Results 11 to 20 of about 2,278 (100)

Optimization-Based Automatic Docking and Berthing of ASVs Using Exteroceptive Sensors: Theory and Experiments

open access: yesIEEE Access, 2020
Docking of autonomous surface vehicles (ASVs) involves intricate maneuvering at low speeds under the influence of unknown environmental forces, and is often a challenging operation even for experienced helmsmen.
Andreas B. Martinsen   +3 more
doaj   +1 more source

Optimization of LNG terminal parameters for a wide range of gas tanker sizes: the case of the port of Świnoujście [PDF]

open access: yesArchives of Transport, 2019
LNG terminals are built to handle tankers of specific size, with cargo capacities within a narrow scope. This is related to the differences in cargo, fender and mooring systems used for LNG tanker handling of various sizes. The research problem solved in
Stanisław Gucma, Maciej Gucma
doaj   +1 more source

Research on the Decision-Making and Control System Architecture for Autonomous Berthing of MASS

open access: yesJournal of Marine Science and Engineering
Autonomous berthing is a critical phase in the fully autonomous navigation process of MASS (Maritime Autonomous Surface Ship). However, the autonomous berthing stage of MASS is significantly influenced by environmental factors and involves a wide range ...
Haoze Zhang   +3 more
doaj   +1 more source

Autonomous berthing control of tugboat based on improved backstepping sliding mode control algorithm

open access: yesZhongguo Jianchuan Yanjiu
ObjectiveAiming at the problem of the autonomous berthing control of tugboats, this study focuses on the application of a target tracking control strategy based on virtual leadership.
Jialun LIU   +4 more
doaj   +1 more source

A Review of Autonomous Berthing Technology for Ships

open access: yesJournal of Marine Science and Engineering
Autonomous berthing technology is a crucial engineering control problem within the ship intelligence system, encompassing a series of complex operations and technologies.
Jiangliu Cai   +5 more
doaj   +1 more source

Ship Autonomous Berthing Strategy Based on Improved Linear-Quadratic Regulator

open access: yesJournal of Marine Science and Engineering
There has been significant interest in the research field of ship automatic navigation, particularly in the area of autonomous berthing. To address the key challenges of path planning and control during ship berthing, we propose an enhanced Linear ...
Jian Yin   +4 more
doaj   +1 more source

Research into the Automatic Berthing of Underactuated Unmanned Ships under Wind Loads Based on Experiment and Numerical Analysis

open access: yesJournal of Marine Science and Engineering, 2019
With the continuous improvement of unmanned ship automation requirements, research into the automatic berthing of underactuated unmanned ships has important theoretical significance and practical value.
Zaiji Piao, Chen Guo, Shuang Sun
doaj   +1 more source

Development of Automatic Berthing Support Program for Autonomous Ships

open access: yesApplied Sciences
Research on autonomous ships has primarily focused on developing response technologies for navigation from pilot station to pilot station. This study developed an automatic berthing support program that calculates the necessary thruster output values for
Byung-Sun Kang   +5 more
doaj   +1 more source

Null-space-based active disturbance rejection control allocation for ship autonomous berthing

open access: yesZhongguo Jianchuan Yanjiu
ObjectiveThis paper proposes a null-space-based active disturbance rejection control (ADRC)allocation method to analyze the influence of multi-source disturbances encountered during the autonomous berthing of ships, such as environmental loads, bank ...
Ling YANG, Haixiang XU, Wenzhao YU
doaj   +1 more source

A DDQN-Guided Dual-Population Evolutionary Multitasking Framework for Constrained Multi-Objective Ship Berthing

open access: yesJournal of Marine Science and Engineering
Autonomous ship berthing requires advanced path planning to balance multiple objectives, such as minimizing berthing time, reducing energy consumption, and ensuring safety under dynamic environmental constraints.
Jinyou Mou, Qidan Zhu
doaj   +1 more source

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