Study on tailings pipeline leakage location based on CEEMDAN and quadratic cross-correlation delay estimation

Jianfeng Xiao; Zuoshi Liu; Jinrong Wen

doi:10.1117/12.3015160

6 February 2024 Study on tailings pipeline leakage location based on CEEMDAN and quadratic cross-correlation delay estimation

Jianfeng Xiao, Zuoshi Liu, Jinrong Wen

Author Affiliations +

Proceedings Volume 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023); 129792U (2024) https://doi.org/10.1117/12.3015160
Event: 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 2023, Guilin, China

Abstract

Aiming at the location problem in tailings pipeline leakage detection, the leakage signal is analyzed based on infrasonic wave, and the collected infrasonic wave signal is decomposed by adaptive noise Complete Ensemble Empirical Mode Decomposition (CEEMDAN), through the correlation coefficient, the Intrinsic Mode Component (IMF) which is highly correlated with the original infrasonic wave signal is selected and combined with the residual component to reconstruct the signal, and the infrasonic wave signal after noise removal is obtained. Then, the second time cross-correlation time delay estimation algorithm is used to calculate the time difference of the leakage signal received by the acoustic sensor at both ends of the tailing's pipeline, and the leakage point is located based on the principle of pipeline leakage location. The simulated leakage experiment was carried out on the tailings pipeline of the relevant mine. The results show that: after the CEEMDAN algorithm reconstructs the signal, the signal-to-noise ratio of the signal is larger and the root mean square error is smaller, and the denoising effect is better; the quadratic cross-correlation time delay estimation algorithm can locate the leakage point within ±30 meters, and the relative error is controlled within 10%, making the positioning more accurate.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jianfeng Xiao, Zuoshi Liu, and Jinrong Wen "Study on tailings pipeline leakage location based on CEEMDAN and quadratic cross-correlation delay estimation", Proc. SPIE 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 129792U (6 February 2024); https://doi.org/10.1117/12.3015160

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KEYWORDS

Interference (communication)

Correlation coefficients

Acoustics

Sensors

Signal to noise ratio

Acoustic waves

Denoising

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