Affiliation:
1. Naval Aviation University, Yantai 264001, China
Abstract
This paper deals with the robust fault detection problem in the finite frequency domain for a class of Lipschitz nonlinear systems with uncertain parameters. The design conditions of
fault detection observers are proposed. These conditions make the error estimation system stable, and the residual has
disturbance attenuation performance for external disturbances and uncertain parameters. In addition, considering that fault occurs in the finite frequency domain, the residual also has
fault sensitivity performance. To ease of solution, the observer design conditions are further transformed into linear matrix inequalities. On this basis, a dynamic threshold design method based on
analysis is presented. Finally, simulation results demonstrate the superiority of the proposed method.
Subject
General Engineering,General Mathematics
Cited by
2 articles.
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