Deterministic Predictions of Vessel Responses Based on Past Measurements

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Abstract

The paper deals with a prediction procedure from which global wave-induced responses can be deterministically predicted a short time, 10-50 s, ahead of current time. The procedure relies on the autocorrelation function and takes into account prior measurements only; i.e. knowledge about wave conditions is not needed. In the present study, the procedure is examined on artificially simulated data that represents the measurements. It is shown that predictions, in most cases, can bemade fairly accurate up to 20 s ahead of current time; for longer periods ahead the accuracy reduces somewhat. The sensitivity to the amount of prior data is investigated.
Original languageEnglish
Title of host publicationProceedings of the Twenty-seventh (2017) International Ocean and Polar Engineering Conference
PublisherInternational Society of Offshore and Polar Engineers (ISOPE)
Publication date2017
Pages513-518
ISBN (Electronic)978-1-880653-97-5
Publication statusPublished - 2017
Event27th International Ocean and Polar Engineering Conference (2017) - San Francisco, United States
Duration: 25 Jun 201730 Jun 2017

Conference

Conference27th International Ocean and Polar Engineering Conference (2017)
CountryUnited States
CitySan Francisco
Period25/06/201730/06/2017
SeriesProceedings of the International Offshore and Polar Engineering Conference
ISSN1098-6189

Keywords

  • Marine operations
  • Safety
  • Responses
  • Prediction
  • Normal process
  • Autocorrelation

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