Virtual sensing and strain estimation on an offshore wind turbine using supervised learning

Marius Tarpø, Sandro Amador, Evangelos Katsanos, Mattias Skog, Johan Gjødvad, Rune Brincker

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    Abstract

    Virtual sensing enables expansion and transformation of measured quantities from physical sensors into new quantities at unmeasured locations. This allows for estimating the strain and stress in unmeasured locations of a system by transforming the physical sensors (input) into the desired strain and stress response (output). This transformation model can be based on either knowledge of the systems, data from the system, or any combination of these. In this paper, supervised learning and data-driven models are applied to strain estimation of an offshore wind turbine through Principal Component Analysis (PCA). Training data are used to establish the data-driven model that enables a versatile strain estimation that functions well under different wind scenarios than the training data set.
    Original languageEnglish
    Title of host publicationCOMPDYN 2021 : 8th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
    Volume2021
    Publication date2021
    Pages2112-2120
    Publication statusPublished - 2021
    Event8th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering - Online, Athens, Greece
    Duration: 28 Jun 202130 Jun 2021
    Conference number: 8

    Conference

    Conference8th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
    Number8
    LocationOnline
    Country/TerritoryGreece
    CityAthens
    Period28/06/202130/06/2021
    SeriesCOMPDYN Proceedings
    ISSN2623-3347

    Keywords

    • Data-driven model
    • Principal component analysis
    • Stress estimation
    • Structural health monitoring
    • Virtual sensing

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