Journal
IEEE SENSORS JOURNAL
Volume 23, Issue 8, Pages 8109-8119Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2023.3252726
Keywords
Sensors; Sensor arrays; Temperature sensors; Gas detectors; Chemical sensors; Modulation; Chemicals; Decision tree; drug-producing chemicals; dynamic temperature modulation; gas sensor array
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This article aims to explore the remote contactless identification of drug-producing chemicals in the external environment using a gas sensor array detection system. The feasibility and practicality of the method are confirmed through the dynamic temperature modulation method of the semiconductor sensor array. The study investigates the influence of heating period on sensor stability under rectangular wave heating condition and establishes a hardware system for the gas sensor array to collect data.
This article aims to study how to use gas sensor array detection system to realize the remote contactless identification of drug-producing chemicals in the external environment. The dynamic temperature modulation method of semiconductor sensor array is used to prove the feasibility and practicality of the method. In this article, the influence of heating period on sensor stability under rectangular wave heating condition is studied. The hardware system of gas sensor array is established, and the data are collected by the data acquisition system. In the simulated external environment, acetone, toluene, ether, and 2-butanone are qualitative analysis and identification. The data are dimensionally reduced by principal component analysis (PCA) algorithm and combined with decision tree algorithm to identify the data dynamic temperature modulation and array, which provides a research direction for more accurate qualitative identification and quantitative analysis of drug-producing chemicals.
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