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Vibration fault detection method of boiler feed pump based on Hilbert vibration decomposition

Author

Listed:
  • Yanyuan Li
  • Xingming Zhao
  • Zhongzhu Liu
  • Xiaofang Sun

Abstract

In this paper, a vibration fault detection method of boiler feed pump based on Hilbert vibration decomposition is proposed. Firstly, the vibration signal characteristics of boiler feed pump are analysed. Then, the wavelet threshold denoising principle is used to quantify the vibration signal and obtain the denoised vibration signal. Then, Hilbert vibration decomposition method is used to decompose the vibration signal and extract the signal features. Finally, the fault type of the feed water pump is judged by the abnormal increase of the feed water pump outlet pressure and the failure of the full opening of the deaerator. The simulation results show that the accuracy of vibration fault detection of boiler feed pump by the proposed method is up to 100%, and the detection time is within 18.32 s. The detection accuracy of the proposed method is high, and the detection time is short.

Suggested Citation

  • Yanyuan Li & Xingming Zhao & Zhongzhu Liu & Xiaofang Sun, 2023. "Vibration fault detection method of boiler feed pump based on Hilbert vibration decomposition," International Journal of Manufacturing Technology and Management, Inderscience Enterprises Ltd, vol. 37(3/4), pages 334-348.
    • Handle: RePEc:ids:ijmtma:v:37:y:2023:i:3/4:p:334-348
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