An effective temperature compensation approach for ultrasonic hydrogen sensors

Xiaolong Tan, Min Li, Norhana Arsad, Xiaoyan Wen, Haifei Lu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Hydrogen is a kind of promising clean energy resource with a wide application prospect, which will, however, cause a serious security issue upon the leakage of hydrogen gas. The measurement of its concentration is of great significance. In a traditional approach of ultrasonic hydrogen sensing, a temperature drift of 0.1 °C results in a concentration error of about 250 ppm, which is intolerable for trace amount of gas sensing. In order to eliminate the influence brought by temperature drift, we propose a feasible approach named as linear compensation algorithm, which utilizes the linear relationship between the pulse count and temperature to compensate for the pulse count error (ΔN) caused by temperature drift. Experimental results demonstrate that our proposed approach is capable of improving the measurement accuracy and can easily detect sub-100 ppm of hydrogen concentration under variable temperature conditions.

Original languageEnglish
Article number035005
JournalReview of Scientific Instruments
Volume89
Issue number3
DOIs
Publication statusPublished - 1 Mar 2018

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temperature compensation
ultrasonics
Ultrasonics
Hydrogen
sensors
Sensors
hydrogen
Temperature
temperature
clean energy
Leakage (fluid)
Energy resources
pulses
Gases
gases
resources
leakage
Compensation and Redress
causes

ASJC Scopus subject areas

  • Instrumentation

Cite this

An effective temperature compensation approach for ultrasonic hydrogen sensors. / Tan, Xiaolong; Li, Min; Arsad, Norhana; Wen, Xiaoyan; Lu, Haifei.

In: Review of Scientific Instruments, Vol. 89, No. 3, 035005, 01.03.2018.

Research output: Contribution to journalArticle

Tan, Xiaolong ; Li, Min ; Arsad, Norhana ; Wen, Xiaoyan ; Lu, Haifei. / An effective temperature compensation approach for ultrasonic hydrogen sensors. In: Review of Scientific Instruments. 2018 ; Vol. 89, No. 3.
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