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Fault Diagnosis Observer Design for Discrete-Time Delayed Complex Interconnected Networks with Linear Coupling

Author

Listed:
  • Zhanshan Wang
  • Huanxin Guan
  • Chengde Zheng

Abstract

Fault diagnosis for a class of discrete-time delayed complex interconnected networks with linear coupling in the case of actuator fault is studied. For the case of unavailability of network state, a state observer is first designed. Then a fault diagnosis observer is designed to detect the actuator fault on the basis of online adaptive approximator, which can approximate the unmodeled dynamics of the complex networks. Lastly, by choosing a suitable threshold, the actuator fault can be detected. A numerical simulation is used to show the effectiveness of the proposed method.

Suggested Citation

  • Zhanshan Wang & Huanxin Guan & Chengde Zheng, 2012. "Fault Diagnosis Observer Design for Discrete-Time Delayed Complex Interconnected Networks with Linear Coupling," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-22, November.
    • Handle: RePEc:hin:jnlmpe:860489
    DOI: 10.1155/2012/860489
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