State-space representation of radiation forces in time-domain vessel models

The paper presents a method for generating a new and efficient time-domain formulation of the equations of motion for a vessel with frequency-dependent hydrodynamic coefficients. Previous work on this topic has relied on the use of convolution terms, whereas in this work state-space models are used....

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Veröffentlicht in:	Ocean engineering 2005-12, Vol.32 (17), p.2195-2216
Hauptverfasser:	Kristiansen, Erlend, Hjulstad, Åsmund, Egeland, Olav
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Convolution integral Discretization Exact sciences and technology Frequency-dependent characteristics Ground, air and sea transportation, marine construction Marine Marine construction State-space realization Time-domain
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Beschreibung
Zusammenfassung:	The paper presents a method for generating a new and efficient time-domain formulation of the equations of motion for a vessel with frequency-dependent hydrodynamic coefficients. Previous work on this topic has relied on the use of convolution terms, whereas in this work state-space models are used. This leads to a model formulation that is well suited for controller design and simulation.
ISSN:	0029-8018 1873-5258
DOI:	10.1016/j.oceaneng.2005.02.009