An electronic nose based on solid state sensor arrays for low-cost indoor air quality monitoring applications (Articolo in rivista)

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Label
  • An electronic nose based on solid state sensor arrays for low-cost indoor air quality monitoring applications (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.snb.2004.02.024 (literal)
Alternative label
  • Zampolli S; Elmi I; Ahmed F; Passini M; Cardinali GC; Nicoletti S; Dori L (2004)
    An electronic nose based on solid state sensor arrays for low-cost indoor air quality monitoring applications
    in Sensors and actuators. B, Chemical (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zampolli S; Elmi I; Ahmed F; Passini M; Cardinali GC; Nicoletti S; Dori L (literal)
Pagina inizio
  • 39 (literal)
Pagina fine
  • 46 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • This work was rated #10 in the top25 \"Hottest Articles\" list of Sensors & Actuators B: Chemical in the period July-September 2004 (see attachment .jpg) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, IMM Sezione Bologna, I-40129 Bologna, Italy Ahmed F. on leave from Department of Physics, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh. (literal)
Titolo
  • An electronic nose based on solid state sensor arrays for low-cost indoor air quality monitoring applications (literal)
Abstract
  • The occurrence of illnesses related with poor ventilation has driven an increasing attention towards indoor air quality monitoring. In buildings equipped with climate control systems, the diseases related to the air quality can be significantly reduced if smart intervening procedures, aiming to control the concentration of pollutants in the indoor air, can be implemented in the heating, ventilation air conditioning unit. When reliable information about both the indoor and outdoor air quality is made available, the climate control system can provide the most appropriate amount of ventilation, ensuring safe and comfortable living conditions. In this paper, a dedicated, miniaturized, low-cost electronic nose based on state-of-the-art metal oxide sensors and signal processing techniques was developed. The proposed device is targeted to the quantification of carbon monoxide and nitrogen dioxide in mixtures with relative humidity and volatile organic compounds by using an optimized gas sensor array and highly effective pattern recognition techniques. The electronic nose was tested in an environment reproducing real operating conditions. Exploiting the unique response patterns of the different sensors in the array and the capability of a simple fuzzy-logic system it was possible to identify and discriminate concentrations as low as 20 ppb for NO2 and 5 ppm for CO in the test gas environment, allowing to reach the necessary sensitivity towards the target pollutants together with the selectivity towards the typical interfering gas species. (literal)
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