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<p>High-performance detection and estimation of gases/odors are challenging, especially in real-time gas sensing applications. Recently, efficient electronic noses (e-noses) are being developed using convolutional neural networks (CNNs). Further, CNNs perform better when they operate on a minimal size of vector response. In this paper, dimensions of the operational vectors have been augmented by using virtual sensor responses. These virtual responses are obtained from the principal components of the physical sensor responses. Accordingly, two sets of data are upscaled as a one-dimensional one. Another level of upscaling is further obtained by using the mirror mosaicking technique. Hence, with our proposed novel approach, the final vector size for CNN operations achieves a new dimension. With this upscaled hybrid dataset, consisting of physical and virtual sensor responses, a simpler CNN has achieved 100 percent correct classification in two different experimental settings. To the best of authors information, it is for the first time that an e-nose has been designed using a principal component-based hybrid, upscaled dataset and achieves 100 percent correct classification of the considered gases/odors.</p>
</abstract>

High-performance detection and estimation of gases/odors are challenging, especially in real-time gas sensing applications. Recently, efficient electronic noses (e-noses) are being developed using convolutional neural networks (CNNs). Further, CNNs perform better when they operate on a minimal size of vector response. In this paper, dimensions of the operational vectors have been augmented by using virtual sensor responses. These virtual responses are obtained from the principal components of the physical sensor responses. Accordingly, two sets of data are upscaled as a one-dimensional one. Another level of upscaling is further obtained by using the mirror mosaicking technique. Hence, with our proposed novel approach, the final vector size for CNN operations achieves a new dimension. With this upscaled hybrid dataset, consisting of physical and virtual sensor responses, a simpler CNN has achieved 100 percent correct classification in two different experimental settings. To the best of authors information, it is for the first time that an e-nose has been designed using a principal component-based hybrid, upscaled dataset and achieves 100 percent correct classification of the considered gases/odors.

A novel principal component-based virtual sensor approach for efficient classification of gases/odors

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

High-performance detection and estimation of gases/odors are challenging, especially in real-time gas sensing applications. Recently, efficient electronic...

A novel principal component-based virtual sensor approach for efficient classification of gases/odors

Publié en ligne: 14 mai 2022

Pages: 108 - 115

Reçu: 01 mars 2022

DOI: https://doi.org/10.2478/jee-2022-0014

Mots clés
electronic nose (e-nose), gas sensor array, convolutional neural network (CNN), principal component analysis (PCA), zero-padding, mirror mosaicking

© 2022 Shiv Nath Chaudhri et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

A novel principal component-based virtual sensor approach for efficient classification of gases/odors

Publié en ligne: 14 mai 2022

Pages: 108 - 115

Reçu: 01 mars 2022

DOI: https://doi.org/10.2478/jee-2022-0014

Mots cléselectronic nose (e-nose), gas sensor array, convolutional neural network (CNN), principal component analysis (PCA), zero-padding, mirror mosaicking

© 2022 Shiv Nath Chaudhri et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
electronic nose (e-nose), gas sensor array, convolutional neural network (CNN), principal component analysis (PCA), zero-padding, mirror mosaicking