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Classification of insulators using neural network based on computer vision

IET generation, transmission & distribution, 2022-03, Vol.16 (6), p.1096-1107 [Peer Reviewed Journal]

2021 The Authors. published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology ;ISSN: 1751-8687 ;EISSN: 1751-8695 ;DOI: 10.1049/gtd2.12353

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  • Title:
    Classification of insulators using neural network based on computer vision
  • Author: Stefenon, Stéfano Frizzo ; Corso, Marcelo Picolotto ; Nied, Ademir ; Perez, Fabio Luis ; Yow, Kin‐Choong ; Gonzalez, Gabriel Villarrubia ; Leithardt, Valderi Reis Quietinho
  • Is Part Of: IET generation, transmission & distribution, 2022-03, Vol.16 (6), p.1096-1107
  • Description: Insulators of the electrical power grid are usually installed outdoors, so they suffer from environmental stresses, such as the presence of contamination. Contamination can increase surface conductivity, which can lead to system failures, reducing the reliability of the network. The identification of insulators that have their properties compromised is important so that there are no discharges through its insulating body. To perform the classification of contaminated insulators, this paper presents computer vision techniques for the extraction of contamination characteristics, and a neural network (NN) model for the classification of this condition. Specifically, the Sobel edge detector, Canny edge detection, binarization with threshold, adaptive binarization with threshold, threshold with Otsu and Riddler–Calvard techniques will be evaluated. The results show that it is possible to have an accuracy of up to 97.50% for the classification of contaminated insulators from the extraction of characteristics with computer vision using the NN for the classification. The proposed model is more accurate than well‐established models such as support‐vector machine (SVM), k‐nearest neighbor (k‐NN), and ensemble learning methods. This showed that optimizing the model's parameters can make it superior to solve the problem in question.
  • Publisher: Wiley
  • Language: English
  • Identifier: ISSN: 1751-8687
    EISSN: 1751-8695
    DOI: 10.1049/gtd2.12353
  • Source: DOAJ: Directory of Open Access Journals
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