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The journal receives submitted manuscripts via email only. Please submit your research paper in .doc or .pdf format to the submission email: joaat@ejournal.net.
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Home> Published Issues> 2021> Volume 8, No. 1, June 2021

Development of an Automated Machine for Green Coffee Beans Classification by Size and Defects

Grover Susanibar, Jorge Ramirez, Jennifer Sanchez, Renzo Ramirez, and Dante Arroyo
Department of Engineering, Pontifical Catholic University of Peru, Lima, Peru

Abstract—This paper presents the design and implementation of a prototype automated machine for green coffee beans classification for small agro-industries. This work responds to the need to simultaneously automate the processes of sorting by size and grading by physical defects of green coffee beans with the aim of optimizing the time and increasing the quality of the final product. Firstly, the machine classifies grains into three size ranges through a mechanical sorting system. Secondly, it has computer vision algorithms working in real time to differentiate good and defective grains. Then it has an embedded system for control along with a set of sensors and actuators and a control panel that make possible a selection of quality of green coffee beans. The results show an accuracy of 96% for sorting by size and an accuracy of 80% for grading by physical defects. The flow of coffee beans at the outlet is approximately 5 kilograms per hour. Finally, a set of conclusions and future works are presented.
 
Index Terms—coffee bean, automated machine, sorting by size, grading by defects, computer vision

Cite: Grover Susanibar, Jorge Ramirez, Jennifer Sanchez, Renzo Ramirez, and Dante Arroyo, "Development of an Automated Machine for Green Coffee Beans Classification by Size and Defects," Journal of Advanced Agricultural Technologies, Vol. 8, No. 1, pp. 17-24, June 2021. Doi: 10.18178/joaat.8.1.17-24

Copyright © 2021 by the authors. This is an open access article distributed under the Creative Commons Attribution License (CC BY-NC-ND 4.0), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.

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