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Sensors, Vol. 22, Pages 169: Deep Learning Approach at the Edge to Detect Iron Ore Type

Sensors doi: 10.3390/s22010169

Authors:
Emerson Klippel
Andrea Gomes Campos Bianchi
Saul Delabrida
Mateus Coelho Silva
Charles Tim Batista Garrocho
Vinicius da Silva Moreira
Ricardo Augusto Rabelo Oliveira

There is a constant risk of iron ore collapsing during its transfer between processing stages in beneficiation plants. Existing instrumentation is not only expensive but also complex and challenging to maintain. In this research, we propose using edge artificial intelligence for early detection of landslide risk based on images of iron ore transported on conveyor belts. During this work, we defined the device edge and the deep neural network model. Then, we built a prototype will to collect images that will be used for training the model. This model will be compressed for use in the device edge. This same prototype will be used for field tests of the model under operational conditions. In building the prototype, a real-time clock was used to ensure the synchronization of image records with the plant’s process information, ensuring the correct classification of images by the process specialist. The results obtained in the field tests of the prototype with an accuracy of 91% and a recall of 96% indicate the feasibility of using deep learning at the edge to detect the type of iron ore and prevent its risk of avalanche.

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