Roll Stability Recovery Performance of Underwater Bluff-Body with Tilting Angle Variations

Jin Hyo An; Choon Young Lee; Gyu Man Kim; Young Joong Lee; Cheol Woo Park

doi:10.4028/www.scientific.net/KEM.516.426

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 516Roll Stability Recovery Performance of Underwater...

Roll Stability Recovery Performance of Underwater Bluff-Body with Tilting Angle Variations

Abstract:

In the present study, we experimentally investigated the roll stability recovery performance of a vehicle at various tilting angles. The vehicle was ultimately targeted to contain a velocity-field measurement system in underwater conditions, which should confirm stationary buoyancy during measurement. We employed two small gear-rack ax mountings on a weighted mass as the actuating system inside the bluff-body. Speed and movement were feedback controlled by the activating electronic motor system. The feedback algorithm used tilting action signals from an inclinometer sensor installed in the central region of the vessel shell. As a result, the bluff-body vessel effectively recovered self-stabilizing positions against the tilting action.

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Periodical:

Key Engineering Materials (Volume 516)

Pages:

426-430

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.516.426

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Online since:

June 2012

Authors:

Jin Hyo An, Choon Young Lee, Gyu Man Kim, Young Joong Lee, Cheol Woo Park

Keywords:

Feedback Control, Roll Stability, Self-Stabilizing, Stationary Buoyancy, Tilting Action

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