Portable System for CWA Detection Using Micro Array Gas Sensor  

作　　者：J.H.Kwak Y.T.Lim G.H.Kim N.J.Choi H.D.Park G.H.Rue J.S.Huh J.C.Kim D.D.Lee 

机构地区：[1]School of Electrical Engineering and Computer Science,Kyungpook National University,Daegu 1370,Korea [2]Electronics and Telecommunications Research Institute,Future Technology Research Division New Functional Information Devices Team,Gajeong,Yuseong-Gu,Daejeon 161 Korea [3]Korea Electronics Technology Institute,Yatap-Dong,Bundang-Gu,Seongnam-Si,Gyeonggi-Do #68,Korea [4]Department of Materials Science and Metallurgy,Kyungpook National University,Daegu 1370,Korea [5]Department of Chemical Engineering,Kyungpook National University,Daegu 1370,Korea

出　　处：《稀有金属材料与工程》2006年第A03期124-128,共5页Rare Metal Materials and Engineering

摘　　要：Biochemistry weapon is raising new tools of war and terror.This research is an experiment about portable system for CWAs (chemical warfare agents) detection using micro array gas system.CWAs were divided into four types such as blood, nerve,vesicant,and choking agent.To detect various CWAs,semiconductor thick film sensor array based on tin oxide was fabricated and their gas responses were examined.Operating temperature was range of 250℃to 350℃and gas concentration was range of 0.1μg/g to 10μg/g.Sensor array was measured as operating temperatures,concentrations for four simulant agents of CWAs.Extracted parameters from results were carried out classification among CWAs through the principal component analysis (PCA).Also,classification of gases is studied using adaptive resonance theory (ART) that is one of neural network algorithm.Results displayed using PDA system.Biochemistry weapon is raising new tools of war and terror. This research is an experiment about portable system for CWAs （chemical warfare agents） detection using micro array gas system. CWAs were divided into four types such as blood, nerve, vesicant, and choking agent. To detect various CWAs, semiconductor thick film sensor array based on tin oxide was fabricated and their gas responses were examined. Operating temperature was range of 250℃ to 350℃ and gas concentration was range of 0.1 μg/g to 10 μg/g. Sensor array was measured as operating temperatures, concentrations for four simulant agents of CWAs. Extracted parameters from results were carried out classification among CWAs through the principal component analysis （PCA）. Also, classification of gases is studied using adaptive resonance theory （ART） that is one of neural network algorithm. Results displayed using PDA system.

关 键 词：SNO2 chemical warfare agents(CWAs) portable system ART ARRAY PCA 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]