Design of laser methane detecting system based onSTM32 and FPGA

FAN Song-tao1; ZHOU Yan1; PAN Jiao-qing2; ZHANG Qiang3; CAO Yi-nan1

doi:10.13873/j.1000-97872012.10.001

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Design of laser methane detecting system based onSTM32 and FPGA

更新时间：2025-09-11

- Design of laser methane detecting system based onSTM32 and FPGA
- Vol. 31, Issue 10, Pages: 116-118(2012)
- 作者机构：
  
  1. 中国科学院半导体研究所光电系统实验室
  2. 中国科学院半导体研究所光电子研究发展中心
  3. 北京光电技术研究所
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.10.001
  CLC： TN247
- Published：2012
- 稿件说明：
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[1]范松涛,周燕,潘教青,张强,曹忆南.基于STM32和FPGA的激光甲烷检测系统设计[J].传感器与微系统,2012,31(10):116-118.

FAN Song-tao1, ZHOU Yan1, PAN Jiao-qing2, et al. Design of laser methane detecting system based onSTM32 and FPGA[J]. 2012, 31(10): 116-118.
[1]范松涛,周燕,潘教青,张强,曹忆南.基于STM32和FPGA的激光甲烷检测系统设计[J].传感器与微系统,2012,31(10):116-118. DOI： 10.13873/j.1000-97872012.10.001.

FAN Song-tao1, ZHOU Yan1, PAN Jiao-qing2, et al. Design of laser methane detecting system based onSTM32 and FPGA[J]. 2012, 31(10): 116-118. DOI： 10.13873/j.1000-97872012.10.001.

摘要

为了开发小型化的实用激光甲烷检测系统

设计了基于STM32单片机和FPGA的系统方案。FPGA实现系统中正交矢量锁相放大器和激光器调制驱动信号的产生。STM32负责半导体激光器温度控制

气体体积分数计算

通信接口等功能。设计的激光甲烷检测系统对4种标准甲烷气体进行了实际测试

在10%量程范围内示值误差不超过±0.2%。此方案可以作为激光气体检测系统的通用平台

实现对其他气体的测量。

Abstract

The system scheme based on STM32 and FPGA is designed in order to develop the miniaturization practical laser methane detecting system.The generation of the orthogonal vector lock-in amplifier and laser modulation driving signal is implemented on the FPGA chip.STM32 is responsible for the temperature control of semiconductor lasers

calculation of gas volume fraction

communication interface and other functions.Four standard methane samples are tested by the designed laser methane detecting system

indicating error is less than ±0.2% at the full scale of 10%.This scheme can be used as a common platform for the laser gas detecting system to realize measurement of other gases.

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Keywords

references

应用TDLAS探测气体的误差分析与补偿研究 [J]. 矫晓敏,尚丽平. 传感器与微系统 . 2008(03)

甲烷气体检测系统的设计 [J]. 王玉田,王聪,刘学才. 传感器与微系统 . 2007(10)

基于双相锁相放大器的微弱信号矢量测量 [J]. 蔡屹. 微计算机信息 . 2007(25)

Second-harmonic detection with tunable diode lasers — Comparison of experiment and theory [J] . J. Reid,D. Labrie. Applied Physics B Photophysics and Laser Chemistry . 1981 (3)

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