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A Maneuvering Test Platform Conceptual Design

[+] Author Affiliations
Carlos Antônio Levi, Waldir Terra Pinto, Joel Sena Sales Junior, Paulo Roberto da Costa, Thiago Reis Miliante

COPPE/UFRJ, Rio de Janeiro, RJ, Brazil

Sebastião C. P. Gomes, Vagner Santos da Rosa, Vitor Irigon Gervini

FURG, Rio Grande, RS, Brazil

Gerson Beraldo Matter

Petrobras, Rio de Janeiro, RJ, Brazil

Paper No. OMAE2007-29631, pp. 725-733; 9 pages
doi:10.1115/OMAE2007-29631
From:
  • ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering
  • Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design
  • San Diego, California, USA, June 10–15, 2007
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 0-7918-4267-3 | eISBN: 0-7918-3799-8
  • Copyright © 2007 by ASME

abstract

This work discusses the conceptual design of a maneuvering test platform to be installed at the LABOCEANO ocean basin. The platform features a 35m long main bridge, crossing over the whole basin width. A secondary trolley runs along the main bridge, connected to the model. The combination of the bridge and trolley motions can impose a very flexible range of trajectories to the model. The trolley will be equipped with special devices which enable the imposition of harmonic motion up to four degrees of freedom simultaneously. The platform technical specification includes longitudinal and transversal velocities up to 1 m/s, acceleration up to 0.2 m/s, and maximum trajectory diameter of 26m. The amplitude and frequency of the forced harmonic motion may read 0.5 m and 0.2 Hz for surge and sway; 0.15 m and 2 Hz in heave; 10 degrees and 2 Hz in roll and pitch; and 30 degrees and 0.5 Hz in yaw. The work features a general description of the platform design with special emphasis in the structural, mechanical, control and safety aspects.

Copyright © 2007 by ASME

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