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Development of Board for Testing IR Combustible Gas Sensors and Their Performance Test

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Abstract (2. Language): 
In this paper, we developed a board to test IR combustible gas sensors and achieved their performance test. For the first of all, we verified characteristics of sensors through testing from input of gases to output of voltages. Second, we induced a suitable calibration line to represent characteristics of sensors using linearization regression equation. Third, we improved measuring algorithm using recursion equation and Lagrange interpolation polynomial. Then, we proposed the best calibration line using by our algorithm to inspect gas leaks of safety management fields. To check performances of several sensors, we achieved the measurement tests with six standard gases made by Korea Gas Safety Corporation. We demonstrated instruments applied by our algorithm better in detecting accuracy other than detectors through experimental results.
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REFERENCES

References: 

[1] Incident Investigation & Safety Checkup Division, Gas Incident Statistics, Korea Gas Safety Corporation, 2015.
[2] Seong-Hwan Han, Hern-Chang Lee, Kyoshik Park, Tae-Ok Kim, “Consequence Analysis for Fire and Explosion Accidents in Propylene Recovery Process”, KIGAS Vol.18, No.1, pp 52~60, 2014.2.
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[6] In-Soo Lee, Young-Wung Kim, “Analysis and Compensation of Sensor Drift in the Gas Monitoring System”, KI-IT Vol.9, No.11, pp 9~15, 2011.
[7] Gyou-tae Park, Geun-jun Lyu, Young-do Jo, Jeong-rock Kwon, Sang-guk Ahn, Hiesik Kim, “A study on the Development and Accuracy Improvement of an IR Combustible Gas Leak Detector with Explosion Proof”, KIGAS Vol.18, No.3, pp 1~12, 2014.

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