Sohn, Jae Ho and Atzeni, Michael and Zeller, Les and Pioggia, Giovanni (2008) Characterisation of humidity dependence of a metal oxide semiconductor sensor array using partial least squares. Sensors and Actuators B: Chemical, 131 (1). pp. 230-235. ISSN 0925-4005
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Identification Number or DOI: doi: 10.1016/j.snb.2007.11.009
[Abstract]: Metal oxide semiconductor (MOS) sensors are a class of chemical sensors 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 (PLS). 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:||Article (Commonwealth Reporting Category C)|
|Additional Information:||Author version not held.|
|Uncontrolled Keywords:||partial least squares; metal oxide semiconductor sensor; calibration; electronic nose|
|Fields of Research (FOR2008):||07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070107 Farming Systems Research|
09 Engineering > 0907 Environmental Engineering > 090703 Environmental Technologies
10 Technology > 1001 Agricultural Biotechnology > 100101 Agricultural Biotechnology Diagnostics (incl. Biosensors)
|Socio-Economic Objective (SEO2008):||UNSPECIFIED|
|Deposited On:||06 Jul 2010 10:37|
|Last Modified:||16 Apr 2013 10:17|
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