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Implementation of fuzzy control in a domestic refrigerator considering the influence of the thermal load.

Author(s) : RODRIGUEZ-VALDERRAMA D. A., BELMAN-FLORES J. M., HERNANDEZ-FUSILIER D., PARDO-CELY D. M., GOMEZ-MARTINEZ M. A., MENDEZ-DIAZ S.

Type of article: IJR article

Summary

This paper presents the development of a fuzzy control implemented in a domestic refrigerator in which the thermal load (food) is included as an input variable and a novel aspect of the control. The fuzzy control regulates the speed of the fan attached to the evaporator and the airflow to the fresh food compartment of the refrigerator according to a set of rules that incorporate the amount of thermal load and the temperature conditions of the compartments. The fuzzy control was evaluated in an empty refrigerator (without food) and with three thermal load conditions. Thus, resulting in a fuzzy control capable of maintaining thermal conditions similar to those obtained with the factory ON/OFF refrigerator controller. In addition, the total energy consumption is reduced by 1.7% when the refrigerator is empty and by a maximum of 9.53% in the presence of a low thermal load. Finally, the coefficient of performance shows increases in all the cases studied with the implementation of the fuzzy control.

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Pages: 23-34

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Details

  • Original title: Implementation of fuzzy control in a domestic refrigerator considering the influence of the thermal load.
  • Record ID : 30031530
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 149
  • Publication date: 2023/05
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2022.12.018

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