Robust and adaptive tracking control against actuator faults with a linearised aircraft application

Xiao-Zheng Jin, Guang-Hong Yang and Xiao-Heng Chang

International Journal of Systems Science, 2013, vol. 44, issue 1, 151-165

Abstract: This article studies the problem of designing adaptive fault-tolerant H∞ tracking controllers for a class of aircraft flight systems against general actuator faults and bounded perturbations. A robust adaptive state-feedback controller is constructed by a stabilising controller gain and an adaptive control gain function. Using mode-dependent Lyapunov functions, linear matrix inequality-based conditions are developed to find the controller gain such that disturbance attenuation performance is optimised. Adaptive control schemes are proposed to estimate the unknown controller parameters on-line for unparametrisable stuck faults and perturbation compensations. Based on Lyapunov stability theory, it is shown that the resulting closed-loop systems can guarantee asymptotic tracking with H∞ performances in the presence of faults on actuators and perturbations. An application to a decoupled linearised dynamic aircraft system and its simulation results are given.

Date: 2013
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DOI: 10.1080/00207721.2011.598958

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