Infrared sensor-based temperature control for domestic induction cooktops

Lasobras, J. ; Alonso, R. (Universidad de Zaragoza) ; Carretero, C. (Universidad de Zaragoza) ; Carretero, E. (Universidad de Zaragoza) ; Imaz, E.
Infrared sensor-based temperature control for domestic induction cooktops
Resumen: In this paper, a precise real-time temperature control system based on infrared (IR) thermometry for domestic induction cooking is presented. The temperature in the vessel constitutes the control variable of the closed-loop power control system implemented in a commercial induction cooker. A proportional-integral controller is applied to establish the output power level in order to reach the target temperature. An optical system and a signal conditioning circuit have been implemented. For the signal processing a microprocessor with 12-bit ADC and a sampling rate of 1 Ksps has been used. The analysis of the contributions to the infrared radiation permits the definition of a procedure to estimate the temperature of the vessel with a maximum temperature error of 5 °C in the range between 60 and 250 °C for a known cookware emissivity. A simple and necessary calibration procedure with a black-body sample is presented.
Idioma: Inglés
DOI: 10.3390/s140305278
Año: 2014
Publicado en: SENSORS 14, 3 (2014), 5278-5295
ISSN: 1424-8220

Factor impacto JCR: 2.245 (2014)
Categ. JCR: INSTRUMENTS & INSTRUMENTATION rank: 10 / 56 = 0.179 (2014) - Q1 - T1
Categ. JCR: CHEMISTRY, ANALYTICAL rank: 31 / 74 = 0.419 (2014) - Q2 - T2
Categ. JCR: ELECTROCHEMISTRY rank: 14 / 27 = 0.519 (2014) - Q3 - T2

Factor impacto SCIMAGO:

Financiación: info:eu-repo/grantAgreement/ES/DGA/Photonics Technologies Group-GTF
Financiación: info:eu-repo/grantAgreement/ES/MINECO/IPT2011-1158-920000
Tipo y forma: Article (Published version)
Área (Departamento): Física Aplicada (Departamento de Física Aplicada)

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