2015
DOI: 10.1002/rnc.3392
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Actuator fault-tolerant control (FTC) design with post-fault transient improvement for application to aircraft control

Abstract: SUMMARYA robust fault-tolerant control scheme is proposed for uncertain nonlinear systems with zero dynamics, affected by actuator faults and lock-in-place and float failures. The proposed controller utilizes an adaptive second-order sliding mode strategy integrated with the backstepping procedure, retaining the benefits of both the methodologies. A Lyapunov stability analysis has been conducted, which unfolds the advantages offered by the proposed methodology in the presence of inherent modeling errors and st… Show more

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Cited by 35 publications
(38 citation statements)
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“…The former makes use of two or more modules that are operated in parallel. For example, x˙=f(x)+j=1q+1gj(x)uj, where the q +1 actuators are active during operation as studied in References , and . Such a way, on the one hand, results in long‐term wear‐and‐tear of standby components.…”
Section: Problem Formulation and Preliminariesmentioning
confidence: 99%
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“…The former makes use of two or more modules that are operated in parallel. For example, x˙=f(x)+j=1q+1gj(x)uj, where the q +1 actuators are active during operation as studied in References , and . Such a way, on the one hand, results in long‐term wear‐and‐tear of standby components.…”
Section: Problem Formulation and Preliminariesmentioning
confidence: 99%
“…What remains to be shown is the boundedness of the rest of the closed-loop signals. Repeating the previous analysis process in steps 1 − n by replacing (19) with (10), it can be obtained that for each i ∈ {1, · · · , n}, the function h i remains bounded over [0, ∞). Furthermore, it holds thaṫ…”
Section: Baseline Controllermentioning
confidence: 99%
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“…Because faults may degrade the overall system performances or, more severely, cause catastrophic accidents, it is of great importance to detect and eliminate the adverse effects brought by these faults in time, so as to guarantee the safety and reliability of the control systems. For this reason, over the past few decades, fault detection and isolation, fault estimation (FE), and fault‐tolerant control (FTC) have drawn much attention, and many significant results have been reported in literature . For example, proposed an fault detection and isolation method based on the sliding mode observer.…”
Section: Introductionmentioning
confidence: 99%
“…Reference introduced the sliding mode theory to FTC designs. Reference utilized an adaptive second‐order sliding mode strategy combined with backstepping procedure to design a robust FTC for uncertain nonlinear systems. Reference presented a novel actuator adaptive FTC strategy for a class of uncertain multi‐input single‐output nonlinear systems by designing a new Lyapunov function incorporating a tan‐type barrier function.…”
Section: Introductionmentioning
confidence: 99%