VOC gas leak detection using pyro-electric infrared sensors

Date
2010
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Source Title
2010 IEEE International Conference on Acoustics, Speech and Signal Processing
Print ISSN
1520-6149
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Publisher
IEEE
Volume
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Pages
1682 - 1685
Language
English
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Abstract

In this paper, we propose a novel method for detecting and monitoring Volatile Organic Compounds (VOC) gas leaks by using a Pyro-electric (or Passive) Infrared (PIR) sensor whose spectral range intersects with the absorption bands of VOC gases. A continuous time analog signal is obtained from the PIR sensor. This signal is discretized and analyzed in real time. Feature parameters are extracted in wavelet domain and classified using a Markov Model (MM) based classifier. Experimental results are presented. ©2010 IEEE.

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