Fibre optic track vibration monitoring system

Stanislav Kepak, Jakub Cubik, Petr Zavodny, Petr Siska, Alan Davidson, Ivan Glesk, Vladimir Vasinek

Research output: Contribution to journalArticle

10 Citations (Scopus)
65 Downloads (Pure)

Abstract

Track monitoring systems are a fundamental part of railroad safety. With the electrification and development of train traction control electronics, levels of electromagnetic interference (EMI) close to railroad monitoring systems are reaching critical levels. Unreliable track safety and fault monitoring systems could affect the efficient and safe functioning of railroads and therefore strict demands must be placed on track monitoring systems to ensure electromagnetic compatibility. The Prague subway system is not an exception. An alternative track vibration monitoring system has been proposed, demonstrated and tested along a single railway track in the Prague subway system. Two passive detection systems placed 50 m and 1.3 km away from the control room were used to measure tunnel vibrations triggered by passing trains free from the effect of any unrelated EMI existing in the subway tunnel. Fibre optic based systems immune to EMI can offer an efficient solution to both track and train monitoring.
Original languageEnglish
Article number354
Number of pages8
JournalOptical and Quantum Electronics
Volume48
Issue number7
DOIs
Publication statusPublished - 15 Jun 2016

Keywords

  • vibration measurements
  • track monitoring
  • fibre optic sensor
  • EMI-free
  • electromagnetic interference free
  • railroad monitoring

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