铁路通信信号工程技术2024，Vol.21Issue(8)：9-14,91,7.DOI:10.3969/j.issn.1673-4440.2024.08.002
基于光纤光栅传感技术的计轴系统研究
Research on Axle Counter System Based on Fiber Bragg Grating Sensing Technology
摘要
Abstract
This paper primarily explores an axle counter system based on the Fiber Bragg Grating(FBG)sensing technology.The mechanism of FBG sensing and the principles of axle counting are introduced.Building upon this foundation,an FBG-based axle counter system is investigated,which is divided into three subsystems:sensing,demodulation and main control.The installation location and method of the FBG sensor are determined on the basis of the stress coupling distribution of the wheel and rail.Starting from the requirements of axle counting applications,the corresponding wavelength demodulation method for FBG is proposed,along with the structure design of the demodulation subsystem.The implementation method and functions of the main control subsystem are also introduced.The multiple-scenario tests of the FBG-based axle counter system are conducted at a selected freight station,and the results indicate that the proposed system can accurately perform the axle counting functions in complex scenarios such as passing,stopping,and reversing.关键词
计轴/光纤光栅/传感/解调Key words
axle counting/Fiber Bragg Grating(FBG)/sensing/demodulation分类
交通工程引用本文复制引用
吴春晓,张璐,杨帆,王晟,张天赋,王东..基于光纤光栅传感技术的计轴系统研究[J].铁路通信信号工程技术,2024,21(8):9-14,91,7.基金项目
国家重点研发计划项目(2023YFB2804900) （2023YFB2804900）
国家铁路局研究课题项目(KF2021-047) （KF2021-047）
