This paper focuses on the application of an active fault-tolerant control (AFTC) to a real nonlinear system using analytic redundancy\nin case of actuator faults.This approach is composed of the fault detection, isolation, and estimation (FDIE) module and\na control compensation module. A high-gain observer (HGO) is used for FDIE; a new control law is then reconstructed by the\naddition of the estimated actuator fault magnitude to the nominal control law. Experimental results highlight the performance of\nthe proposed approach when it is applied to the hydrographic plant
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