A Portable Data Acquisition System for Online Wavelength Modulation Spectroscopy

被引：0

作者：

Xia, Yikai ^{[1
]}

Xia, Jiangnan ^{[1
]}

Xiao, Di ^{[1
]}

Chen, Yuan ^{[1
]}

Enemali, Godwin ^{[2
]}

Liu, Chang ^{[1
]}

机构：

[1] Univ Edinburgh, Sch Engn, Edinburgh, Midlothian, Scotland

[2] Glasgow Caledonian Univ, Dept Elect & Elect Engn, Glasgow, Lanark, Scotland

来源：

2024 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, I2MTC 2024 | 2024年

关键词：

Data Acquisition (DAQ) system; Raspberry Pi; Field Programmable Gate Arrays (FPGA); Wavelength Modulation Spectroscopy (WMS); ABSORPTION-SPECTROSCOPY; TEMPERATURE; COMBUSTION;

D O I：

10.1109/I2MTC60896.2024.10560592

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Temperature and gas concentration are crucial parameters to be monitored in the combustion processes. As a non-intrusive laser measurement method, Wavelength Modulation Spectroscopy (WMS) has the advantages of high sensitivity, noise resistance, and fast response. To be cost-effective and flexible, it is highly demanded for an integrated, portable, and robust Data Acquisition (DAQ) system that runs without a high-level CPU. This paper aims to design a portable DAQ system using WMS for monitoring the gas parameters. The developed system consists of two main components with Ethernet communication between them: a Field Programmable Gate Arrays (FPGA)-based DAQ hub that digitizes, decomposes, and down-samples the measurement signal, and a Raspberry Pi that stores the data and enables online gas parameters monitoring using a data-driven neural network. The system is validated through a lab-scale combustion experiment, indicating its accuracy and efficiency.

引用

页数：6

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