کنترل کمپرسور و دمای مرجع برای یخچال خانگی با استفاده از سیستم‌های فازی

نوع مقاله : مقاله برق

نویسندگان

1 دانشکده مهندسی برق و کامپیوتر، دانشگاه سمنان، سمنان، ایران

2 شرکت دانش‌بنیان تحقیقات صنعتی آفتابگردان تابان شرق، مشهد، ایران

چکیده

یخچال‌های خانگی سهم قابل توجهی در مصرف انرژی را دارند و لذا طراحی کنترل‌کننده مناسب جهت کاهش مصرف انرژی و افزایش کارایی آن‌ها ضروری به نظر می‌رسد. روش کنترل مرسوم هیسترزیس در حضور عدم‌قطعیت‌هایی همچون زمان روز و یا تعداد باز و بسته شدن درب نمی‌تواند کارایی متفاوتی از خود نشان دهد. همچنین بسیاری از کنترل‌کننده‌های فازی که بر اساس خطای دما طراحی شده‌اند، رفتار کاربر در باز و بسته کردن درب یخچال را در نظر نگرفته‌اند. لذا در این مقاله، سیستم‌های فازی جهت بهبود عملکرد یخچال خانگی بکار گرفته شده‌اند. بر اساس داده‌های جمع‌آوری شده از تعداد باز و بسته شدن درب، زمان‌های روز به چند بازه تقسیم شده‌اند و یک سیستم فازی برای تعیین دمای مرجع یخچال در طول روز طراحی شده است. همچنین یک کنترل‌کننده فازی با دریافت زمان روز و خطای دما از مقدار دمای مرجع، سرعت کمپرسور را کنترل می‌کند. روش پیشنهادی بر روی یک مدل سیمولینک از سیستم سردسازی در نرم‌افزار متلب پیاده‌سازی شده است. نتایج شبیه‌سازی نشان‌دهنده مصرف انرژی کمتر و خطای دمای کمتر روش پیشنهادی در مقایسه با یک کنترل فازی طراحی‌شده بدون در نظر گرفتن رفتار کاربر در طراحی قواعد فازی می‌باشد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Compressor and Set-Point Temperature Control of a Domestic Refrigerator Using Fuzzy Systems

نویسندگان [English]

  • Fahimeh Baghbani 1
  • Ahmadreza Bagheri 2
  • Navid Yektay 2
1 Department of Electrical and Computer Engineering, Semnan University, Semnan, Iran
2 Sunflower Industrial Research Co. (SIRCO, Mashhad, Iran
چکیده [English]

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.

کلیدواژه‌ها [English]

  • Intelligent control
  • Fuzzy systems
  • Domestic refrigerator
  • Temperature control

مراجع

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مدل سازی در مهندسی
دوره 23، شماره 80
در حال تکمیل شدن
فروردین 1404
صفحه 21-30

فایل ها

سابقه مقاله

  • تاریخ دریافت: 30 مهر 1402
  • تاریخ بازنگری: 21 خرداد 1403
  • تاریخ پذیرش: 30 خرداد 1403

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