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Vol. 34, No. 8(3), S&M3042

Notice of retraction
Vol. 32, No. 8(2), S&M2292

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Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
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Sensors and Materials, Volume 28, Number 3 (2016)
Copyright(C) MYU K.K.
pp. 237-242
S&M1174 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2016.1290
Published: March 30, 2016

Analysis of Gas Sensor Response Using Subspace-Based Prony's Method [PDF]

Yoshinori Takei, Yasoshima Hiroyuki, Kazuki Hirasawa, Hidehito Nanto, and Kiyoshi Wada

(Received December 7, 2015; Accepted February 26, 2016)

Keywords: semiconductor-type gas sensor, subspace identification method, Prony's method, feature extraction

This paper shows the feature extraction for gas discrimination from the transient response of a gas sensor using a subspace-based system identification technique. We have proposed an approximation and analysis method for the transient response using a subspace-based identification method. This is based on Prony's method and can extract time constants and gain parameters of multicomponents of a sensor output response. The estimated parameters can be used to improve gas discrimination in multivariate analysis as elements of pattern vectors. Transient responses of semiconductor-type gas sensors were evaluated using the proposed method. We show that the method can extract features connected with characteristics of measured gases from these sensor responses.

Corresponding author: Yoshinori Takei


Cite this article
Yoshinori Takei, Yasoshima Hiroyuki, Kazuki Hirasawa, Hidehito Nanto, and Kiyoshi Wada, Analysis of Gas Sensor Response Using Subspace-Based Prony's Method, Sens. Mater., Vol. 28, No. 3, 2016, p. 237-242.



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