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ArticleName Evaluation of bulk material behavior control method in technological units using DEM. Part 2
DOI 10.17580/cisisr.2020.02.01
ArticleAuthor A. V. Boikov, R. V. Savelev, V. A. Payor, A. V. Potapov

St. Petersburg Mining University (St. Petersburg, Russia):

A. V. Boikov, Ph.D., Assistant Professor, Dept. of Automation of Technological Processes and Production, E-mail:
R. V. Savelev, Student
V. A. Payor, Student


ESSS (Florianopolis, Brazil):
A. V. Potapov, Dr. Eng., Technical Director, ESSS Rocky DEM Chief Technology Officer


The research is dedicated to the development of special devices (capsules) that can be used to control the mining ore behavior in the technological unit in order to increase processes efficiency. In the first part of the article, the choice of the discrete element method for generating various particle trajectories in the unit (drum pelletizer) was substantiated. This part describes the specific technologies that were used to recognize the pelletizing mode. In particular, conversation of paths to sensor readings is implemented using the Matlab Sensor Fusion and Tracking Toolbox. The obtained readings were processed using two neural network classifiers (DNN and LSTM). As a result, stable models for recognizing the pelletizing modes of the unit were obtained. LSTM recognition accuracy is greater than DNN. The developed approach can be used to recognize the operating modes of other technological units. In addition, data on particles trajectories can be used to improve DEM models of technological processes. Future work consists of the capsule physical implementation and testing the recognition algorithm on a real unit

keywords DEM-modeling, pelletizing drums, classification of motion modes, neural networks, RNN, LSTM, bulk materials

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