基于超弱光栅传感阵列的钻机违法入侵地铁线路识别定位方法

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振动与冲击 ›› 2022, Vol. 41 ›› Issue (20) : 202-207.

论文

李盛1，邱阳2,3，南秋明1，甘维兵1，蒋锦朋1

作者信息 +

A method for identifying and locating illegally invading subway lines by drilling rigs based on ultra-weak Bragg fiber optic grating sensing array

LI Sheng1,QIU Yang2,3,NAN Qiuming1,GAN Weibing1,JIANG Jinpeng1

Author information +

文章历史 +

摘要

实时监测和及时报警地铁线路上方钻机的违法入侵对地铁安全管理十分重要。分布式光纤传感技术是一种满足长距离、远程实时监测需求的有效手段。为及时发现和定位地铁线路上方钻机违法入侵，超弱光栅传感阵列被用于采集钻机入侵事件引起的分布式振动响应。基于钻机设备发动机的振动信号特征，提出了可实时识别并定位钻机违法入侵的方法。现场试验结果表明，提出方法具有抵抗地面及地下交通荷载干扰的能力，可以及时、准确地识别和定位模拟的钻机违法入侵事件。
关键词：违法入侵；地铁隧道；超弱光纤布拉格光栅；分布式振动；钻机

Abstract

Real-time monitoring and timely warning of illegal intrusion of drilling rigs above the subway line are significant for subway safety management. Distributed optical fiber sensing technology is an effective measure to meet the needs of long-distance, remote real-time monitoring. To detect and locate the illegal intrusion of drilling rigs above the subway line in time, the ultra-weak fiber optic Bragg grating sensing array is used to collect the distributed vibration response caused by the drilling rig intrusion event. Based on the vibration signal characteristics of the drilling rig equipment engine, a method that can identify and locate the illegal intrusion of the drilling rig in real time is proposed. Field test results show that the method can resist ground and underground traffic load interference, and can accurately and timely identify and locate simulated drilling rig intrusion events.
Key words: illegal invasion; subway tunnel; ultra-weak Bragg fiber optic grating; distributed vibration; drilling rig

导出引用

李盛1，邱阳2,3，南秋明1，甘维兵1，蒋锦朋1. 基于超弱光栅传感阵列的钻机违法入侵地铁线路识别定位方法[J]. 振动与冲击, 2022, 41(20): 202-207

LI Sheng1,QIU Yang2,3,NAN Qiuming1,GAN Weibing1,JIANG Jinpeng1. A method for identifying and locating illegally invading subway lines by drilling rigs based on ultra-weak Bragg fiber optic grating sensing array[J]. Journal of Vibration and Shock, 2022, 41(20): 202-207

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