Metal oxide gas sensors (MOX) are widely used in olfactory systems for their high sensitivity and low-cost. These sensors vary their conductivity in presence of oxidizing and reducing gases and their performance is strictly dependant on the measurement technique adopted. In this paper the authors present results concerning the selectivity enhancement of an electronic nose based on MOX sensors, proposing also a gray-box model to describe the sensor response in presence of oxygen and CO during sensor temperature modulation.
Fort, A., Rocchi, S., Serrano Santos, M.B., Spinicci, R., Ulivieri, N., Vignoli, V. (2004). Electronic noses based on metal oxide gas sensors: the problem of selectivity enhancement. In Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference (IMTC 2004) (pp.599-604). New York : IEEE [10.1109/IMTC.2004.1351121].
Electronic noses based on metal oxide gas sensors: the problem of selectivity enhancement
Fort, Ada;Rocchi, S.;Vignoli, Valerio
2004-01-01
Abstract
Metal oxide gas sensors (MOX) are widely used in olfactory systems for their high sensitivity and low-cost. These sensors vary their conductivity in presence of oxidizing and reducing gases and their performance is strictly dependant on the measurement technique adopted. In this paper the authors present results concerning the selectivity enhancement of an electronic nose based on MOX sensors, proposing also a gray-box model to describe the sensor response in presence of oxygen and CO during sensor temperature modulation.
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https://hdl.handle.net/11365/34397
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