Authors: Iswandy, Kuncup; Koenig, Andreas; Fricke, Thomas; Baumbach, Marc; Schuetze, Andreas

Source: Journal of Computational and Theoretical Nanoscience, Volume 2, Number 4, December 2005 , pp. 574-582(9)

Publisher: American Scientific Publishers

Abstract:

Sensor technology is an active field that enjoys substantial growth and continuously delivers more capable and versatile sensing elements. In particular, the advance of micro- and nanotechnologies provides the leverage for the introduction of powerful novel sensing elements, such as e.g., bio-sensors, as well as integrated multi-sensor systems. However, exploitation of sensors in applications requires sophisticated methods, from conventional signal processing to computational intelligence, to extract the resulting information. Currently, a significant part of a multi-sensor system still has to be assembled manually by experienced designers in a time and a labour consuming process. Clearly, an automatic method for design and configuration of such multi-sensor systems would be salient. In this paper we propose a general methodology for automated design and configuration of multi-sensor systems employing methods from evolutionary computation. The methodology includes feature and classification model optimization. As case study, we investigate a particular gas sensor system, which additionally encompasses issues of sophisticated sensor heating control and has a wide range of applications in nanotechnoly, biotechnology, chemical, and control engineering, environmental protection, etc. The results show, that using the proposed methodology competitive results in terms of classification accuracy and flexibility can be achieved.

Keywords: DESIGN AUTOMATION; MULTI SENSOR SYSTEMS; BIO-SENSORS; COMPUTATIONAL INTELLIGENCE; SENSOR SIGNAL PROCESSING; FEATURE SELECTION

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jctn.2005.013

Publication date: 2005-12-01

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• Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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