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Gas mixture component analysis based on array of airfilled quartz capillary-attached metal oxide semiconductor gas sensors

B. BAHRAMINEJAD1,* , S. NOR BASRI2

Affiliation

  1. Department of electrical engineering, Faculty of Engineering, Majlesi Branch, Islamic Azad University, Esfahan, Iran
  2. Department Research Management, Innovation and Commercialization, Universiti Malaysia Kelantan, Kelantan, Malaysia

Abstract

An array of air-filled capillary-attached conductive gas sensors was applied to fabricate an electronic nose. The ability of the developed structure was investigated in analyzing the number of components of different gas mixtures. Feature data sets were generated from the dynamic responses of the sensor array to the applied odor database of gas mixtures. Combinations of different feature extraction and classification methods were used to detect the number of components of target gases and validation of each technique was studied. Achievements proved high classification accuracy of the fabricated e-nose in gas mixture component analysis..

Keywords

Metal oxide gas sensor, Gas mixture component, Sensor array, Gas diffusion, Electronic nose.

Submitted at: Sept. 28, 2015
Accepted at: Oct. 28, 2015

Citation

B. BAHRAMINEJAD, S. NOR BASRI, Gas mixture component analysis based on array of airfilled quartz capillary-attached metal oxide semiconductor gas sensors, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 11-12, pp. 1834-1841 (2015)