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Document IIF

Régulation sans capteur de la température des réfrigérateurs domestiques à partir du courant électrique du compresseur.

Sensorless temperature control of household refrigerators based on the electric current of the compressor.

Auteurs : SILVEIRA A. S., SOUZA G. A., LISTON R. J., MACHADO E., HERMES C. J. L.

Type d'article : Article de la RIF

Résumé

The present study is aimed at putting forward a novel temperature controller (including software and hardware) for a fan-and-damper refrigerator considering the electric current drawn by the single-speed compressor as the process variable. The control algorithm consists in a dynamic reference modification of a PI controller, together with a set of empirical conjectures. In addition, a purpose-built electronic board was designed and prototyped. All experiments were performed in-house with the refrigerator placed in a climate chamber. The refrigerator was tested at two different surrounding air temperatures (16 and 25 °C) under pulldown, defrost recovery, and variable ambient temperature regimes. It was noted that the proposed controller was able to maintain the refrigerator temperature within ±1 °C tolerance bounds – figures like those obtained for the baseline thermistor-based temperature controller – albeit being less costly.

Documents disponibles

Format PDF

Pages : 171-175

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

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Détails

  • Titre original : Sensorless temperature control of household refrigerators based on the electric current of the compressor.
  • Identifiant de la fiche : 30031950
  • Langues : Anglais
  • Sujet : Technologie
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 152
  • Date d'édition : 08/2023
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2023.04.018

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