基于光纤光栅传感技术的高速铁路轨道状态远程监测数传系统  

Remote monitoring data transmission system based on FBG(Fiber Bragg Grating) sensing technique for supervising high speed railway track conditions

作　　者：蒋金洲[1,2] 吕国辉[3,4] 梁晨[1,2] 徐玉坡[1,2] 杜香刚[1,2] 商绍华[3,4] 

机构地区：[1]中国铁道科学研究院铁道建筑研究所,北京100081 [2]高速铁路轨道技术国家重点实验室,北京100081 [3]光纤传感技术国家地方联合工程研究中心,哈尔滨黑龙江150080 [4]黑龙江大学电子工程学院,哈尔滨黑龙江150080

出　　处：《铁道建筑》2015年第1期76-79,共4页Railway Engineering

基　　金：国家973计划项目(2012CB723806);国家高技术研究发展计划项目(2011AA11A102)

摘　　要：介绍了基于光纤光栅传感技术的高速铁路轨道状态远程监测系统的构成,详细阐述了系统的数据采集、处理和传输方法,包括数据的读取、预处理及无线网络等相关技术方法。针对大流量监测数据实时无线传输的瓶颈问题,提出光纤光栅解调系统数据处理和无线传输的方案,可对监测数据自动进行加密、校验和打包,并通过GPRS模块将监测数据推送至远端数据中心。该系统已应用于我国多处高速铁路轨道状态长期监测工点,系统运行状态良好,数据传输系统稳定可靠。The remote monitoring systemof high speed railway track based on fiber bragg grating sensing technique was introduced in this paper.Data acquisition,processing and transmission method of systemin detail,including data reading,data pretreatment and wireless transmission network were expounded.In order to solve real-time wireless transmission problemof large flowmonitoring data,data processing and wireless transmission scheme for fiber bragg grating wavelength demodulation systemwas proposed,which could automatically encrypt,check and package the monitoring data and transfer the data to remote data center through GPRS module.This systemhas been applied to a lot of long termmonitoring sites of high speed railway track,which shows good operation state and has reliable data transmission system.

关 键 词：光纤光栅传感 远程监测 无线传输 LABVIEW 

分 类 号：U213.2[交通运输工程—道路与铁道工程]