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Advanced transformer model for simultaneous leakage aperture recognition and localization in gas pipelines

Author

Listed:
  • Li, Pengyu
  • Wang, Xiufang
  • Jiang, Chunlei
  • Bi, Hongbo
  • Liu, Yongzhi
  • Yan, Wendi
  • Zhang, Cong
  • Dong, Taiji
  • Sun, Yu

Abstract

This study proposes a joint learning end-to-end dual-stream transformer structure based on enhanced external attention and improved feedforward mechanisms (EEA-JL) to address the problem of simultaneous leakage aperture recognition and localization in gas pipelines under noisy backgrounds. The EEA-JL structure can effectively improve the accuracy of leakage aperture recognition and localization in a single model. Traditional convolutional neural networks (CNNs) and recursive frameworks (RNNs) have limitations in extracting leakage features and analyzing positional information, making it difficult to capture the correlation coupling between different leakage apertures and positions. The EEA-JL structure incorporates a self-attention mechanism with two external linear neural memory units to analyze the correlation between samples and deepen the understanding of different leakage scenarios. Additionally, the multi-scale soft-threshold denoising module (MSSD) adaptively estimates the noise threshold of signals under different leakage conditions to achieve denoising. Through simulation experiments on a 169-meter oil and gas pipeline leakage detection system platform and comparison with other advanced methods, the EEA-JL model achieves a precision rate and R2score of 99.7% and 0.993, respectively, in aperture recognition and localization, with an average positioning error controlled within 1.26 m, demonstrating its guiding significance.

Suggested Citation

  • Li, Pengyu & Wang, Xiufang & Jiang, Chunlei & Bi, Hongbo & Liu, Yongzhi & Yan, Wendi & Zhang, Cong & Dong, Taiji & Sun, Yu, 2024. "Advanced transformer model for simultaneous leakage aperture recognition and localization in gas pipelines," Reliability Engineering and System Safety, Elsevier, vol. 241(C).
    • Handle: RePEc:eee:reensy:v:241:y:2024:i:c:s0951832023005999
    DOI: 10.1016/j.ress.2023.109685
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    References listed on IDEAS

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    1. Su, Yue & Li, Jingfa & Yu, Bo & Zhao, Yanlin & Yao, Jun, 2021. "Fast and accurate prediction of failure pressure of oil and gas defective pipelines using the deep learning model," Reliability Engineering and System Safety, Elsevier, vol. 216(C).
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