Abstract
This paper investigates the fixed-time consensus problem for multi-agent systems. Different from the existing results, the mismatched disturbances and actuator faults are taken into account, moreover, the communication networks are considered to be directed. By introducing fixed-time observers to estimate the faults and disturbances, a new observer-based control protocol is designed for each follower system. Under this scheme, the consensus is proved to be achieved by employing a bi-limit homogeneity technique and Lyapunov theory, and the convergence time is independent of initial conditions. Finally, simulation results are provided to verify the validity of the proposed method.
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