Estimation of the parameters of SAW sensor's frequency shift: Application to odour recognition and concentration evaluation

O. Hotel J.-P. Poli 1 C. Mer-Calfati E. Scorsone S. Saada
1 LADIS - Laboratoire d'analyse des données et d'intelligence des systèmes
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
Abstract : In this paper, an approach to determine the time constants and the amplitudes of the mass loading effect and of the viscoelastic contribution of SAW sensor's frequency shift is proposed. This approach consists in optimizing a function of these parameters which is independent of the concentration profile. Then, we show that these values are suitable features for chemical compounds identification and concentration evaluation.
Keywords : SAW sensor frequency shift Electronic nose SAW sensors Gas detectors Sensor arrays Chemical sensors Surface acoustic waves odour recognition concentration evaluation Frequency estimation Chemical compounds Concentration profiles Frequency shift Mass loading effects time constant determination viscoelasticity time measurement Sensor systems frequency measurement chemical variables measurement parameter estimation viscoelastic contribution chemical compound identification mass loading effect
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Conference papers
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https://hal-cea.archives-ouvertes.fr/cea-01809223
Contributor : Léna Le Roy <>
Submitted on : Wednesday, June 6, 2018 - 3:07:30 PM
Last modification on : Wednesday, September 4, 2019 - 1:40:15 PM

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O. Hotel, J.-P. Poli, C. Mer-Calfati, E. Scorsone, S. Saada. Estimation of the parameters of SAW sensor's frequency shift: Application to odour recognition and concentration evaluation. 2017 ISOCS/IEEE International Symposium on Olfaction and Electronic Nose (ISOEN), May 2017, Montréal, Canada. pp.7968913, ⟨10.1109/ISOEN.2017.7968913⟩. ⟨cea-01809223⟩

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