Robust fault tolerant control for interconnected systems with dynamic uncertainties and actuator faults

This paper mainly focuses on the problem of robust fault tolerant control for a class of interconnected systems with simultaneous state uncertainties and actuator faults. An algorithm based on the iteration estimation technique is proposed, by which the fault estimates are able to be renewed and close to the fault values. Then, based on the online fault estimates, a robust fault tolerant controller via a robust approximate/adaptive dynamic programming (ADP) approach is designed to stabilize the interconnected system. Simulation results of a numerical example is presented to show the effectiveness and merits of the proposed method.

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