Adaptive Neural Network Control of Zero-Speed Vessel Fin Stabilizer Based on Command Filter
This paper proposes a zero-speed vessel fin stabilizer adaptive neural network control strategy based on a command filter for the problem of large-angle rolling motion caused by adverse sea conditions when a vessel is at low speed down to zero.
Ziteng Sun, Chao Chen, Guibing Zhu
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Influence of Electric Wing Tip Propulsion on the Sizing of the Vertical Stabilizer and Rudder in Preliminary Aircraft Design [PDF]
During preliminary aircraft design, the vertical tail sizing is conventionally conducted by the use of volume coefficients. These represent a statistical approach using existing configurations’ correlating parameters, such as wing span and lever arm, to ...
Alexander Albrecht +5 more
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Modelling, Simulation and Controller Design for Hydraulically Actuated Ship Fin Stabilizer Systems
In general, hydraulic systems that are used for ship fin stabilizers and rudders, are modelled as first or second order of linear equations to obtain only system’s delay and overshoot for controlling purposes.
Zihnioglu Alper +4 more
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Numerical and Testing Analysis of Fin Stabilizers of A Medium Sized Cruise Ship with Overset Grids
Fin stabilizers represent an effective solution to address the roll motion of ships and improve the comfort of passengers on cruise ships. These devices typically comprise of one or two pairs of retractable fins, symmetrically mounted on either side of ...
YAO Rulin, FAN Qidong, YU Long, WANG Xuefeng
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Analysis and troubleshooting of fin stabilizer shutdown
Abstract Starting from an accident of overload trip and shutdown of fin stabilizer main motor caused by fin stabilizer fault, this paper studies the working principle of this type of fin stabilizer hydraulic system and electrical control system, analyzes the root cause of the fault, introduces the fault treatment method and process in ...
Shuren Wang +3 more
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Predictive Control for a Fin Stabilizer [PDF]
A predictive controller can solve a control problem related to a disturbance-dominant system such as roll stabilization of a ship in waves. In this paper, a predictive controller is developed for a fin stabilizer. Future wave-induced moment is modeled simply using two typical regular wave components for which six parameters are identified by the ...
Hyeon-Kyu Yoon +2 more
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Fin-Rudder Joint Control Based on Improved Linear-Quadratic-Regulator Algorithm
Navigation accidents and disasters frequently occur when ships sail at sea owing to extreme weather, wind, and wave conditions. The disturbance of wind and waves affects the stability of the ship’s course and makes the ship roll violently.
Yuhan Zhao +3 more
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Controller Design for Roll Motion of a Planing Hull From a Safe Transportation Perspective
The issue of safe navigation in the maritime sector is becoming more important day by day. This situation is valid not only in terms of passenger and cargo transportation, but also in different maritime operations.
Hakan Demirel, Fuat Alarçin
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An Overview of Roll Stabilizers and Systems for Their Control [PDF]
Ship roll motion in waves can be characterized as a strongly non-linear and multivariable dynamic process which is more affected by disturbances, in general, than by the maximal controlling parameter.
Krzysztof Kula
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Integrated Rudder/Fin Control With Disturbance Compensation Distributed Model Predictive Control
For the ship sailing in the seaway, usually the rudder is used to control the heading and the fin stabilizer is used to reduce rolling. However, there are interactions between their control effects, which usually deteriorate the control performance.
Lihua Liang, Yu Wen
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