Design of Portable Gas Detector Based on DSP

Xiang Dong Zhu; Tao Han; Wei Lu; Lei Xing; Di Xue

doi:10.4028/www.scientific.net/AMR.430-432.1667

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 430-432Design of Portable Gas Detector Based on DSP

Design of Portable Gas Detector Based on DSP

Abstract:

A new design method of gas detection system was given based on the new DSP processor TMS320F28335. The experiment system takes six metal-oxide semiconducter gas sensors as well as temperature and humidity sensors in comprising the sensor array module, followed the excellent detection principle how to choose, and choose CH₄ and H₂ as the test samples and use dual-BP neural-network with the temperature and humidity compensation function as the method to recognize and measure single gas and mixed gases respectively. The result shows that the measuring instrument has higher measuring accuracy and overcomes the shortcoming of other methods, and has important practical application value.

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Periodical:

Advanced Materials Research (Volumes 430-432)

Pages:

1667-1670

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.430-432.1667

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Online since:

January 2012

Authors:

Xiang Dong Zhu, Tao Han, Wei Lu, Lei Xing, Di Xue

Keywords:

Digital Signal Processing (DSP), Double Bp Neural Network, Qualitative Identification, Quantitative Detection, Sensor Array

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References

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