使用温度调制的传感器阵列识别有毒气体

IEEE Sensors, 2005. Pub Date : 2005-10-31 DOI:10.1109/ICSENS.2005.1597682

K. Ngo, P. Lauque, K. Aguir

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引用次数: 1

摘要

本文介绍了一种利用由四个传感器(Figaro和MiCS传感器)组成的传感器阵列来提高传感器选择性的方法。每个传感器的加热温度通过频率为25 mHz的三角信号在200°c和450°c之间调制。主成分分析用于区分三种还原性气体(一氧化碳、乙炔和硫化氢)。对未知气体的新数据进行了测试，结果表明了该方法的潜力

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Identification of toxic gases with a sensor array using temperature modulation

This paper describes a procedure to improve the sensor selectivity using a sensor array which is built with four sensors (Figaro and MiCS sensors). The heating temperature of each sensor is modulated between 200degC and 450degC by a triangular signal with a frequency of 25 mHz. Principal component analysis is used to discriminate among three reducing gases (carbon monoxide, acetylene and hydrogen sulfide). New data of unknown gas are tested and the identification results demonstrate the potentiality of this method

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IEEE Sensors, 2005.

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