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University of Zilina, Slovakia

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University of Zilina, Slovakia

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National Taiwan University of Science and Technology, Taiwan, Province of China

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University College Dublin, Ireland

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VSB - Technical University of Ostrava, Czech Republic

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Brno University of Technology, Czech Republic

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Brno University of Technology, Czech Republic

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University of Zilina, Slovakia

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Brno University of Technology, Czech Republic

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University of Zilina, Slovakia

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Ankara University, Turkey

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VSB - Technical University of Ostrava, Czech Republic

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Academy of Sciences of the Czech Republic, Czech Republic

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Slovak University of Technology, Slovakia

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University of Defence, Czech Republic

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Brno University of Technology, Czech Republic

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Technical University of Radom, Poland

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Technical University of Kosice, Slovakia

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VSB - Technical University of Ostrava, Czech Republic

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University of Rome "La Sapienza", Italy

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University of Economics in Katowice, Katowice, Poland

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Honeywell International, Czech Republic

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Brno University of Technology, Czech Republic

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Sutcu Imam University, Turkey

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Slovak University of Technology, Slovakia

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VSB - Technical University of Ostrava, Czech Republic

Wasiu Oyewole Popoola
The University of Edinburgh, United Kingdom

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Tomas Bata University in Zlin, Czech Republic

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University of Zilina, Slovakia

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University of Defence, Czech Republic

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Technical University of Cluj Napoca, Romania

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National Research University "MPEI", Russian Federation

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Guanajuato University, Mexico

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University of Pardubice, Czech Republic

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University of West Bohemia in Plzen, Czech Republic

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Technical University of Cluj Napoca, Romania

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Warsaw University of Technology, Poland

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Isfahan University of Technology, Iran, Islamic Republic Of

Pavel Vaclavek
Brno University of Technology, Czech Republic

Martin Vaculik
University of Zilina, Slovakia

Viktor Valouch
Academy of Sciences of the Czech Republic, Czech Republic

Vladimir Vasinek
VSB - Technical University of Ostrava, Czech Republic

Jiri Vodrazka
Czech Technical University in Prague, Czech Republic

Miroslav Voznak
VSB - Technical University of Ostrava, Czech Republic

Otakar Wilfert
Brno University of Technology, Czech Republic

Jan Zidek
VSB - Technical University of Ostrava, Czech Republic


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Development and Investigation of Mathematical Model of an Optoelectronic Sensor of Methane Concentration

Oleksandr Volodymyrovych Vovna, Ivan Serhiiovych Laktionov, Anatolii Anatoliiovych Zori, Ramin Nizamiiovych Akhmedov

DOI: 10.15598/aeee.v16i3.2847


Abstract

A mathematical model of a methane concentration sensor has been developed and studied, which takes into account the use of materials with different optical properties in the channel, spectral and spatial adjustment of the sensor components, losses at modulation and signal processing, as well as scattering and absorption of the optical emission flux in the channel. Taking into account results of modelling and experimental studies of the prototype sensor, confirming the adequacy of the proposed model, types of optoelectronic sensor components, as well as its design parameters with allowable deviations in manufacturing, have been substantiated and selected. The emission losses in the optical channel have been minimized when the informative parameter is maximized, which is absorption of optical emission by the measured methane concentration, by providing the length of the sensor measuring channel not more than 30 mm and the use of light and photodiodes with covering of their sensitive elements with chalcogenide glass. It has been established that the main measurement error of methane concentration with the application of these recommendations is not more than 0.04 vol.% with the regulated value of 0.20 vol.% in the range from 0 to 5 vol.%.

Keywords


Chalcogenide glass; concentration; measurement error; methane; optical path length; optoelectronic sensor.

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