On-line Magazine 'Sensors & Transducers' (S&T e-Digest)
(ISSN 1726- 5479)
Vol. 43, Issue 5, May 2004, pp. 240-247
Determination of Nitromethane in the Air with the use of a Piezoelectric
Sensors Set and Pattern Recognition Technique
Andrew KALACH and Nikolay KLOCHKOV
Physical department, Institute of Ministry of Internal Affairs, Voronezh, Russia
Received: 10 May 2004 /Accepted: 17 May 2004 / Published: 21 May 2004
Abstract: To increase selectivity and sensitivity of determination of nitromethane in the air a set of piezoelectric gas sensors is proposed. In order to increase the differences between the signals sensor responses have been preliminary processed in accordance with the known algorithms. To determine nitrometane in the air an artificial neural network is applied and its parameters have been investigated.
Keywords: piezosensors, nitromethane, pattern recognition, artificial neural network
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