Interval Modelling of a High Speed Craft for Robust Control

Aranda Almansa, Joaquín, Cruz García, Jesús Manuel de la, Díaz Martínez, José Manuel y Ruipérez García, Pablo . (2000) Interval Modelling of a High Speed Craft for Robust Control. 2nd International Congress on Maritime Technological Innovations and Research

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Título Interval Modelling of a High Speed Craft for Robust Control
Autor(es) Aranda Almansa, Joaquín
Cruz García, Jesús Manuel de la
Díaz Martínez, José Manuel
Ruipérez García, Pablo
Palabras clave Interval Modelling
High Speed Craft
Robust Control
Editor(es) Piniella, F.; Bocanegra, A.; Oliviella, J.; Dodríguez-Matos, R.
Colaborador Universidad de Cádiz
Fecha 2000-01-01
Identificador ACDR2000
bibliuned:602
Publicado en la Revista 2nd International Congress on Maritime Technological Innovations and Research
Idioma eng
Versión de la publicación publishedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto
Notas adicionales The interval transfer functions described in this job is interpreted as a family of transfer functions whose coefficients are bounded by some know intervals and centred at nominal values. The nominal model is obtained by a non-lineal least square algorithm applied in the frequency domain. Test in regular and irregular waves was made in the towing tank of CEHIPAR (Canal de Experiencias Hidrodinámicas de El Pardo). The sinusoidal motions of the model were recorded to determine the motion amplitudes experienced for a variety of different waves frequencies. The incident waves were measured using a wave probe mounted on the towing carriage. Low frequency constrained for pitch and heave was considered. Once the nominal model was obtained, then the tightest intervals around each coefficient of the nominal transfer functions were created while satisfying the membership and frequency response requirements. Different model validation tests was made (magnitude and phase plots, frequency envelope of the interval model, simulations). These tests show that the uncertainty model obtained is a valid interval model and it can be used for robust control design..

 
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Creado: Tue, 13 Nov 2007, 13:36:02 CET