Compressor and Set-Point Temperature Control of a Domestic Refrigerator Using Fuzzy Systems
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Domestic refrigerators have a noticeable contribution to energy consumption worldwide. Thus, it is beneficial to integrate control strategies for reducing their energy usage and improving their performance. The traditional hysteresis controller cannot perform effectively in the presence of uncertainties such as daytime or refrigerator door status. Additionally, most of the designed fuzzy controllers based on temperature error, do not address the door-opening behavior of the user. Hence, this paper employs fuzzy logic systems to improve the performance of domestic refrigerators. Based on the data collected from domestic users' door-opening events, the daytime is split into four time intervals and a fuzzy system is then designed to adjust the desired temperature of the refrigerator. Also, a fuzzy controller is designed to control the compressor speed according to the temperature error and the time of the day. A MATLAB refrigeration model is used to evaluate the proposed controller’s performance. The results demonstrate lower energy consumption and better temperature set-point tracking for the proposed controller than a fuzzy controller without addressing user behavior in the fuzzy rules design.
Keywords:
Language:
Persian
Published:
Journal of Modeling in Engineering, Volume:23 Issue: 80, 2025
Pages:
21 to 30
https://www.magiran.com/p2853596
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