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L1 Adaptive Manoeuvring Control of Unmanned High-speed Water Craft

    • Technical University of Denmark

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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    Abstract

    This work addresses the issue of designing an adaptive robust control system to govern the steering of a high speed unmanned personal watercraft (PWC) maintaining equal performance across the craft’s envelope of operation. The maneuvering dynamics of a high speed PWC is presented and a strong variation over the envelope of operational conditions, including speed, is highlighted. The complexity of the nonlinear dynamics is overcome through identification of linear models at different speed regimes. A gray-box identification is conducted from full scale experiments and results in a four degrees-of-freedom surge-sway-yaw-roll model. An L1 adaptive autopilot is then designed, which allows to achieve fast adaption to system parameters’ changes and robustness of the closed loop system.
    Original languageEnglish
    Title of host publicationProceedings of the 9th IFAC Conference on Manoeuvring and Control of Marine Crafts
    PublisherInternational Federation of Automatic Control
    Publication date2012
    Pages144-151
    ISBN (Print)978-3-902823-60-1
    DOIs
    Publication statusPublished - 2012
    Event9th IFAC Conference on Manoeuvring and Control of Marine Craft - Grand Hotel Arenzano, Arentzano, Italy
    Duration: 19 Sept 201221 Sept 2012
    Conference number: 9
    https://www.sciencedirect.com/journal/ifac-proceedings-volumes/vol/45/issue/27

    Conference

    Conference9th IFAC Conference on Manoeuvring and Control of Marine Craft
    Number9
    LocationGrand Hotel Arenzano
    Country/TerritoryItaly
    CityArentzano
    Period19/09/201221/09/2012
    Internet address

    Keywords

    • L1 adaptive control
    • Grey-box identification
    • LPV systems
    • Unmanned vehicles
    • High-speed maneuvering

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