EFFICIENCY OF GAS MIXTURES DETECTION BY RESISTIVE GAS SENSORS

Janusz Smulko; Mateusz Kotarski

EFFICIENCY OF GAS MIXTURES DETECTION BY RESISTIVE GAS SENSORS

Abstrakt

Resistive gas sensors are very popular and are commonly used to detect various gases and their mixtures. Their main disadvantage is very limited selectivity. Practical use of gas sensors in environmental applications (e.g., in sewage systems to protect workers, in air conditioning systems to monitor atmosphere quality) requires determination of concentration of a few mixed gases at the same time. We would like to present recent results of gas detection improvement by utilizing a single gas sensor and additional measurements to get more information about the sensor ambient atmosphere. The measurements utilize fluctuations enhanced sensing and temperature modulation to gather more data and therefore assure better selectivity. Various algorithms will be considered to detect gas mixtures. The considered methods can be applied in cheap portable systems or in more advanced devices due to more complex computations. Finally, the new method of gas sensors parameters modulations by UV irradiation will be mentioned as well.

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Kategoria:: Aktywność konferencyjna
Typ:: publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Tytuł wydania:: W : IMAPS CS International conference 2014 : Electronic Devices and Systems : EDS 14 strony 8 - 14
Język:: angielski
Rok wydania:: 2014
Opis bibliograficzny:: Smulko J., Kotarski M.: EFFICIENCY OF GAS MIXTURES DETECTION BY RESISTIVE GAS SENSORS// W : IMAPS CS International conference 2014 : Electronic Devices and Systems : EDS 14/ ed. Ondrej Hegr Brno, Czech Republic: Vysoke uceni technicke v Brne, 2014, s.8-14
Weryfikacja:: Politechnika Gdańska