ガスセンサの単一ガス対数特性を拡張した複合ガスの濃度推定 Evaluation of gas concentrations in a micture using a logrithmitic model for a gas sensor response

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Changes in electical conductivity are measured for a tin dioxide-based semiconducting sensor, due to reactions occurring between the original adsorbates and the gases present in the surrounding atmosphere. This gas sensor provides a stable and reproducible performance for indoor monitoring of gas leakage and air contamination. However, this type of gas sensors is not selective and the gas concentrations cannot be precisely estimated. Therefore, a model of the gas sensor response using a linear relationship between the gas concentrations in a mixture and the sensor resistance is proposed. Furthermore, using two gas sensors having different characteristic models it is possible to evaluate the concentrations of gases in a mixture. This method has been applied to evaluate the gas concentrations in ammonia-ethanol and CO-ethanol mixtures. The results of this study indicate that the evaluation of the gas ratio and gas concentrations in a mixture is made feasible by using the proposed model for the gas sensor response.

収録刊行物

  • 電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society  

    電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society 119(7), 390-395, 1999-07 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10004834148
  • NII書誌ID(NCID)
    AN1052634X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13418939
  • NDL 記事登録ID
    4780491
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-B380
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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