Articles | Volume 3, issue 2
https://doi.org/10.5194/jsss-3-253-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/jsss-3-253-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Selective detection of hazardous VOCs for indoor air quality applications using a virtual gas sensor array
M. Leidinger
Saarland University, Lab for Measurement Technology, Saarbrücken, Germany
T. Sauerwald
Saarland University, Lab for Measurement Technology, Saarbrücken, Germany
W. Reimringer
3S GmbH, Saarbrücken, Germany
G. Ventura
IDMEC – Institute of Mechanical Engineering, Porto, Portugal
A. Schütze
Saarland University, Lab for Measurement Technology, Saarbrücken, Germany
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Latest update: 21 Nov 2024
Short summary
An approach for detecting hazardous volatile organic compounds (VOCs) in ppb and sub-ppb concentrations is presented. Using metal oxide semiconductor (MOS) gas sensors in temperature cycled operation, VOCs in trace concentrations are successfully identified against a varying ethanol background of up to 2 ppm. For signal processing, linear discriminant analysis is applied to single sensor data and sensor fusion data. Integrated gas sensor systems using the same MOS sensors were characterized.
An approach for detecting hazardous volatile organic compounds (VOCs) in ppb and sub-ppb...