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|Title:||Mobile electronic nose based on carbon nanotube-SnO2 gas sensors: Feature extraction techniques and its application|
|Keywords:||Classification performance;Feature extraction techniques;Gas sensors;Mobile electronics;Real-world application|
|Citation:||Kerdcharoen T, Adisorn T, Anurat W, Chatchawal W. Mobile electronic nose based on carbon nanotube-SnO2 gas sensors: Feature extraction techniques and its application. 6th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology; 2009 May 6-9; Pattaya, Chonburi, Thailand. IEEE; 2009. p. 474-7.|
|Abstract:||In this paper, a mobile electronic nose (E-nose) based on novel hybrid carbon nanotube-SnO2 gas sensors is described. The instrument combines new feature extraction techniques including integral and primary derivative, which leads to higher classification performance comparing with the classical features (Δ R and Δ R/R0). The results show that doping of carbon nanotube (CNT) improves the sensitivity of hybrid gas sensors while quantity of CNT has a direct effect on selectivity to volatile organic compounds, i.e. MeOH and EtOH. The realworld applications of this E-nose were also presented. Based on the proposed methods, this instrument can monitor and classify 1% vol. of MeOH contamination in whiskey.|
|Appears in Collections:||Physics: International Proceedings|
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