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)
    Country/TerritoryUnited 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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