A Fuzzy Logic-based Control System for Microwave Ovens

Lynn, NINYIKIRIZA Deborah and Sourav, Arefin Islam and Santoso, Albertus Joko (2019) A Fuzzy Logic-based Control System for Microwave Ovens. In: The 2nd 2019 ICERA: International Conference on Electronics Representation and Algorithm "Innovation and Transformation for Best Practices in Global Community" 12-13 December 2019, Yogyakarta, Indonesia. Journal of Physics: Conference Series, pp. 1-6.

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Abstract

Conventional microwave ovens rely on users for their cooking time. In other words, the user must set the oven’s cooking time manually. This paper aims to design a fuzzy logicbased controller to resolve the above-mentioned issue by determining the cooking time of the microwave oven automatically. The time determined depends on the quantity and type of food. During the fuzzy logic process, we used the Mamdani fuzzy model. This model involves determining the crisp input, fuzzification, rule evaluation, and defuzzification, to obtain the crisp output result. Input real variables used were the type of food and quantity of food, whereas the output variable used was cooking time. A fuzzy logic toolbox on MATLAB software was used to design and simulate the whole system. Considering the IF-THEN rules and functions, we used the value of food as 50, and the type of food as 50 and we obtained the cooking time as 25 minutes. The result showed that Fuzzy models are good at determining cooking time in Microwave ovens and that their cooking time depends on the inputs. Using fuzzy logic in microwave ovens helps to maintain food quality, saves users’ time, and controls the energy used by the oven

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