A Nonlinear Observer for Estimating Transverse Stability Parameters of Marine Surface Vessels

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

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This paper presents a nonlinear observer for estimating parameters associated with the restoring term of a roll motion model of a marine vessel in longitudinal waves. Changes in restoring, also referred to as transverse stability, can be the result of changes in the vessel’s centre of gravity due to, for example, water on deck and also in changes in the buoyancy triggered by variations in the water-plane area produced by longitudinal waves – propagating along the fore-aft direction along the hull. These variations in the restoring can change dramatically the dynamics of the roll motion leading to dangerous resonance. Therefore, it is of interest to estimate and detect such changes.
Original languageEnglish
Title of host publicationProceedings of the 18. IFAC World Congress
Publication date2011
Pages2967-2971
ISBN (print)978-3-902661-93-7
DOIs
StatePublished

Conference

Conference18th World Congress of the International Federation of Automatic Control
Number18
CountryItaly
CityMilano
Period28/08/1102/09/11
Internet addresshttp://www.ifac2011.org/
CitationsWeb of Science® Times Cited: No match on DOI

Keywords

  • Nonlinear observer, Parameter estimation, Marine systems, Parametric resonance
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