混合氧化物燃料
传感器阵列
点源
计算机科学
开源
采样(信号处理)
材料科学
物理
电信
光学
探测器
机器学习
冶金
程序设计语言
铀
软件
作者
Sepideh Pashami,Achim J. Lilienthal,Marco Trincavelli
出处
期刊:Sensors
[MDPI AG]
日期:2012-11-27
卷期号:12 (12): 16404-16419
被引量:32
摘要
We address the problem of detecting changes in the activity of a distant gas source from the response of an array of metal oxide (MOX) gas sensors deployed in an open sampling system. The main challenge is the turbulent nature of gas dispersion and the response dynamics of the sensors. We propose a change point detection approach and evaluate it on individual gas sensors in an experimental setup where a gas source changes in intensity, compound, or mixture ratio. We also introduce an efficient sensor selection algorithm and evaluate the change point detection approach with the selected sensor array subsets.
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