Non- contact electronic nose system for gas identification based on mid-infrared spectrum technology

ZHENG Ming-jie

doi:10.13873/J.1000-9787(2014)09-0065-03

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Non- contact electronic nose system for gas identification based on mid-infrared spectrum technology

更新时间：2025-09-11

- Non- contact electronic nose system for gas identification based on mid-infrared spectrum technology
- Vol. 33, Issue 9, Pages: 65-67(2014)
- 作者机构：
  
  长春工业大学人文信息学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2014)09-0065-03
  CLC： O433
- Published：2014
- 稿件说明：
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[1]郑明杰.基于中红外光谱技术的非接触式气体识别电子鼻系统[J].传感器与微系统,2014,33(09):65-67.

ZHENG Ming-jie. Non- contact electronic nose system for gas identification based on mid-infrared spectrum technology[J]. 2014, 33(9): 65-67.
[1]郑明杰.基于中红外光谱技术的非接触式气体识别电子鼻系统[J].传感器与微系统,2014,33(09):65-67. DOI： 10.13873/J.1000-9787(2014)09-0065-03.

ZHENG Ming-jie. Non- contact electronic nose system for gas identification based on mid-infrared spectrum technology[J]. 2014, 33(9): 65-67. DOI： 10.13873/J.1000-9787(2014)09-0065-03.

摘要

为了对混合气体进行非接触式识别

基于可调谐二极管激光吸收光谱与波长调制光谱（TDLAS—WMS）技术

采用激射波长为中红外的可调谐分布反馈式量子级联激光器（DFB—QCL）

设计并研制了可对被测混合气体进行实时、非接触识别的电子鼻系统。该系统采用主成分分析（PCA）和反向传播（BP）混合神经网络模式

通过LabVIEW对气体"指纹信息"数据库进行分析。实验结果表明:该系统可以区分成分为一氧化碳（CO）、甲烷（CH4）、二氧化氮（NO2）和乙烯（C2H4）的混合气体

为混合气体非接触式识别提供了一种便利方法。

Abstract

In order to indentify mixed gas without contact

utilize tunable distributed feedback quantum cascade laser（ DFB—QCL） with emitting wavelength in mid-infrared

an electrical nose is designed and developed based on tunable diode laser absorption spectroscopy and wavelength modulation spectroscopy（ TDLAS—WMS） technology to real time indentify hybrid gases without contact. The system uses hybrid neural network

mode such as principal component analysis（ PCA） and back propagation（ BP）

gas"fingerprint"database are analyzed by LabVIEW. The experimental results show that the proposed system can distinguish hybrid gases with carbon monoxide（ CO）

methane（ CH4）

nitrogen dioxide（ NO2） and ethylene（ C2H4）

which provide a convenient method to indentify hybrid gas without contact.

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references

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