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Laser & Optoelectronics Progress, Volume. 60, Issue 9, 0928002(2023)

Pipeline Leakage Monitoring Technology of Distributed Optical Fiber Vibration Based on Multi-Dimensional Spatial Data Fusion Algorithm

Zhiwei Liu, Ying Shang*, Chen Wang, Wenan Zhao, and Chang Li
Author Affiliations
  • Laser Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250104, Shandong , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
    Equations (12)
    References (20)
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    Figures & Tables(10)
    Schematic diagram of DVS system

    Fig. 1. Schematic diagram of DVS system

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    Schematic diagram of pipeline and optical cable layout

    Fig. 2. Schematic diagram of pipeline and optical cable layout

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    Waterfall diagram of leakage point location. (a) Leakage point A1; (b) leakage point A2; (c) leakage point A3

    Fig. 3. Waterfall diagram of leakage point location. (a) Leakage point A1; (b) leakage point A2; (c) leakage point A3

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    Vibration curve of leakage point

    Fig. 4. Vibration curve of leakage point

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    Time domain signal of leakage point

    Fig. 5. Time domain signal of leakage point

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    Multi-dimensional spatial data fusion signal at location of leakage point

    Fig. 6. Multi-dimensional spatial data fusion signal at location of leakage point

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    Time-domain signal and multi-dimensional spatial data fusion signal. (a) Leakage point location A1; (b) leakage point location A2; (c) leakage point location A3

    Fig. 7. Time-domain signal and multi-dimensional spatial data fusion signal. (a) Leakage point location A1; (b) leakage point location A2; (c) leakage point location A3

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    Multi-point leakage vibration signal

    Fig. 8. Multi-point leakage vibration signal

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    Multi-dimensional spatial data fusion signal

    Fig. 9. Multi-dimensional spatial data fusion signal

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    • Table 1. Leakage point alarm situation

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      Table 1. Leakage point alarm situation

      Leakage pointThresholdAlarm rate /%
      A1 unprocessed data0.00779015389.24
      A1 processed data0.009484472100.00
      A2 unprocessed data0.01328269580.47
      A2 processed data0.008830046100.00
      A3 unprocessed data0.00513602684.83
      A3 processed data0.006113201100.00
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    Zhiwei Liu, Ying Shang, Chen Wang, Wenan Zhao, Chang Li. Pipeline Leakage Monitoring Technology of Distributed Optical Fiber Vibration Based on Multi-Dimensional Spatial Data Fusion Algorithm[J]. Laser & Optoelectronics Progress, 2023, 60(9): 0928002

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Mar. 11, 2022

    Accepted: Apr. 27, 2022

    Published Online: May. 9, 2023

    The Author Email: Shang Ying (sy81012607@163.com)

    DOI:10.3788/LOP220964

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology