Min-Ze Chen, Qi Zhao and Dong-Hua Zhou. A Robust Fault Detection Approach for Nonlinear Systems. International Journal of Automation and Computing, vol. 3, no. 1, pp. 23-28, 2006. DOI: 10.1007/s11633-006-0023-y
Citation: Min-Ze Chen, Qi Zhao and Dong-Hua Zhou. A Robust Fault Detection Approach for Nonlinear Systems. International Journal of Automation and Computing, vol. 3, no. 1, pp. 23-28, 2006. DOI: 10.1007/s11633-006-0023-y

A Robust Fault Detection Approach for Nonlinear Systems

  • In this paper, we study the robust fault detection problem of nonlinear systems. Based on the Lyapunov method, a robust fault detection approach for a general class of nonlinear systems is proposed. A nonlinear observer is first provided, and a sufficient condition is given to make the observer locally stable. Then, a practical algorithm is presented to facilitate the realization of the proposed observer for robust fault detection. Finally, a numerical example is provided to show the effectiveness of the proposed approach.
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