Continuous structural health monitoring guided wave PPM system using steel pipes as communication channel for flood detection in steel offshore oilrigs

  • R. Mijarez*
  • , F Martinez
  • , P. Gaydecki
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    An automatic guided wave pulse position modulation system, using steel tubes as communication channel, for detecting flooding in the hollow sub-sea structures of offshore oilrigs is presented. The system employs two smart PZT-based sensors and modulators and a demodulator based on a PZT transducer, a DSP and a microcontroller. Experiments performed in a tubular steel heliport structure and the base of a deck of an oilrig under construction, have successfully distinguished automatically guided wave encoded information.

    Original languageEnglish
    Pages (from-to)1014-1021
    Number of pages8
    JournalAIP Conference Proceedings
    Volume1096
    DOIs
    Publication statusPublished - 2009

    Keywords

    • Guided waves
    • Offshore platforms monitoring
    • Pulse position modulation
    • Real time filtering

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