Improvement of demodulation system on FBG strain sensing based on LabVIEW

SHEN Xiao-yan; LIN Yu-chi

doi:10.13873/j.1000-97872009.07.010

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Improvement of demodulation system on FBG strain sensing based on LabVIEW

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- Improvement of demodulation system on FBG strain sensing based on LabVIEW
- Vol. 28, Issue 7, Pages: 12-14+17(2009)
- 作者机构：
  
  天津大学精密测试技术及仪器国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872009.07.010
  CLC： TN763
- Published：2009
- 稿件说明：
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[1]沈小燕,林玉池.基于LabVIEW的FBG传感解调系统的改进[J].传感器与微系统,2009,28(07):12-14+17.

SHEN Xiao-yan, LIN Yu-chi. Improvement of demodulation system on FBG strain sensing based on LabVIEW[J]. 2009, 28(7): 12-14+17.
[1]沈小燕,林玉池.基于LabVIEW的FBG传感解调系统的改进[J].传感器与微系统,2009,28(07):12-14+17. DOI： 10.13873/j.1000-97872009.07.010.

SHEN Xiao-yan, LIN Yu-chi. Improvement of demodulation system on FBG strain sensing based on LabVIEW[J]. 2009, 28(7): 12-14+17. DOI： 10.13873/j.1000-97872009.07.010.

摘要

介绍了自行搭建的光纤Bragg光栅（FBG）传感解调系统

给出了整体方案和关键构件的制作

尤其是LabVIEW软件解调部分。提出了传感解调系统的改进方案

主要采用DS18B20温度传感器对温度进行补偿

以完善系统的应变传感性能。采用AT89C51实现DS18B20读写操作

上位机的工作由LabVIEW完成。采用悬臂梁结构对传感光栅进行调谐

实验结果证明:系统嵌入了温度传感器后

实现了FBG应变传感的温度补偿。方法简单易用

成本低。

Abstract

A fiber Bragg grating（FBG）modulation system is introduced

including the structure and key components

especially the procedure compiles using LabVIEW.An improvement of the system is presented for the temperature compensation of strain sensing.A MCU of AT89C51 is employed to read and write the temperature sensor DS18B20

and the communication is realized by LabVIEW.Experiment is conducted on a cantilever

which modulate the FBG strain sensor.The result shows excellent performance on the demodulation.It is a costless and easy way to compensate the temperature.

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references

基于PA85的新型压电陶瓷驱动电源 [J]. 李福良. 压电与声光 . 2005(04)

基于匹配光栅对的传感解调装置 [J]. 赵洪霞,刘盛春. 光电子技术 . 2004(02)

A Review of Recent Developments in Fiber Optic Sensor Technology [J] . Alan D. Kersey. Optical Fiber Technology . 1996 (3)

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