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Fault-Tolerant Control for a Class of Nonlinear Systems Based on Adaptive Observer

Journal from gdlhub / 2016-11-09 06:21:20
Oleh : Zhang Dong-wen, Wang Qiao-ling, Telkomnika
Dibuat : 2016-06-01, dengan 1 file

Keyword : Nonlinear system, Fault detection and diagnosis, Fault-tolerant control, Adaptive observer, Adaptive law
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/4367

This paper addresses a fault-tolerant control scheme for a class of nonlinear systems based on the adaptive fault diagnosis method. Considering the nonlinearity of systems satisfies the Lipschitz condition, the adaptive law is designed according to the Lyapunov theory, and the proposed augmented adaptive observer can not only endure the nonlinearity but also broaden the application scopes of general adaptive observer. Then, a fault- tolerant controller is designed to compensate for the effect of the faults and guarantees the closed-loop system stable. Finally, a numeral example is presented to illustrate the effectiveness and feasibility of the addressed approach.

Deskripsi Alternatif :

This paper addresses a fault-tolerant control scheme for a class of nonlinear systems based on the adaptive fault diagnosis method. Considering the nonlinearity of systems satisfies the Lipschitz condition, the adaptive law is designed according to the Lyapunov theory, and the proposed augmented adaptive observer can not only endure the nonlinearity but also broaden the application scopes of general adaptive observer. Then, a fault- tolerant controller is designed to compensate for the effect of the faults and guarantees the closed-loop system stable. Finally, a numeral example is presented to illustrate the effectiveness and feasibility of the addressed approach.

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