光纤光栅传感器在轨道交通监测中超声导波测量的评价

2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) Pub Date : 2017-08-01 DOI:10.1109/IMOC.2017.8121167

W. Cano, J. Rosolem, Claudio Florida, Paulo Henrique de Oliveira Lopes, D. C. Dini, R. S. Penze, Eduardo Ferreira da Costa, J. P. V. Fracarolli

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引用次数: 6

摘要

远程超声波检测方法具有重要的战略意义，因为它能够检测长距离和检测铁路运输中的早期损伤。本工作旨在验证光纤光栅传感器在地铁轨道样品中测量超声导波的能力。将结果与使用锆钛酸铅(PZT)传感器在5 m轨道样品中进行40 kHz的常规声学检测进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Evaluation of FBG sensors to measure ultrasonic guided waves in rail transport monitoring

Long range ultrasonic testing approach is strategic due to its capability to inspect long distances and to detect incipient damage in rail transportation. The present work aims to verify the ability of a FBG sensor to measure ultrasonic guided waves in a subway rail sample. The results were compared with conventional acoustic detection using lead zirconate titanate (PZT) sensor in a 5-m rail sample at 40 kHz.

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来源期刊

2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)

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