jamming attacks when there is packet transmission and launches DoS jamming attacks to decrease the quality of wireless communication. In order to guarantee the availability of ICPS and consider that the ICPS does not know the DoS jammers’ attack strategy, a H ∞ observer-based control method is designed by establishing an attack-tolerant mechanism to achieve the desired H ∞ disturbance attenuation level, and the controller design problem is transformed to an auxiliary convex optimization problem. Numerical simulation is presented to demonstrate the effectiveness of the proposed H ∞ control method finally.