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Structure Health Monitoring of Aircraft Power Unit Using Vibration Signal

  • Mariusz ŻokowskiEmail author
  • Mirosław Witoś
  • Jarosław Spychała
  • Paweł Majewski
Conference paper
Part of the Applied Condition Monitoring book series (ACM, volume 15)

Abstract

The technical condition of the power unit plays a key role in flight safety. The article presents concept of the diagnosis of the aircraft’s propulsion unit based on the vibration signal using lab-stand dedicated to HUMS – Health and Usage Monitoring System. At the beginning of the paper is presented the differences between the aircraft engine and the power unit. The stationary rotating machine which modify the use of the vibration signal in diagnostics are indicated. The theoretical foundations of vibration diagnostics of aircraft engines and power unit are discussed, indicating the main sources of excitation and the impact of constructional features of the machine on vibration propagation. Next, the methodology of active experiments was discussed, as part of which broadband vibration spectrum and new diagnostic symptoms were identified. The methodology of creating expert software for the needs of the HUMS has also been approximated. Finally operational experience was presented based on which the need for further research and development in the field of optimization of measurement data analysis methods, software and inference methods was demonstrated. The topics discussed will be illustrated by examples.

Keywords

Transport Safety Combustion Unbalance Vibration Structure health monitoring Measurement Signal analysis Health and Usage Monitoring System 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Mariusz Żokowski
    • 1
    Email author
  • Mirosław Witoś
    • 1
  • Jarosław Spychała
    • 1
  • Paweł Majewski
    • 1
  1. 1.Air Force Institute of TechnologyWarsawPoland

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