Study of robust odor sensing system with auto-sensitivity control

被引:15
作者
Nakamoto, T [1 ]
Sumitimo, E [1 ]
机构
[1] Tokyo Inst Technol, Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528552, Japan
来源
SENSORS AND ACTUATORS B-CHEMICAL | 2003年 / 89卷 / 03期
关键词
robust sensing system; auto-sensitivity control; odor sensing system; preconcentrator; QCM;
D O I
10.1016/S0925-4005(03)00003-0
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
An odor sensing system should be robust against the influence of the environmental changes such as changes of concentration, humidity and temperature. We proposed a new structure of a preconcentrator device directly connected to the sensors to speed up the measurement cycle. This structure enabled the rapid adjustment of the accumulation time of the vapor to keep one of the sensor responses constant. This function of the auto-sensitivity control was effective to achieve the sensing system robust against the changes of the concentration and humidity. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:285 / 291
页数:7
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