Results 1 to 10 of about 430 (143)

Simulation and experimental study on control strategy of zero-speed fin stabilizer based on disturbance and compensation. [PDF]

open access: yesPLoS ONE, 2018
Zero-speed fin stabilizer is applied to reduce the roll motion of ships at zero speed. This paper aims to explore the control strategy of zero-speed fin stabilizer through a composite method of theoretical analysis, simulations and tank tests.
Lihua Liang   +5 more
doaj   +2 more sources

Experimental study on the control form of fin stabilizer at zero speed. [PDF]

open access: yesPLoS ONE, 2019
The zero-speed fin stabilizer is used to stabilize the roll motion of the ship at full speed. It has two working modes, that is the lift-based normal anti-rolling mode and the drag-based zero-speed anti-rolling mode. Different force generation mechanisms
Songtao Zhang   +4 more
doaj   +2 more sources

Wavelet Neural Network-Based Half-Period Predictive Roll-Reduction Control Using a Fin Stabilizer at Zero Speed

open access: yesJournal of Marine Science and Engineering, 2023
Among the commonly used ship-stabilizing devices, the fin stabilizer is the most effective. Since the lift force of the conventional fin stabilizer is proportional to the square of the incoming flow velocity, it has a better anti-rolling effect at higher
Lihua Liang   +2 more
exaly   +3 more sources

L2-Gain Based Adaptive Robust Heel/Roll Reduction Control Using Fin Stabilizer during Ship Turns

open access: yesJournal of Marine Science and Engineering, 2021
The rolling and heeling experienced by a ship during turning will be more severe under the interference of winds and waves, which will seriously affect the navigation safety of the ship. The fin stabilizer is currently the best active anti-rolling device,
Zhang Songtao
exaly   +3 more sources

Numerical and Experimental Analysis of Lifting Forces of Fin Stabilizers with Fin–Hull Interaction

open access: yesJournal of Marine Science and Engineering
A fin stabilizer is one of the most effective and frequently used anti-roll devices for maintaining a ship’s operational safety and passengers’ comfort. However, the discrepancy between theoretical hydrofoil-based predictions and the actual dynamic lift ...
Qidong Fan, Long Yu, Xuefeng Wang
doaj   +2 more sources

Modulating yaw with an unstable rigid body and a course-stabilizing or steering caudal fin in the yellow boxfish (Ostracion cubicus) [PDF]

open access: yesRoyal Society Open Science, 2020
Despite that boxfishes have a rigid carapace that restricts body undulation, they are highly manoeuvrable and manage to swim with remarkably dynamic stability.
Pim G. Boute   +2 more
doaj   +2 more sources

Robust model predictive control employed to the container ship roll motion using fin-stabilizer

open access: yesCogent Engineering, 2016
The aim of this paper is to find the non-linear behavior of a container ship roll motion by using fin-roll stabilizer and robust model predictive control (RMPC).
Hamid Malekizade   +2 more
exaly   +2 more sources

Selection and evaluation of polar cruise fin stabilizer based on combination weighting-TOPSIS method

open access: yesZhongguo Jianchuan Yanjiu, 2021
Objectives Many factors should be taken into consideration in the selection of a fin stabilizer for a polar cruise ship, such as environmental adaptation and device performance, and it should not be chosen via subjective judgment.
Yunrui ZHAO   +4 more
doaj   +1 more source

Experimental and Numerical Resistance Analysis for a Cruise Ship W/O Fin Stabilizers

open access: yesJournal of Marine Science and Engineering, 2022
Applying fin stabilizers is an effective solution for ship rolls on waves in a seaway. They generally consist of one or two pairs of retractable fins that are symmetrically mounted to both sides of the ship, effectively reducing the roll motion at low or
Rulin Yao   +3 more
doaj   +1 more source

Empennage sizing with the tail volume complemented with a method for dorsal fin layout [PDF]

open access: yesINCAS Bulletin, 2021
Purpose: Provide good values for the tail volume coefficient and the lever arm as a percentage of the fuselage length. Provide a statistical method for dorsal fin layout.
Dieter SCHOLZ
doaj   +1 more source

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