Optimization of Automatic Temperature Control System on Dehydrator

Rahmi Berlianti; Dedi Kurniadi; Budhi Bakhtiar; Junaidi Asrul; Aulia Oktavia; Nadia Alfitri; Yefriadi; Berlianti; Muhammad Abdurrafiq

doi:10.59890/ijatss.v3i12.175

Authors

Rahmi Berlianti Politeknik Negeri Padang
Dedi Kurniadi Politeknik Negeri Padang
Budhi Bakhtiar Politeknik Negeri Padang
Junaidi Asrul Politeknik Negeri Padang
Aulia Oktavia Politeknik Negeri Padang
Nadia Alfitri Politeknik Negeri Padang
Yefriadi Politeknik Negeri Padang
Berlianti Politeknik Negeri Padang
Muhammad Abdurrafiq Politeknik Negeri Padang

DOI:

https://doi.org/10.59890/ijatss.v3i12.175

Keywords:

Dehydrator, DS18B20 Sensor, Heater, Dried Banana (Pisang Sale), Drying Process, Stable Temperature

Abstract

Traditional drying methods, such as sun drying, have several drawbacks, including dependence on weather conditions and long processing times. This final project aims to design and develop a dehumidifier device based on the Mamdani fuzzy logic system to process overripe bananas (locally known as pisang masak sehari) into dried banana (pisang sale). This type of banana ripens quickly, spoils easily, and is less favored in the market, thus requiring proper processing to increase its economic value. The developed device is equipped with an 850-watt heating element, an AC fan for air circulation, and three DS18B20 temperature sensors installed at three different points to ensure even heat distribution. The Mamdani fuzzy logic system is used to maintain a stable drying temperature within the range of 60–65°C. Test results show that the device is capable of drying bananas in 6 hours. The drying chamber temperature was maintained consistently at 61–63°C

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