Person:
Esteban San Román, Segundo

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First Name
Segundo
Last Name
Esteban San Román
URI
https://hdl.handle.net/20.500.14352/78662
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Informática
Department
Arquitectura de Computadores y Automática
Area
Arquitectura y Tecnología de Computadores
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Author: Riola, M. × Subject: 004 ×

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    Improving fast-ship seakeeping using several moving actuators
    (Naval Architect, 2005) Esteban San Román, Segundo; Recas Piorno, Joaquín; Girón Sierra, José María; Cruz García, Jesús Manuel de la; Riola, M.
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    Fast ships models for seakeeping improvement studies using flaps and T-foil
    (Mathematical and Computer Modelling, 2005) Esteban San Román, Segundo; Girón Sierra, José María; Andrés Toro, Bonifacio de; Cruz García, Jesús Manuel de la; Riola, M.
    Fast ships are taking a relevant role with a clear interest for military purposes. Fast sea transportation encounters several problems to be solved. This article refers to the difficulties originated by brisk vertical motions. The waves encountered by fast ships induce such vertical motions, and this has negative effects: navigation risks, sea sickness, structural damages, and load displacement. It is also interesting for military uses to stabilize the ship when an aircraft is landing or when precision firing is required. By means of submerged actuators, it is possible to alleviate vertical motions. In this research, a pair of transom flaps and a T-foil near the bow are used to counteract the waves. These actuators must move with the maximum efficiency, taking into account the dynamical characteristics of the ship. As a consequence, there is a problem of automatic control design. To carry out this design, it is important to obtain mathematical models of all the aspects involved in the problem: the ship, the waves, the actuators, and the effect on crew and comfort. The aim of this paper is to present the development of these models and the use of them for problem analysis and control design.