Paper Title:
Experimental Study on Odor Compass System Based on Gas Sensor Array and DSP Technology
  Abstract

Abstract. Based on metal oxide gas sensors and DSP technology an odor compass is designed in this paper. Odor compass estimates direction of point odor source by analyzing responses of sensors which are placed on different concentration gradient. Main structure consists of distributed metal oxide gas sensors and plexiglas material. Signal sampling and processing are accomplished by DSP system. The directivity of whole system is tested in uniform wind field. Experimental result shows that the responses for the odor sources with 30°disparity have obvious difference. Ratio of resistance response is selected as characteristic quantity. In this way, influence which is generated from individual difference of sensors is effectively eliminated.

  Info
Periodical
Advanced Materials Research (Volumes 317-319)
Chapter
Sensor Technology
Edited by
Xin Chen
Pages
1102-1106
DOI
10.4028/www.scientific.net/AMR.317-319.1102
Citation
L. W. Chen, J. H. Yang, Z. L. Tang, "Experimental Study on Odor Compass System Based on Gas Sensor Array and DSP Technology", Advanced Materials Research, Vols. 317-319, pp. 1102-1106, 2011
Online since
August 2011
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Price
$32.00
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