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  • Vivek, Joseph, et al. (author)
  • Wear particle image analysis: feature extraction, selection and classification by deep and machine learning
  • 2024
  • In: Industrial Lubrication and Tribology. - : Emerald Group Publishing Limited. - 0036-8792 .- 1758-5775. ; 76:5, s. 599-607
  • Journal article (peer-reviewed)abstract
    • PurposeThis study aims to explore the integration of machine learning (ML) in tribology to optimize lubrication interval decisions, aiming to enhance equipment lifespan and operational efficiency through wear image analysis.Design/methodology/approachUsing a data set of scanning electron microscopy images from an internal combustion engine, the authors used AlexNet as the feature extraction algorithm and the J48 decision tree algorithm for feature selection and compared 15 ML classifiers from the lazy-, Bayes and tree-based families.FindingsFrom the analyzed ML classifiers, instance-based k-nearest neighbor emerged as the optimal algorithm with a 95% classification accuracy against testing data. This surpassed individually trained convolutional neural networks’ (CNNs) and closely approached ensemble deep learning (DL) techniques’ accuracy.Originality/valueThe proposed approach simplifies the process, enhances efficiency and improves interpretability compared to more complex CNNs and ensemble DL techniques.
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