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Quantitative gas detection with semiconductor micro-sensors and chemometrics

Abstract : The use of the chemometric techniques to exploit the selectivity of gas sensors, although current in the case of multisensors systems, is tested here with only one gas sensor. The method consists in measuring the electric conductance of the sensitive element, a tin dioxide bar, at various temperatures. Although these gas sensors follow non linear laws, the modelization algorithm Partial Least Square (PLS) is preffered to neurak networks. A comparison of the two algorithms is made, as well as a study of the prediction. Lastly, theconcept is tested on an autonomous prototype in real conditions.
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https://hal-emse.ccsd.cnrs.fr/emse-00438059
Contributor : Andrée-Aimée Toucas <>
Submitted on : Wednesday, December 2, 2009 - 10:03:47 AM
Last modification on : Wednesday, June 24, 2020 - 4:18:31 PM

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  • HAL Id : emse-00438059, version 1

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Philippe Breuil, Nicolas Perdreau, Christophe Pijolat. Quantitative gas detection with semiconductor micro-sensors and chemometrics. Analusis, EDP Sciences, 2000, 28 (7), pp.633-636. ⟨emse-00438059⟩

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