Design of sensor arrays by use of an inverse feature space

The use of sensor arrays for the improvement of the selectivity of chemical sensors has become common. Generally, however, the properties of the single sensor elements are not exactly defined with respect to other values within the array; they are generally designed to be non-selective but different...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 1995-04, Vol.25 (1), p.781-784
Main Authors: Niebling, Gerhard, Mu¨ller, Rudolf
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Exact sciences and technology
General equipment and techniques
General, instrumentation
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Inverse feature space
Physics
Sensor arrays
Sensors (chemical, optical, electrical, movement, gas, etc.)
remote sensing
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Summary:The use of sensor arrays for the improvement of the selectivity of chemical sensors has become common. Generally, however, the properties of the single sensor elements are not exactly defined with respect to other values within the array; they are generally designed to be non-selective but different. This paper described a method for evaluating the contribution of a single sensor element to the selectivity for a given class of substances. The advantage of this design method is the possibility to use data from known substances (e.g., the catalogues on gas chromatography substances) to design a sensor array with optimal selectivity. An example of a piezoelectric quartz sensor array is presented to illustrate this design method.
ISSN:0925-4005
1873-3077
DOI:10.1016/0925-4005(95)85173-9