Resilient Synchronization of Heterogeneous MAS Against Correlated Sensor Attacks

Accurate state measurement is important to ensure the reliable operation of distributed multi-agent systems (MAS). Existing fault-tolerant control methods generally assume the sensor faults to be bounded and uncorrelated. In this paper, we study the ramifications of allowing the sensor attack injections to be unbounded and correlated. Concerted malicious behaviors may bypass existing attack-detection methods and threaten the synchronization performance and even system stability of the distributed networked MAS. In particular, we consider networked heterogeneous MAS in the face of correlated sensor attacks and unforeseen actuator faults. We propose a distributed attack-resilient synchronization control framework to guarantee the uniform ultimate boundedness of the overall dynamical system. A simulation example illustrates the efficacy of the proposed attack-resilient method.