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García Díaz P, Martínez Rojas JA, Utrilla Manso M, et al. Analysis of Water, Ethanol, and Fructose Mixtures Using Nondestructive Resonant Spectroscopy of Mechanical Vibrations and a Grouping Genetic Algorithm. Sensors (Basel). 2018;18(8)doi: 10.3390/s18082695.
García Díaz, P., Martínez Rojas, J. A., Utrilla Manso, M., & Monasterio Expósito, L. (2018). Analysis of Water, Ethanol, and Fructose Mixtures Using Nondestructive Resonant Spectroscopy of Mechanical Vibrations and a Grouping Genetic Algorithm. Sensors (Basel, Switzerland), 18(8), . https://doi.org/10.3390/s18082695
García Díaz, Pilar, et al. "Analysis of Water, Ethanol, and Fructose Mixtures Using Nondestructive Resonant Spectroscopy of Mechanical Vibrations and a Grouping Genetic Algorithm." Sensors (Basel, Switzerland) vol. 18,8 (2018). doi: https://doi.org/10.3390/s18082695
García Díaz P, Martínez Rojas JA, Utrilla Manso M, Monasterio Expósito L. Analysis of Water, Ethanol, and Fructose Mixtures Using Nondestructive Resonant Spectroscopy of Mechanical Vibrations and a Grouping Genetic Algorithm. Sensors (Basel). 2018 Aug 16;18(8). doi: 10.3390/s18082695. PMID: 30115870; PMCID: PMC6111329.
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Sensors (Basel). 2018 Aug 16;18(8). doi: 10.3390/s18082695.

Analysis of Water, Ethanol, and Fructose Mixtures Using Nondestructive Resonant Spectroscopy of Mechanical Vibrations and a Grouping Genetic Algorithm.

Sensors (Basel, Switzerland)

Pilar García Díaz, Juan Antonio Martínez Rojas, Manuel Utrilla Manso, Leticia Monasterio Expósito

Affiliations

  1. Department of Signal Theory and Communications, University of Alcalá, Polytechnic School, 28871 Alcalá de Henares, Madrid, Spain. [email protected].
  2. Department of Signal Theory and Communications, University of Alcalá, Polytechnic School, 28871 Alcalá de Henares, Madrid, Spain. [email protected].
  3. Department of Signal Theory and Communications, University of Alcalá, Polytechnic School, 28871 Alcalá de Henares, Madrid, Spain. [email protected].
  4. Department of Signal Theory and Communications, University of Alcalá, Polytechnic School, 28871 Alcalá de Henares, Madrid, Spain. [email protected].

PMID: 30115870 PMCID: PMC6111329 DOI: 10.3390/s18082695

Abstract

A new haptic sensor that is based on vibration produced by mechanical excitation from a clock coupled to a resonant cavity is presented. This sensor is intended to determine the chemical composition of liquid mixtures in a completely non-destructive method. In this case, a set of 23 samples of water, ethanol, and fructose mixtures has been used to simulate different kinds of alcoholic beverage. The spectral information from the vibrational absorption bands of liquid samples is analyzed by a Grouping Genetic Algorithm. An Extreme Learning Machine implements the fitness function that is able to classify the mixtures according to the concentration of ethanol and fructose. The 23 samples range from 0%⁻13% by volume of ethanol and from 0⁻3 g/L of fructose, all of them with different concentration. The new technique achieves an average classification accuracy of 96%.

Keywords: classification; extreme learning machine; feature selection; haptic sensors; nondestructive analysis; wine chemistry

References

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