Design and implement of air quality monitoring system with two-stage IIR filter

Ruoyu Wang

doi:10.1117/12.2682529

20 June 2023 Design and implement of air quality monitoring system with two-stage IIR filter

Ruoyu Wang

Proceedings Volume 12715, Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023); 127152M (2023) https://doi.org/10.1117/12.2682529
Event: Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023), 2023, Dalian, China

Abstract

Increasing attention has been paid to air quality monitoring with the development of the industry, and indoor air quality (IAQ) may increase the concentration of harmful substances like carbon monoxide (CO), nitrogen dioxide (NO₂) in the air, which could increase the possibility of the respiratory and cardiovascular diseases. In this paper, the portable and cost-effective monitoring device is designed to detect the concentration of the harmful gas. With this device, the realtime concentration curve is plotted, and the two-stage IIR filter is designed to decrease the potential interference. The results show that the SNR is higher than that without filer in five different gas and meanwhile concentration curve has less burr and is clearer.

Citation Download Citation

Ruoyu Wang "Design and implement of air quality monitoring system with two-stage IIR filter", Proc. SPIE 12715, Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023), 127152M (20 June 2023); https://doi.org/10.1117/12.2682529

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