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Characterisation of humidity dependence of a metal oxide semiconductor (MOS) sensor array using Partial Least Squares (PLS)

Sohn, J.H. and Atzeni, M. and Zeller, L. and Pioggia, G. (2007) Characterisation of humidity dependence of a metal oxide semiconductor (MOS) sensor array using Partial Least Squares (PLS). In: Proc. 14th International Union of Air Pollution Prevention and Environmental Protection Associations (IUAPPA) World Congress 2007, 18th Clean Air Society of Australia and New Zealand (CASANZ) Conference., September 9-13th, Brisbane, Australia.

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Organisation URL: http://www.iuappa.com/

Abstract

Metal oxide semiconductor (MOS) sensors are a class of chemical sensor that have potential for being a practical core sensor module for an electronic nose system in various environmental monitoring applications. However, the responses of these sensors may be affected by changes in humidity and this must be taken into consideration when developing calibration models. This paper characterises the humidity dependence of a sensor array which consists of 12 MOS sensors. The results were used to develop calibration models using partial least squares. Effects of humidity on the response of the sensor array and predictive ability of partial least squares are discussed. It is shown that partial least squares can provide proper calibration models to compensate for effects caused by changes in humidity.

Item Type:Conference or Workshop Item (Paper)
Corporate Creators:Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science, Crop and Food Science, Animal Science
Business groups:Agri-Science, Crop and Food Science, Animal Science
Additional Information:© IUAPPA. © CASANZ.
Keywords:Calibration; electronic nose; metal oxide semiconductor sensor; partial least squares.
Subjects:Technology > Technology (General)
Deposited On:20 Jan 2009 03:08
Last Modified:26 Oct 2011 02:29

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