Determination of chlorine concentration using single temperature modulated semiconductor gas sensor

Ł. Woźniak; P. Kalinowski; G. Jasiński; P. Jasiński

doi:10.1117/12.2248025

10 November 2016 Determination of chlorine concentration using single temperature modulated semiconductor gas sensor

Ł. Woźniak, P. Kalinowski, G. Jasiński, P. Jasiński

Proceedings Volume 10161, 14th International Conference on Optical and Electronic Sensors; 101610U (2016) https://doi.org/10.1117/12.2248025
Event: 14th International Conference on Optical and Electronic Sensors, 2016, Gdansk, Poland

Abstract

A periodic temperature modulation using sinusoidal heater voltage was applied to a commercial SnO₂ semiconductor gas sensor. Resulting resistance response of the sensor was analyzed using a feature extraction method based on Fast Fourier Transformation (FFT). The amplitudes of the higher harmonics of the FFT from the dynamic nonlinear responses of measured gas were further utilized as an input for Artificial Neuron Network (ANN). Determination of the concentration of chlorine was performed. Moreover, this work evaluates the sensor performance upon sinusoidal temperature modulation.

Citation Download Citation

Ł. Woźniak, P. Kalinowski, G. Jasiński, and P. Jasiński "Determination of chlorine concentration using single temperature modulated semiconductor gas sensor", Proc. SPIE 10161, 14th International Conference on Optical and Electronic Sensors, 101610U (10 November 2016); https://doi.org/10.1117/12.2248025

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