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Benefits of virtual sensors for air quality monitoring in humid conditions
Linköping University, Department of Physics, Chemistry and Biology, Sensor and Actuator Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Sensor and Actuator Systems. Linköping University, Faculty of Science & Engineering.
2021 (English)In: Sensors and actuators. B, Chemical, ISSN 0925-4005, E-ISSN 1873-3077, Vol. 344, article id 130294Article in journal (Refereed) Published
Abstract [en]

The gas sensing mechanisms, response, and behaviour of a real and a virtual solid-state chemical gas sensor operating either in static or in dynamic mode have been compared. The analysis was done by exposing simultaneously both sensors to different concentrations of various volatile organic compounds diluted in dry, as well as humid, synthetic air. The results revealed similar responses and behaviours for both types of measurement modes when the sensors were exposed towards single gas compounds, but a sensitivity enhancement in measurements comprising mixtures of gases when the sensors were operated in dynamic mode. The method used is able to overcome surface saturation problems and is beneficial for applications where mixtures of gases diluted in relative humidity are present.

Place, publisher, year, edition, pages
Elsevier Science SA , 2021. Vol. 344, article id 130294
Keywords [en]
Gas sensor; Virtual array; Air quality monitoring; Signal processing; Temperature cycle
National Category
Other Chemical Engineering
Identifiers
URN: urn:nbn:se:liu:diva-178270DOI: 10.1016/j.snb.2021.130294ISI: 000679290700007OAI: oai:DiVA.org:liu-178270DiVA, id: diva2:1585900
Note

Funding Agencies|EUEuropean Commission [814596]; Vinnova Innovation projectVinnova [2019-02095]

Available from: 2021-08-18 Created: 2021-08-18 Last updated: 2022-05-09

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Domènech-Gil, GuillemPuglisi, Donatella

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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Language
  • de-DE
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