People Innovation Excellence
 

Maintaining the Quality and Aroma of Coffee with Fuzzy Logic Coffee Roasting Machine

Harsawardana, Bayu Samodro, Bharuno Mahesworo, Teddy Suparyanto, Don Bosco Surya Atmaja, Bens Pardamean

Conference: 2019 International Conference on Eco Engineering Development, Surakarta, Indonesia

With the increasing global demands of coffee, Indonesia need to increase their coffee beans supply and improve the quality to maintain its position in the international coffee industry. One of the most important coffee pre-processing, coffee bean roasting, is under developed in Indonesia. Indonesia coffee farmers prefer to use the traditional cauldron to roast their coffee beans. Roasting coffee beans using traditional cauldron is inefficient and resulting unequal roasted level for the coffee beans. In this study, we proposed a temperature control system based on fuzzy logic for coffee roaster machine. The system controls the temperature in accordance with the demanded roasting level. A thermal camera is attached inside the roasting chamber to monitor the heat on the roasted coffee beans. The thermal camera is integrated with a stirring mechanism to equalise the heat among the beans. This proposed roasting machine is also able to produce uniform and preferred roasting level coffee beans. The final roasting machine is also very cheap to build compare to other modern roasting machine in the market.

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