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

机译:线性耦合离散时滞复杂互联网络的故障诊断观测器设计

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摘要

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.
机译:研究了一类具有线性耦合的离散时滞复杂互连网络在执行器故障情况下的故障诊断。对于网络状态不可用的情况,首先设计一个状态观察器。然后设计了一个故障诊断观测器,以在线自适应近似器为基础来检测执行器故障,该近似器可以近似复杂网络的未建模动态。最后,通过选择合适的阈值,可以检测到执行器故障。数值仿真表明了该方法的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第10期|860489.1-860489.22|共22页
  • 作者单位

    School of Information Science and Engineering, Northeastern University, Liaoning, Shenyang 110004, China;

    Department of Electrical Engineering, Shenyang Institute of Engineering, Shenyang 110136, China;

    Department of Mathematics, Dalian Jiaotong University, Dalian 116028, China;

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