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A robust fault detection approach for nonlinear systems

  • Min-Ze Chen
  • Qi Zhao
  • Dong-Hua ZhouEmail author
Article

Abstract

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.

Keywords

Robust nonlinear systems fault detection observer stability 

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Copyright information

© Institute of Automation, Chinese Academy of Sciences 2006

Authors and Affiliations

  1. 1.Department of AutomationTsinghua UniversityBeijingPRC

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