Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Chemical Sensors Array Optimization Based on Wilks Lamda Technique

Wilks Lamda 방법을 이용한 화학센서 어레이 최적화

  • Jeon, Jin-Young (Division of Electronics, Information & Communication Engineering, Kangwon National University) ;
  • Shin, Jeong-Suk (Division of Electronics, Information & Communication Engineering, Kangwon National University) ;
  • Yu, Joon-Boo (Division of Electronics, Information & Communication Engineering, Kangwon National University) ;
  • Byun, Hyung-Gi (Division of Electronics, Information & Communication Engineering, Kangwon National University)
  • 전진영 (강원대학교 전자정보통신공학부) ;
  • 유준부 (강원대학교 전자정보통신공학부) ;
  • 신정숙 (강원대학교 전자정보통신공학부) ;
  • 변형기 (강원대학교 전자정보통신공학부)
  • Received : 2014.08.21
  • Accepted : 2014.09.11
  • Published : 2014.09.30
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Abstract

Optimizing the performance of a composite sensor array is necessary when the number of sensors to choose from is large. In this paper, we present a chemical sensors array optimization method using Wilks Lamda algorithm applicable a device to detect low concentration of alcohol from driver's exhale breath for interlocking engine ignition preventing drink-driving. More than 20 chemical sensors fabricated different synthetic stuffs and heater temperatures by collaborators were nominated, 5 sensors were selected for optimal sensors array using the method, and alcohol samples were well discriminated from the interference gases inside the vehicle. It has been confirmed by Principal Component Analysis (PCA).

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References

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  2. Investigation of Chemical Sensor Array Optimization Methods for DADSS vol.25, pp.1, 2016, https://doi.org/10.5369/JSST.2016.25.1.13
  3. Sensor array optimization techniques for exhaled breath analysis to discriminate diabetics using an electronic nose pp.12256463, 2018, https://doi.org/10.4218/etrij.2017-0018