Measurement of Bad-Smell Distribution Using Sensing Network Composed of Nodes with Gas Detector Tubes and CCD Image Sensors
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概要
- 論文の詳細を見る
We have developed multi-point bad-smell sensing system for monitoring living environment. Although there are a variety of gas sensors, it is difficult to detect ppb-order gas without interference. Our previous system was able to detect methyl mercaptan, hydrogen sulfide, propion aldehyde and toluene with the concentrations down to a few tens of ppb by using a gas detector tube combined with a CCD image sensor. A gas detector tube with color change caused by the chemical reaction between the analyte and the reagent system was implemented into our low cost wireless portable measurement system. This portable system called a sensor node consists of a gas detector tube, one-dimensional CCD image sensor, LVDS interface, microcomputer, and wireless LAN module. We report experiment on gas-distribution measurement under actual environments such as paint factories. It was found that the gas distibution around paint factories could be measured using this sensor network. Moreover, the dynamical change of gas distribution was clearly observed.
- 社団法人 電気学会の論文
- 2007-07-01
著者
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Nakamoto Takamichi
Graduate School Of Science And Engineering Tokyo Institute Of Technology
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TANAKA Yukinobu
Graduate school of science and engineering, Tokyo Institute of Technology
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NINH Hong
Graduate school of science and engineering, Tokyo Institute of Technology
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Ninh Hong
Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Tanaka Yukinobu
Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Nakamoto Takamichi
Graduate School Of Sci. And Engineering Tokyo Inst. Of Technol.
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