A novel NDIR gas sensing technique based on delta-sigma architecture

Chao Ching Ku, Chih-Hsiung Shen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This work describes the implementation and the modeling of a gas sensor with delta-sigma architecture. Beyond the conventional technique of periodic heating of light source, our proposed delta-sigma architecture with closed-loop system is obtained by the hybrid combination of a CO2 (Carbon dioxide) infrared sensor prototype which includes an amplifier, FPGA and discrete electronic devices. After a modeling of system, we derive the relationship between gas concentration and sensor by the heating and cooling times. The measurement results show a practical application for all the NDIR measuring techniques and this work also gives a new approach not only to measure gas concentration fast but also obtain the high resolution.

Original languageEnglish
Title of host publication2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages146-147
Number of pages2
ISBN (Electronic)9781479951451
DOIs
Publication statusPublished - 2014 Feb 3
Event2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014 - Tokyo, Japan
Duration: 2014 Oct 72014 Oct 10

Publication series

Name2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014

Other

Other2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014
CountryJapan
CityTokyo
Period14-10-0714-10-10

Fingerprint

Heating
Sensors
Chemical sensors
Gases
Closed loop systems
Light sources
Field programmable gate arrays (FPGA)
Carbon dioxide
Cooling
Infrared radiation

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Ku, C. C., & Shen, C-H. (2014). A novel NDIR gas sensing technique based on delta-sigma architecture. In 2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014 (pp. 146-147). [7031267] (2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/GCCE.2014.7031267
Ku, Chao Ching ; Shen, Chih-Hsiung. / A novel NDIR gas sensing technique based on delta-sigma architecture. 2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 146-147 (2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014).
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Ku, CC & Shen, C-H 2014, A novel NDIR gas sensing technique based on delta-sigma architecture. in 2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014., 7031267, 2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014, Institute of Electrical and Electronics Engineers Inc., pp. 146-147, 2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014, Tokyo, Japan, 14-10-07. https://doi.org/10.1109/GCCE.2014.7031267

A novel NDIR gas sensing technique based on delta-sigma architecture. / Ku, Chao Ching; Shen, Chih-Hsiung.

2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 146-147 7031267 (2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Ku CC, Shen C-H. A novel NDIR gas sensing technique based on delta-sigma architecture. In 2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014. Institute of Electrical and Electronics Engineers Inc. 2014. p. 146-147. 7031267. (2014 IEEE 3rd Global Conference on Consumer Electronics, GCCE 2014). https://doi.org/10.1109/GCCE.2014.7031267