10.14489/td.2026.10.pp.067-075

2026, 10 October

DOI: 10.14489/td.2026.10.pp.067-075

Novikov S. P., Plugotarenko N. K.
AN INFORMATION AND MEASUREMENT SYSTEM FOR MONITORING SULFUR DIOXIDE CONCENTRATION BASED ON MODERN SILICON-CARBON SENSORS USING THERMOCYCLES
(pp. 67-75)

Abstract. The article is devoted to the development of an improved control technique for one of the key pollutants of the atmosphere ‒ sulfur dioxide SO2. The aim of the study is to increase the accuracy and efficiency of its detection through the use of a thermal cycling mode in combination with promising sensors based on silicon-carbon materials. The urgency of the work lies in the need to create affordable, accurate and fast monitoring systems that overcome the disadvantages of traditional methods (chromatography, spectroscopy) and existing gas analyzers. In the experimental part, the technique is described in detail: chemoresistive sensors operating in the temperature range of 120…140 °C are investigated, the kinetics of adsorption is analyzed, and calibration dependences are constructed on a logarithmic scale based on changes in resistance during heating. The key result is the creation of an information and measurement system that implements the proposed method. Its use makes it possible to reduce the relative error in determining the concentration of SO2 to 4…8 %, which is more than 2.5 times more accurate than its serial counterparts. Thus, the work demonstrates the practical potential of a combination of thermal cycling and silicon-carbon materials-based sensors to create effective environmental monitoring systems.

Keywords: control system, gas sensors, silicon carbon materials, thermocycles.

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S. P. Novikov (Federal State Educational Institution of Higher Education, Don State Technical University, Rostov-on-Don, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
N. K. Plugotarenko (Federal State Autonomous Educational Institution of Higher Education Southern Federal University, Taganrog, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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