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Vol. 205, Issue 10, October 2016, pp. 10-15




Alcohol Control: Mobile Sensor System and Numerical Signal Analysis

1 Rolf SEIFERT, Hubert B. KELLER, 2 Thorsten CONRAD, Jens PETER

1 Institute of Applied Informatics (IAI), Karlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
2 3S GmbH, Mainzer Str. 148, D-66121 Saarbrücken
1 Tel.: +49-721-6082-4411, fax: +49-721-6082-5702

E-mail: rolf.seifert@kit.edu


Received: 25 July 2016 /Accepted: 30 September 2016 /Published: 31 October 2016

Digital Sensors and Sensor Sysstems


Abstract: An innovative mobile sensor system for alcohol control in the respiratory air is introduced. The gas sensor included in the sensor system is thermo-cyclically operated. Ethanol is the leading component in this context. However, other components occur in the breathing air which can influence the concentration determination of ethanol. Therefore, mono- ethanol samples and binary gas mixtures are measured by the sensor system and analyzed with a new calibration and evaluation procedure which is also incorporated in the system. The applications demonstrate a good substance identification capability of the sensor system and a very good concentration determination of the components.


Keywords: Alcohol control, Mobile sensor system, Thermo-cyclic operation, Data analysis, Substance identification, Concentration determination.


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