Application of difference method in FBG temperature measurement system

LIU Yun; XU Zi-qi; WANG Bo; LIU Zhi-chao

doi:10.13873/J.1000-9787(2016)11-0151-03

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Application of difference method in FBG temperature measurement system

更新时间：2025-09-11

- Application of difference method in FBG temperature measurement system
- Vol. 35, Issue 11, Pages: 151-153(2016)
- 作者机构：
  
  1. 长春理工大学光电信息学院光电工程分院
  2. 长春禹衡光学有限公司
  3. 长春理工大学光电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)11-0151-03
  CLC： TP274
- Published：2016
- 稿件说明：
移动端阅览
[1]刘赟,徐子奇,王波,刘智超.差分法在FBG测温系统中的应用[J].传感器与微系统,2016,35(11):151-153.

LIU Yun, XU Zi-qi, WANG Bo, et al. Application of difference method in FBG temperature measurement system[J]. 2016, 35(11): 151-153.
[1]刘赟,徐子奇,王波,刘智超.差分法在FBG测温系统中的应用[J].传感器与微系统,2016,35(11):151-153. DOI： 10.13873/J.1000-9787(2016)11-0151-03.

LIU Yun, XU Zi-qi, WANG Bo, et al. Application of difference method in FBG temperature measurement system[J]. 2016, 35(11): 151-153. DOI： 10.13873/J.1000-9787(2016)11-0151-03.

摘要

为了提高系统的稳定性和抗干扰能力

将差分法应用于光纤Bragg光栅（FBG）测温系统中。给出了相应的理论计算

列出了差分补偿算法的步骤。实验针对25.0

5.0℃的温度测试范围进行检测

结果显示

回波信号对应的中心波长与温差的变化关系基本符合:每1.0℃得到0.04 nm的偏移。采用差分型测温系统的系统误差低于0.5%

比单FBG的精度高4倍左右。具有更好的稳定性与抗干扰能力。

Abstract

In order to improve stability and anti-jamming capability of system

differential method is applied to FBG temperature measurement system. The corresponding theoretical calculation is given

list steps of differential compensation algorithm. Experimental test temperature range 25. 0

75. 0 ℃

the results show that the relationship between changes in echo signal corresponding to temperature difference between center wavelength of the fundamental accord that each 1. 0 ℃ get 0. 04 nm shift. System error of differential temperature measurement system type is less than 0. 5 %

precision is about 4 times higher than single FBG. Thus

temperature measurement system based on differential has better stability and anti-jamming capability.

关键词

Keywords

references

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FBG测温系统的光谱校正算法的研究 [J]. 刘智超,杨进华,王高. 光谱学与光谱分析 . 2014(07)

光纤光栅温度应变同时测量传感技术研究进展 [J]. 陈曦,姚建铨,陈慧. 传感器与微系统 . 2013(09)

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计算机粮仓温度检测的研究 [J]. 黄莉萍,齐森,黄选章,倪荣富,刘丹,李洪升. 粮食加工 . 2008(01)

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