Results 1 to 10 of about 2,278 (100)

A Review of Autonomous Tugboat Operations for Efficient and Safe Ship Berthing

open access: yesJournal of Marine Science and Engineering, 2023
Autonomous ship technology, which includes real-time monitoring, satellite communication, and automatic navigation, is rapidly advancing. Despite significant research on single unmanned ships, there is a lack of studies on complex tasks, such as ship ...
Jun-Hyuk Choi   +2 more
doaj   +1 more source

An overview of developments and challenges for unmanned surface vehicle autonomous berthing

open access: yesComplex & Intelligent Systems, 2023
With the continuous progress of contemporary science and technology and the increasing requirements for marine vehicles in various fields, the intelligence and automation of ships have become a general trend.
Gongxing Wu   +4 more
doaj   +1 more source

Trajectory Optimization for Autonomous Berthing of a Twin-Propeller Twin-Rudder Ship

open access: yes한국해양공학회지, 2023
Autonomous berthing is a crucial technology for autonomous ships, requiring optimal trajectory planning to prevent collisions and minimize time and control efforts.
Changyu Lee, Jinwhan Kim
doaj   +1 more source

Ship Autonomous Berthing Simulation Based on Covariance Matrix Adaptation Evolution Strategy

open access: yesJournal of Marine Science and Engineering, 2023
Existing research on auto-berthing of ships has mainly focused on the design and implementation of controllers for automatic berthing. For the real automatic docking processes, not only do external environmental perturbations need to be taken into ...
Guoquan Chen, Jian Yin, Shenhua Yang
doaj   +1 more source

Model Reference Adaptive Control-Based Autonomous Berthing of an Unmanned Surface Vehicle under Environmental Disturbance

open access: yesMachines, 2022
Surface-vehicle berthing is a complex and challenging task. It involves complicated ship dynamics owing to a large drift angle and the time-varying environmental disturbances induced by wind, wave, and current.
Seungdae Baek, Joohyun Woo
doaj   +1 more source

Autonomous Berthing of Unmanned Surface Vehicles Based on Improved Dubins-RRT Algorithm and Non-Singular Terminal Sliding Mode Control

open access: yesIEEE Access, 2023
Autonomous berthing is the last step to achieving the autonomous operation of unmanned surface vehicles (USVs). Due to the significant disturbance of wind, waves, and currents and the uncertainties of the model, it is difficult to realize autonomous ...
Feifei Song   +2 more
doaj   +1 more source

CFD Simulation of the Safety of Unmanned Ship Berthing under the Influence of Various Factors

open access: yesApplied Sciences, 2021
The safety of unmanned ship berthing is of paramount importance. In order to explore the influence of wind and wave coupling, a berthing computational fluid dynamics (CFD) model was established, and the characteristics of speed field, pressure field, and
Guoquan Xiao   +5 more
doaj   +1 more source

Automated Docking for Marine Surface Vessels—A Survey

open access: yesIEEE Access, 2023
Research on motion control systems for marine surface vessels has generated a vast academic literature and many industrial applications since the early 20th century.
Simon J. N. Lexau   +2 more
doaj   +1 more source

Consistently Trained Artificial Neural Network for Automatic Ship Berthing Control [PDF]

open access: yesTransNav, 2015
In this paper, consistently trained Artificial Neural Network controller for automatic ship berthing is discussed. Minimum time course changing manoeuvre is utilised to ensure such consistency and a new concept named ?virtual window? is introduced.
Yaseen Adnan Ahmed, Kazuhiko Hasegawa
doaj   +1 more source

Editorial [PDF]

open access: yesJournal of Eta Maritime Science, 2019
Autonomous Ships from the Editor's Perspective The number of computer-aided systems on boards is gradually increasing and the number of people on board is decreasing as a result of the technological development.
Selçuk NAS, Remzi Fışkın
doaj   +1 more source

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