@inproceedings{197095b342834255870e41eaff9b8f9a,
title = "Analysis of infrared radiator of NDIR based on electro-thermal modelling",
abstract = "The A new Electro-Thermal Modelling is built for the infrared light source of non-dispersive infrared sensing technique for CO2 measurement. To verify the effectiveness of our proposed NDIR electro-thermal modelling, a NDIR CO2 measuring system is built and installed inside a gas chamber for CO2. The measuring module includes a light source at one end of an optical tube with 4 cm long and the infrared sensor connected to the other end of the optical tube; respectively. A period heating of infrared light source is applied to give infrared radiation in gas analyzer which operates based on the non-dispersive infrared sensing. For the conventional technique of constant periodic heating of infrared light source, an CO2 infrared sensor with a specific wavelength filter is used to give a signal corresponding to the infrared radiation. The thermal properties of light source with alternating modulation has been studied and verified based on the proposed electro-thermal modelling and compared to the measurement of the output signal of infrared sensor for different modulation frequencies and gas concentrations. A practical model for the description of relationship between gas concentration is realized and thermal parameters of light source are extracted. The measurement results show a great agreement with the simulation for behavior of signal. It also gives a new approach to build a theoretical model for all the NDIR measuring techniques.",
author = "Shen, {Chih Hsiung} and Wu, {Jung Jie}",
year = "2018",
month = jun,
day = "22",
doi = "10.1109/ICASI.2018.8394498",
language = "English",
series = "Proceedings of 4th IEEE International Conference on Applied System Innovation 2018, ICASI 2018",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1184--1187",
editor = "Lam, {Artde Donald Kin-Tak} and Prior, {Stephen D.} and Teen-Hang Meen",
booktitle = "Proceedings of 4th IEEE International Conference on Applied System Innovation 2018, ICASI 2018",
address = "United States",
note = "4th IEEE International Conference on Applied System Innovation, ICASI 2018 ; Conference date: 13-04-2018 Through 17-04-2018",
}