Deep residual neural network for EMI event classification using bispectrum representations

Imene Mitiche, Mark David Jenkins, Philip Boreham, Alan Nesbitt, Brian G. Stewart, Gordon Morison

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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Abstract

This paper presents a novel method for condition monitoring of High Voltage (HV) power plant equipment through analysis of discharge signals. These discharge signals are measured using the Electromagnetic Interference (EMI) method and processed using third order Higher-Order Statistics (HOS) to obtain a Bispectrum representation. By mapping the time-domain signal to a Bispectrum image representations the problem can be approached as an image classification task. This allows for the novel application of a Deep Residual Neural Network (ResNet) to the classification of HV discharge signals. The network is trained on signals into 9 classes and achieves high classification accuracy in each category, improving upon our previous work on this task.
Original languageEnglish
Title of host publication26th European Signal Processing Conference (EUSIPCO)
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages5
Publication statusAccepted/In press - 21 Jun 2018

Keywords

  • condition monitoring
  • power plant
  • EMI

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