Reference : Identification of several environmental odours with tin oxide sensor array : three years...
Scientific congresses and symposiums : Poster
Life sciences : Environmental sciences & ecology
http://hdl.handle.net/2268/24539
Identification of several environmental odours with tin oxide sensor array : three years later
English
Romain, Anne-Claude mailto [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Surveillance de l'environnement > > >]
Nicolas, Jacques mailto [Université de Liège - ULg > Département des sciences et gestion de l'environnement > Surveillance de l'environnement >]
Maternova, J. [> > > >]
2001
Yes
International
Third NOSE course
28th may-2nd june
university of Lecce
S Cesarea Terme
Italy
[en] electronic nose ; odour ; gas sensor
[en] The paper discusses the ability of recognition models to classify malodours in the environment three years after their calibration, with the same sources releasing odours. Two methodologies applicable either in the lab or in the field are used. The effect of the long term drift of the sensors is highlighted on the results of principal component analysis and of discriminant function analysis.
The paper examines also the applicability of some drift counteraction methods proposed in the literature. Handled with some care, a correction based on the drift direction in the principal components subspace should be applicable to the classification of real odorous sources in the field.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/24539

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