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Ingenius. Revista de Ciencia y Tecnología
versión On-line ISSN 1390-860Xversión impresa ISSN 1390-650X
Resumen
PEREZ-AGUILAR, Daniel A et al. ELECTRIC SUBSTATION INSPECTION: YOLOV5 IN HOTSPOT DETECTION THROUGH THERMAL IMAGING. Ingenius [online]. 2024, n.31, pp.43-54. ISSN 1390-860X. https://doi.org/10.17163/ings.n31.2024.04.
Substations are key facilities within an electrical system, untimely failures tend to cause low quality and negative effects on the electrical supply. An early indicator of potential electrical equipment failure is the appearance of hot spots; therefore, its detection and subsequent programmed correction avoids incurring in major failures and unnecessary operation stops. In this research, 64 experiments of the YOLOv5 algorithm were carried out, with the purpose of proposing an automated computer vision mechanism for the detection of hot spots in thermal images of electrical substations. The best results show a mAP value of 81.99%, which were obtained with the YOLOv5m algorithm and the transfer learning application. These results leave a basis to deepen and improve the performance of the algorithm by varying other hyperparameters to those considered in this study.
Palabras clave : Electrical substations; Hot spots; Object detection; Thermal images; Transfer learning; YOLOv5.