Results 21 to 30 of about 9,571 (299)
Machines, 2022 This paper proposes a method for the online parameter identification of nonlinear ship motion systems. First, the motion system of a ship is nonlinear, and in the course of sailing, the motion parameters of the ship will change with the change of the ...
Jian Zheng +4 more
doaj +1 more source
Numerical and Testing Analysis of Fin Stabilizers of A Medium Sized Cruise Ship with Overset Grids
Shanghai Jiaotong Daxue xuebao, 2023 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
doaj +1 more source
Journal of Marine Science and Engineering, 2023 In order to reduce the offshore wind power operation and maintenance vessel motion induced by severe sea states, a suitable stabilizer with the ship based on linear quadratic regulator strategy is proposed in this paper. First of all, the dynamics of the
Jia Yuan +5 more
doaj +1 more source
Guidance-Based Path Following of an Underactuated Ship Based on Event-Triggered Sliding Mode Control
Journal of Marine Science and Engineering, 2022 In this paper, the path following of an underactuated ship as a fundamental application for autonomous sailing in seaways is studied. First, the guidance system based on the line of sight (LOS) method is established to handle underactuated dynamics of ...
Yuxi Zhang, Yong Liu
doaj +1 more source
Ship Roll Damping Control [PDF]
, 2012 The technical feasibility of roll motion control devices has been amply demonstrated for over 100 years. Performance, however, can still fall short of expectations because of difficulties associated with control system designs, which have proven to be ...
Blanke, Mogens, Perez, Tristan
core +1 more source
The numerical study on active control strategies of T-foil
Zhongguo Jianchuan Yanjiu, 2021 ObjectivesAn active control T-foil can effectively improve the longitudinal anti-rolling motion of the ship, but there is still no conclusion on what control strategy has the best anti-rolling effect.
Yichen JIANG +4 more
doaj +1 more source
L2-Gain Based Adaptive Robust Heel/Roll Reduction Control Using Fin Stabilizer during Ship Turns
Journal 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, Zhao Peng
doaj +1 more source
Motion control of multiple autonomous ships to approach a target without being detected
International Journal of Advanced Robotic Systems, 2018 We introduce a motion control which is a stealth strategy of a team of autonomous ships to approach a target without being detected. The target is equipped with a radar to detect a nearby ship. In the team, one ship, the leader, has a stealth ability not
Jonghoek Kim, Sanghoek Kim
doaj +1 more source
Ship roll stabilization control with low speed loss
, 2014 Large roll motion induced by waves can severely affect the ability of vessels and the speed will loss due to added resistance which caused by ship motions, especially in moderate to high sea states. With increasing needs of fuel efficiency and greenhouse
Zhiquan Liu +7 more
core +1 more source
Sensitivity analysis method of ship hydrodynamic derivatives based on intelligent control
Zhongguo Jianchuan Yanjiu, 2021 ObjectivesIn order to obtain a simplified mathematical model of ship motion for intelligent control, this paper takes a Mariner-class vessel as the research object and proposes a sensitivity analysis method combining the standard maneuverability test and
Zilu OUYANG +3 more
doaj +1 more source