基于光纤光栅传感技术的计轴系统研究

doi:10.3969/j.issn.1673-4440.2024.08.002

铁路通信信号工程技术 ›› 2024, Vol. 21 ›› Issue (8): 9-14,91.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

吴春晓^1，2，3，张璐^1，2，杨帆₄，王晟^1，2，张天赋^1，2，王东^1，2

1．北京全路通信信号研究设计院集团有限公司，北京 100070；
2．列车自主运行智能控制铁路行业工程研究中心，北京 100070；
3．北京航空航天大学，北京 100191；
4．太极计算机股份有限公司，北京 100102

收稿日期:2023-12-05 修回日期:2024-05-11 出版日期:2024-08-25 发布日期:2024-08-25
作者简介:吴春晓（1989—），男，工程师，博士，主要研究方向：光纤传感技术，邮箱:wuchunxiao@crscd.com.cn。
基金资助:
国家重点研发计划项目（2023YFB2804900）；国家铁路局研究课题项目（KF2021-047）

发明专利：2019年国家发明专利（ZL201910911073.9）；2019年国家发明专利（ZL201910793632.0）；2019年实用新型专利（ZL201920814617.5）；2021年国家发明专利（ZL202110743591.1）；2023年国家发明专利（ZL202310043902.2）

Research on Axle Counter System Based on Fiber Bragg Grating Sensing Technology#br#

Wu Chunxiao^{1, 2, 3}, Zhang Lu^{1, 2}, Yang Fan⁴, Wang Sheng^{1, 2}, Zhang Tianfu^{1, 2}, Wang Dong^{1, 2}

1. CRSC Research & Design Institute Group Co., Ltd., Beijing 100070, China； 2. Engineering Research Center of Railway Industry of Intelligent and Autonomous Train Control, Beijing 100070, China； 3. Beihang University, Beijing 100191, China； 4. Taiji Computer Corporation Ltd., Beijing 100102, China

Received:2023-12-05 Revised:2024-05-11 Online:2024-08-25 Published:2024-08-25

摘要/Abstract

摘要： 主要基于光纤光栅传感技术的计轴系统，对光纤光栅传感机理和计轴原理进行介绍，以此为基础将光栅计轴系统分为传感、解调、主控3个子系统开展研究。根据车轮和钢轨的应力耦合分布确定光纤光栅传感器的安装位置和方式；从计轴应用需求出发提出对应的光纤光栅波长解调方式和解调子系统结构设计；介绍主控子系统的实现方式和功能。选取某货运车站完成光纤光栅计轴系统的多场景测试，结果表明光纤光栅计轴系统在过车、停车、倒车等复杂场景下均可实现准确计轴功能。

关键词: 计轴, 光纤光栅, 传感, 解调

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.

Key words: axle counting, Fiber Bragg Grating (FBG), sensing, demodulation

中图分类号:

U284.76

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.

Wu Chunxiao, Zhang Lu, Yang Fan, Wang Sheng, Zhang Tianfu, Wang Dong. Research on Axle Counter System Based on Fiber Bragg Grating Sensing Technology#br#[J]. Railway Signalling & Communication Engineering, 2024, 21(8): 9-14,91.

图/表 6

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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#br#

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