Real time early warning method of transmission line external damage prevention based on optical fiber sensing technology

Yan Jiang; Kangqiao Wu; Yue Wang; Xuze Zhang; Guanyao Wang

doi:10.1117/12.2631955

14 April 2022 Real time early warning method of transmission line external damage prevention based on optical fiber sensing technology

Yan Jiang, Kangqiao Wu, Yue Wang, Xuze Zhang, Guanyao Wang

Author Affiliations +

Proceedings Volume 12178, International Conference on Signal Processing and Communication Technology (SPCT 2021); 1217806 (2022) https://doi.org/10.1117/12.2631955
Event: International Conference on Signal Processing and Communication Technology (SPCT 2021), 2021, Tianjin, China

Abstract

Aiming at the problem of high false alarm rate due to the monitoring blind area of transmission line anti external damage early warning method, a real-time anti external damage early warning method of transmission line based on optical fiber sensing technology is proposed. The geometry of the target damaged by external force is a contour representation of the outer edge, and the edge points are used for target recognition. Optical fiber sensing technology is used to accurately locate and quantify the pressure change of the identified target, and the monitoring blind area is reduced according to the stress distribution. The anti external force damage algorithm is designed to extract and locate the moving area of the external force damage target and separate it from the background in the video. The target movement area is divided into three areas: line protection area, monitoring work area and danger warning area. According to the evaluation level, the real-time early warning of external damage prevention of transmission line is carried out. The simulation test results show that the realtime early warning method based on optical fiber sensing technology has lower false alarm rate than the anti external break early warning method based on CNN-RVM, ViBe motion detection algorithm and automatic clustering model. It can provide real-time and reliable early warning information.

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Yan Jiang, Kangqiao Wu, Yue Wang, Xuze Zhang, and Guanyao Wang "Real time early warning method of transmission line external damage prevention based on optical fiber sensing technology", Proc. SPIE 12178, International Conference on Signal Processing and Communication Technology (SPCT 2021), 1217806 (14 April 2022); https://doi.org/10.1117/12.2631955

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KEYWORDS

Optical fibers

Optical sensing

Detection and tracking algorithms

Motion detection

Motion models

Target recognition

Video

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