光纖光柵論文：光纖光柵位移傳感系統(tǒng)開發(fā)及在海底隧道安全監(jiān)測(cè)中的應(yīng)用研究

1、光纖光柵論文：光纖光柵位移傳感系統(tǒng)開發(fā)及在海底隧道安全監(jiān)測(cè)中的應(yīng)用研究【中文摘要】海底隧道不占地,不妨礙航行,不影響生態(tài)環(huán)境,不受天氣和氣候變化影響,是一種非常安全的全天候的海峽通道。但是它在給人類帶來了巨大便利和財(cái)富的同時(shí),也存在一定的風(fēng)險(xiǎn),很可能會(huì)造成巨大的經(jīng)濟(jì)損失,甚至是災(zāi)難性的后果,因此海底隧道的安全監(jiān)測(cè)至關(guān)重要。為了實(shí)現(xiàn)對(duì)海底隧道的安全監(jiān)測(cè),本課題研制出一種新型的光纖光柵位移傳感器,通過海底隧道模型試驗(yàn),驗(yàn)證其性能.。論文首先介紹了光纖光柵的,位移傳感器的應(yīng)用現(xiàn)狀。基于光纖光柵傳感技術(shù)提出了一種利用光纖光柵位移傳感對(duì)海底隧道進(jìn)行安全監(jiān)測(cè)的方案。該方案采用光纖光柵作為傳感元件,利用波分

2、復(fù)用技術(shù)實(shí)現(xiàn)對(duì)海底隧道圍巖變化的實(shí)時(shí)在線監(jiān)測(cè)。經(jīng)過各方面的準(zhǔn)備以及對(duì)海底隧道工程的研究,根據(jù)工程的要求,設(shè)計(jì)了相應(yīng)的硬件系統(tǒng)。主要包括：光纖光柵位移傳感器設(shè)計(jì)、傳感器在隧道模型試驗(yàn)中的埋設(shè)以及解調(diào)系統(tǒng)的安裝。本文介紹了海底隧道模型的制作過程,海底隧道的挖掘過程,以及整個(gè)過程中,光纖光柵位移傳感器的信號(hào)監(jiān)測(cè)。本系統(tǒng)的軟件主要論述了海底隧道中光纖光柵位移傳感網(wǎng)絡(luò)的實(shí)現(xiàn),介紹了實(shí)時(shí)曲線監(jiān)測(cè)、數(shù)據(jù)存儲(chǔ)以及歷史數(shù)據(jù)查詢。該系統(tǒng)現(xiàn)場(chǎng)進(jìn)行了長(zhǎng)期運(yùn)行,結(jié)果表明系統(tǒng)運(yùn)行穩(wěn)定可靠,效果良好?！居⑽恼縏he undersea tunnel is a very safe all-weather strait tu

3、nnel, which doesnt occupy space and doesnt hinder the voyage and doesnt influence the ecological environment. However, it not only brings great convenience and wealth to people, but also has some risks, for example, it is likely to cause great economic losses, even catastrophic consequences. Therefo

4、re, the health monitoring of undersea tunnel is very important. In order to achieve the safe monitoring of undersea tunnel, the subject has developed a new type of fiber bragg grating displacement sensor, which was tested through the undersea tunnel model to verify its performance.The paper firstly

5、introduces the background of fiber bragg grating, the application of displacement sensor, then presents a scheme about safety monitoring for the undersea tunnel using fiber bragg grating displacement sensing based on fiber bragg grating sensing technology. The scheme adopts the fiber bragg grating a

6、s sensing component and WDM technology to realize the on-line monitoring for changes of surrounding rock in underseal tunnel.After all aspects of preparation and the research of undersea tunnel project, according to the requirement of the project, this paper has designed the corresponding hardware s

7、ystem which mainly includes design of fiber bragg grating displacement sensors, embedding of sensors in the tunnel model test and installation of demodulation system.This paper introduces the production process of the undersea tunnel model, excavation process of undersea tunnel, and signal monitorin

8、g for fiber bragg grating displacement sensors in the entire process.The software of this system mainly discusses the realization of fiber bragg grating displacement sensing network in undersea tunnel and introduces the real-time curve monitoring, data storage and query of historical data. The syste

9、m has carried on long-term operational in the field and the results show that the system is stable and reliable, good effect.【關(guān)鍵詞】光纖光柵 位移傳感器 海底隧道 安全監(jiān)測(cè)【英文關(guān)鍵詞】Fiber Bragg Grating Displacement Sensors Channel Tunnel Safety Monitoring【目錄】光纖光柵位移傳感系統(tǒng)開發(fā)及在海底隧道安全監(jiān)測(cè)中的應(yīng)用研究摘要10-11ABSTRACT11第一章 緒論13-211.1 光纖光柵簡(jiǎn)介

10、131.2 光纖光柵技術(shù)的發(fā)展與研究現(xiàn)狀13-161.2.1 光纖光柵技術(shù)的發(fā)展歷史13-151.2.2 光纖光柵技術(shù)的研究現(xiàn)狀15-161.3 本論文的研究背景和主要內(nèi)容16-211.3.1 位移測(cè)量技術(shù)的發(fā)展16-171.3.2 位移傳感器的分類17-191.3.3 本論文的研究背景19-201.3.4 本論文的主要內(nèi)容20-21第二章 光纖光柵傳感原理與波長(zhǎng)解調(diào)技術(shù)21-382.1 光纖光柵的分類21-232.1.1 按光纖光柵的周期分類212.1.2 按光纖光柵的波導(dǎo)結(jié)構(gòu)分類21-222.1.3 按光纖光柵的形成機(jī)理分類222.1.4 按光纖光柵的材料分類22-232.2 光纖光柵的應(yīng)

11、用概況23-262.2.1 光纖光柵在光纖通信領(lǐng)域中的主要應(yīng)用232.2.2 光纖光柵在傳感領(lǐng)域中的應(yīng)用23-262.3 光纖光柵傳感原理概述26-292.3.1 光纖光柵傳感器簡(jiǎn)介26-272.3.2 光纖布拉格光柵傳感的基本原理27-292.4 光纖布拉格光柵波長(zhǎng)解調(diào)技術(shù)29-342.4.1 光譜分析儀檢測(cè)法302.4.2 非平衡Mach-Zehnder干涉儀法30-312.4.3 匹配光柵解調(diào)法31-322.4.4 邊緣濾波器法32-332.4.5 波長(zhǎng)可調(diào)諧光源解調(diào)法33-342.5 本課題光纖光柵傳感解調(diào)法34-362.5.1 工程化光纖光柵傳感解調(diào)的要求342.5.2 sm125光

12、纖光柵解調(diào)儀34-362.6 本章小結(jié)36-38第三章 基于光纖光柵的位移傳感器設(shè)計(jì)38-633.1 引言383.2 光纖光柵位移傳感基本原理38-403.3 光纖光柵位移傳感器的設(shè)計(jì)開發(fā)40-443.3.1 光纖光柵位移傳感器的設(shè)計(jì)開發(fā)原則40-433.3.2 光纖光柵位移傳感器的設(shè)計(jì)開發(fā)要求43-443.4 光纖光柵位移傳感器的制作44-493.4.1 光纖光柵位移傳感器制作流程44-473.4.2 多點(diǎn)光纖光柵位移傳感器的制作47-493.5 光纖光柵位移傳感器實(shí)驗(yàn)性能分析49-593.5.1 光纖光柵位移傳感器的標(biāo)定實(shí)驗(yàn)49-513.5.2 光纖光柵位移傳感器性能分析51-553.5.3 多點(diǎn)位移傳感器的標(biāo)定實(shí)驗(yàn)及數(shù)據(jù)分析55-583.5.4 標(biāo)定實(shí)驗(yàn)中出現(xiàn)的問題及解決方法58-593.6 溫度補(bǔ)償59-623.7 本章小結(jié)62-63第四章 海底隧道模型試驗(yàn)傳感網(wǎng)絡(luò)監(jiān)測(cè)軟件系統(tǒng)設(shè)計(jì)63-704.1 數(shù)據(jù)采集系統(tǒng)63-644.2 光纖光柵監(jiān)測(cè)系統(tǒng)軟件64-694.2.1 數(shù)據(jù)庫(kù)配置66-674.2.2 數(shù)據(jù)曲線顯示67-684.2.3 數(shù)據(jù)存儲(chǔ)68-694.2.4 實(shí)時(shí)報(bào)警694.3 本章小結(jié)69-70第五章 光纖光柵位移傳感器在海底隧道模型試驗(yàn)中的應(yīng)用70-82