Naive bayes multi-label classification approach for high-voltage condition monitoring

Mitiche, Imene and Nesbitt, Alan and Boreham, Philip and Stewart, Brian G. and Morison, Gordon; (2019) Naive bayes multi-label classification approach for high-voltage condition monitoring. In: 2018 IEEE International Conference on Internet of Things and Intelligence System (IOTAIS). IEEE, IDN, pp. 162-166. ISBN 9781538673584 (

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This paper addresses for the first time the multilabel classification of High-Voltage (HV) discharges captured using the Electromagnetic Interference (EMI) method for HV machines. The approach involves feature extraction from EMI time signals, emitted during the discharge events, by means of 1D-Local Binary Pattern (LBP) and 1D-Histogram of Oriented Gradients (HOG) techniques. Their combination provides a feature vector that is implemented in a naive Bayes classifier designed to identify the labels of two or more discharge sources contained within a single signal. The performance of this novel approach is measured using various metrics including average precision, accuracy, specificity, hamming loss etc. Results demonstrate a successful performance that is in line with similar application to other fields such as biology and image processing. This first attempt of multi-label classification of EMI discharge sources opens a new research topic in HV condition monitoring.