Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Design of a Smart Gas Sensor System for Room Air-Cleaner of Automobile (Thick-Film Metal Oxide Semiconductor Gas Sensor)

  • Kim, Jung-Yoon (Dept. of Electrical and Electronic Engineering, University of Ulsan) ;
  • Shin, Tae-Zi (Dept. of Electrical and Electronic Engineering, University of Ulsan) ;
  • Yang, Myung-Kook (Dept. of Electrical and Electronic Engineering, University of Ulsan)
  • Published : 2007.09.01
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Abstract

It is almost impossible to secure the reproductibility and stability of a commercial Thick-Film Metal Oxide Semiconductor Gas Sensor since it is very difficult to keep the consistency of the manufacturing environment. Thus it is widely known that the general Semiconductor-Oxide Gas Sensors are not appropriate for precise measurement systems. In this paper, the output characteristic analyzer of the various Thick-Film Metal Oxide Semiconductor Gas Sensors that are used to recognize the air quality within an automobile are proposed and examined. The analyzed output characters in a normal air chamber are grouped by sensor ranks and used to fill out the characteristic table of the Thick-Film Metal Oxide Semiconductor Gas Sensors. The characteristic table is used to determine the rank of the sensor that is equipped in the current air cleaner system of an automobile. The proposed air control system can also adapt the on-demand operation that recognizes the history of the passenger's manual-control.

Keywords

References

  1. S. Roy Morrison, 'Semiconducting-Oxide Chemical Sensors', IEEE, March 1991 8755-3996/91/0300
  2. T. Albrecht, G. Matz, T. Hunte and J. Hildemann, 'An Intelligent Gas Sensor System For the Identification of Hazardous Airborne Compounds Using An Array Of Semiconductor Gas Sensors And Kohonen Feature Map Neural Networks', IEE Conf. on Intelligent System Engineering, 5-9 September 1994
  3. 'Technical Information for TGS2602' Figaro Eng. Inc., Japan

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