In this study, utilizing autoencoders to detect the defects of railway catenary system by contact force signal is explored. Innovatively, first, a new way to divide the signal regarding the catenary system structural units (spans) is invented and it is significant to the performance of the proposed approach. Besides, a fully-connected autoencoder with modified-embedding is built and utilized to detect the defects. And the good results show the effectiveness of the proposed approaches.

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The Defects Detection for Railway Catenary System by Autoencoder with Modified-Embedding

  • Shaoyao Chen,
  • Yang Song,
  • Gunnstein T. Frøseth,
  • Albert Lau,
  • Anders Rönnquist

摘要

In this study, utilizing autoencoders to detect the defects of railway catenary system by contact force signal is explored. Innovatively, first, a new way to divide the signal regarding the catenary system structural units (spans) is invented and it is significant to the performance of the proposed approach. Besides, a fully-connected autoencoder with modified-embedding is built and utilized to detect the defects. And the good results show the effectiveness of the proposed approaches.