Articles producció científicaEnginyeria Electrònica, Elèctrica i Automàtica

Acceleration and drift reduction of MOX gas sensors using active sigma-delta controls based on dielectric excitation

  • Identification data

    Identifier:  imarina:9262251
    Authors:  Sola-Penaftel, N; Manyosa, X; Navarrete, E; Ramos-Castro, J; Jimenez, V; Bermejo, S; Gracia, I; Llobet, E; Dominguez-Pumar, M
    Abstract:
    The objective of this paper is to apply a closed-loop control based on dielectric excitation to MOX gas sensors in order to improve their response time. The control implements a feedback loop in which temperature modulations keep constant the sensor reactance, measured at constant temperature. The required fast temperature switching has been implemented on MEMS microhotplates. The mean temperature generated by the control is the new output signal. This technique is applied to an in-house sensor made of WO3 nanowires decorated with gold nanoparticles to detect NH3 and to a commercial MEMS MOX sensor (CCS801).
  • Others:

    Link to the original source: https://www.sciencedirect.com/science/article/abs/pii/S0925400522005822
    APA: Sola-Penaftel, N; Manyosa, X; Navarrete, E; Ramos-Castro, J; Jimenez, V; Bermejo, S; Gracia, I; Llobet, E; Dominguez-Pumar, M (2022). Acceleration and drift reduction of MOX gas sensors using active sigma-delta controls based on dielectric excitation. Sensors And Actuators B-Chemical, 365(), 131940-. DOI: 10.1016/j.snb.2022.131940
    Paper original source: Sensors And Actuators B-Chemical. 365 131940-
    Article's DOI: 10.1016/j.snb.2022.131940
    Journal publication year: 2022
    Entity: Universitat Rovira i Virgili
    Paper version: info:eu-repo/semantics/acceptedVersion
    Record's date: 2024-10-12
    URV's Author/s: Llobet Valero, Eduard / Navarrete Gatell, Èric
    Department: Enginyeria Electrònica, Elèctrica i Automàtica
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Publication Type: Journal Publications
    Author, as appears in the article.: Sola-Penaftel, N; Manyosa, X; Navarrete, E; Ramos-Castro, J; Jimenez, V; Bermejo, S; Gracia, I; Llobet, E; Dominguez-Pumar, M
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    Thematic Areas: Surfaces, coatings and films, Spectroscopy, Química, Odontología, Nutrição, Metals and alloys, Medicina ii, Medicina i, Materials chemistry, Materiais, Interdisciplinar, Instruments & instrumentation, Instrumentation, Farmacia, Engenharias iv, Engenharias iii, Engenharias ii, Engenharias i, Electronic, optical and magnetic materials, Electrochemistry, Electrical and electronic engineering, Educação física, Educação, Economia, Condensed matter physics, Ciências biológicas iii, Ciências biológicas ii, Ciências biológicas i, Ciências ambientais, Ciências agrárias i, Ciência de alimentos, Ciência da computação, Chemistry, analytical, Biotecnología, Biodiversidade, Astronomia / física, Analytical chemistry
    Author's mail: eric.navarrete@urv.cat, eric.navarrete@urv.cat, eduard.llobet@urv.cat
  • Keywords:

    Quantitative-analysis
    Metal oxide
    Gas sensor
    Dielectric excitation
    Control
    arrays
    ammonia
    Chemistry
    Analytical
    Condensed Matter Physics
    Electrical and Electronic Engineering
    Electrochemistry
    Electronic
    Optical and Magnetic Materials
    Instrumentation
    Instruments & Instrumentation
    Materials Chemistry
    Metals and Alloys
    Surfaces
    Coatings and Films
    Spectroscopy
    Química
    Odontología
    Nutrição
    Medicina ii
    Medicina i
    Materiais
    Interdisciplinar
    Farmacia
    Engenharias iv
    Engenharias iii
    Engenharias ii
    Engenharias i
    Educação física
    Educação
    Economia
    Ciências biológicas iii
    Ciências biológicas ii
    Ciências biológicas i
    Ciências ambientais
    Ciências agrárias i
    Ciência de alimentos
    Ciência da computação
    Biotecnología
    Biodiversidade
    Astronomia / física
    Analytical chemistry
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