Design of electric circuit for dynamic model information collection in electronic nose

Hong De Dai, Jian Hua Yang, Xin Hu Du, Han Wang, Mi Na Wan

Research output: Contribution to journalArticlepeer-review

Abstract

The dynamic detection technology is a hot direction of electronic nose. The circuit of hardware that can change the parameter of the circumstance is the key in dynamic detection. Controlling model of temperature automatically and picking up model of signal are designed in order to suit for the dynamic measure. The first model can heat oxide semiconductor gas sensor array dynamically. Applying this dynamic heat circuit to the experimentation system of electronic nose, we did the identification experiment of three kinds of soft drinks under different condition. Results show that precise ratio of recognition reaches 100%.

Original languageEnglish
Pages (from-to)722-725
Number of pages4
JournalChinese Journal of Sensors and Actuators
Volume18
Issue number4
StatePublished - Dec 2005

Keywords

  • Electronic nose
  • Gas sensors array
  • Pattern recognition
  • Pulse width modulation

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