Odor Pattern Recognition Using Gas Sensor Array and Neural Network

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  • ニューラルネットワークとガスセンサアレイを用いた匂いのパターン認識
  • ニューラル ネットワーク ト ガス センサ アレイ オ モチイタ ニオイ ノ

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Abstract

No detailed investigation on odor recognition using gas sensors and neural network has yet been reported. In this work, an array of tin oxide-based semiconductor gas sensors having varying sensitivity were exposed to 11 organic solvent vapors. The response data to organic vapors were analyzed by pattern recognition techniques. The discriminant analysis demonstrated good recognition of organic vapors tested, though it was difficult to discriminate between ethanol and propanol. The application of the same response data to neural network was found to produce an improvement in recognition. The odor recognition method has been successfully applied to perfumed products.

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