Research on differential pressure FBG sensor static hydraulic properties

Cai Ke; Liu Chuntong; Li Hongcai; He Zhenxin

doi:10.13756/j.gtxyj.2013.01.003

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Research on differential pressure FBG sensor static hydraulic properties

- Research on differential pressure FBG sensor static hydraulic properties
- Study on Optical communication Issue 1, Pages: 39-41(2013)
- 作者机构：
  
  第二炮兵工程大学国家重点学科实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2013.01.003
  CLC： TN253;TP212
- Published：2013，
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[1]蔡可,刘春桐,李洪才,何祯鑫.压差式FBG传感器静态压力特性实验研究[J].光通信研究,2013(01):39-41.

Cai Ke, Liu Chuntong, Li Hongcai, et al. Research on differential pressure FBG sensor static hydraulic properties. [J]. (1):39-41(2013)
[1]蔡可,刘春桐,李洪才,何祯鑫.压差式FBG传感器静态压力特性实验研究[J].光通信研究,2013(01):39-41. DOI： 10.13756/j.gtxyj.2013.01.003.

Cai Ke, Liu Chuntong, Li Hongcai, et al. Research on differential pressure FBG sensor static hydraulic properties. [J]. (1):39-41(2013) DOI： 10.13756/j.gtxyj.2013.01.003.

摘要

在分析压差式FBG（光纤布拉格光栅）传感原理的基础上

采用液压校验仪和Q8384光谱仪对其静态压力传感特性进行了实验研究

并对实验结果进行了误差分析。实验结果表明

在0～0.35MPa的压力范围内

FBG的灵敏系数为3pm/kPa

布拉格波长随着压差的变化呈现出良好的线性关系和重复性

且迟滞现象较小

可以用于液压系统的流量测量。

Abstract

On the basis of analyzing the sensing principle of differential pressure Fiber Bragg Grating（FBG） sensors

its static differential pressure sensing properties are investigated by using a hydraulic tester and a Q8384 spectrometer and the errors of the experimental results analyzed.The results indicate that the FBG sensibility coefficient is 3 pm/kPa in the pressure range of 0-0.35 MPa and the FBG wavelength varies linearly with the differential pressure with little hysteresis effect

proving that this sensor can be used in hydraulic systems for flow measurement.

关键词

光纤布拉格光栅压差式传感器传感特性误差分析

Keywords

FBGdifferential pressure sensorsensing propertieserror analysis

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Related Institution

School of Ocean Technology Sciences, Qilu University of Technology (Shandong Academy of Sciences)

Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences)

Beijing Laboratory of Optical Fiber Sensing and Systems, Beijing Information Science and Technology University

Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University

School of Control Engineering,Northeastern University at Qinhuangdao

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