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The article addresses the problem of detecting and isolating sensor and actuator faults in a class of MIMO (multiple-input, multiple-output) systems characterized by an arbitrary relative degree. The proposed solution is based on the design of observers that remain invariant to the input signal. Simulation results are provided to demonstrate the effectiveness of the method. Additionally, the approach ensures robustness against disturbances.

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Diagnostics of Systems with Arbitrary Relative Degree and Immeasurable Input

  • 会议论文

  • 发表日期：

    2026年

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  • Alexey Margun,
  • Islam Bzhikhatlov,
  • Viktor Zhdanov

摘要

The article addresses the problem of detecting and isolating sensor and actuator faults in a class of MIMO (multiple-input, multiple-output) systems characterized by an arbitrary relative degree. The proposed solution is based on the design of observers that remain invariant to the input signal. Simulation results are provided to demonstrate the effectiveness of the method. Additionally, the approach ensures robustness against disturbances.