Journal
AUTOMATICA
Volume 39, Issue 11, Pages 1975-1982Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0005-1098(03)00219-X
Keywords
actuator failure; adaptive control; aircraft dynamics; failure compensation; nonlinear systems; output tracking; stability
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Adaptive actuator failure compensation for parametric-strict-feedback systems is studied under different system structure conditions. Adaptive state feedback control schemes are developed, which ensure asymptotic output tracking and closed-loop signal boundedness. An adaptive control scheme is applied to a twin otter aircraft longitudinal nonlinear dynamics model in the presence of unknown failures in a two-segment elevator servomechanism. Simulation results verify the effectiveness of adaptive actuator failure compensation for desired system performance. (C) 2003 Elsevier Ltd. All rights reserved.
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