Distributed Fault-Tolerant H8 Control for Cooperative Output Regulation of Heterogeneous Multiagent Systems

In this article, the cooperative output regulation problem is considered by distributed fault-tolerant H-8 control for heterogeneous multiagent systems with unmatched disturbances and actuator faults. Depending on the relative state information of neighbors and utilizing a distributed finite-time observer, a distributed adaptive controller is designed to estimate the exogenous signal. Based on this observer, a distributed fault-tolerant control protocol is proposed. This problem is solved by the proposed method in two cases. In the first case, the regulated outputs will converge to zero under actuator faults with the designed distributed adaptive controller if there is no disturbance. In the second case, the regulated outputs can be limited to a range related to a preset error attenuation level ? by solving the linear matrix inequality with the influence of unmatched disturbances and actuator faults. Compared with the existing papers, the heterogeneous dynamic of agents and H-8 cooperative output regulation are solved with the influence of both unmatched disturbances and actuator faults. Finally, a simulation example is given to show the effectiveness of the results obtained in this article.