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Modular analytical multicomponent analysis in gas sensor arrays

  • A multi-sensor system is a chemical sensor system which quantitatively and qualitatively records gases with a combination of cross-sensitive gas sensor arrays and pattern recognition software. This paper addresses the issue of data analysis for identification of gases in a gas sensor array. We introduce a software tool for gas sensor array configuration and simulation. It concerns thereby about a modular software package for the acquisition of data of different sensors. A signal evaluation algorithm referred to as matrix method was used specifically for the software tool. This matrix method computes the gas concentrations from the signals of a sensor array. The software tool was used for the simulation of an array of five sensors to determine gas concentration of CH4, NH3, H2, CO and C2H5OH. The results of the present simulated sensor array indicate that the software tool is capable of the following: (a) identify a gas independently of its concentration; (b) estimate the concentration of the gas, even if the system was not previously exposed to this concentration; (c) tell when a gas concentration exceeds a certain value. A gas sensor data base was build for the configuration of the software. With the data base one can create, generate and manage scenarios and source files for the simulation. With the gas sensor data base and the simulation software an on-line Web-based version was developed, with which the user can configure and simulate sensor arrays on-line.

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Metadaten
Author:Ali Chaiyboun, Rüdiger Traute, Olaf Kiesewetter, Simon Ahlers, Gerhard Müller, Theodor Doll
URN:urn:nbn:de:hbz:a96-opus-1358
DOI:https://doi.org/10.21269/108
Document Type:Conference Proceeding
Language:English
Year of Completion:2006
Publishing Institution:Fachhochschule Aachen
Contributing Corporation:International Symposium on Sensor Science, I3S 2005 <3; 2005; Juelich, Germany>
Date of the Publication (Server):2006/05/22
Tag:Main sensitivity; cross sensitivity; gas sensor array; matrix method; modelling
GND Keyword:Biosensor
Source:http://www.mdpi.org/sensors/papers/s6040270.pdf
Institutes:FH Aachen / Fachbereich Medizintechnik und Technomathematik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 57 Biowissenschaften; Biologie / 570 Biowissenschaften; Biologie
collections:FH Aachen / International Symposium on Sensor Science, I3S 2005 <3; 2005; Ju