Results 71 to 80 of about 999,578 (171)

Algorithm of Berthing and Maneuvering for Catamaran Unmanned Surface Vehicle Based on Ship Maneuverability

, 2021
In the complex port environment, ship berthing manipulation is one of the most difficult operations. In this study, an algorithm of berthing and maneuvering was designed for a catamaran unmanned surface vehicle (USV), which is used for port patrol and ...
Guofu Li, Mingyuan Zhao, ZhiWen Hu, Yu Cong, Gongxing Wu   +4 more
core   +1 more source

Path planning for auto docking of underactuated ships based on Bezier curve and hybrid A* search algorithm

Zhongguo Jianchuan Yanjiu
ObjectiveThis paper develops a multi-stage path planning algorithm for the auto docking operation of an underactuated surface vehicle (USV). As one of the most difficult tasks, docking requires advanced maneuvering skills.
Zhihuan HU, Ziheng YANG, Weidong ZHANG
doaj   +1 more source

Improving Spatiotemporal Accuracy of Port Air Quality Monitoring Using GCN-Att Fusion Model

Journal of Engineering, Project, and Production Management
The contradiction between dynamic pollution events in ports and the assumption of a static graph structure leads to a significant decline in the prediction performance of existing Graph Convolutional Network-Attention (GCN-Att) models under abrupt change
Shoubo Zhang, Pingwei Zhou, Guannan Xu, Zongtao Mu, Dong Wang   +4 more
doaj   +1 more source

A novel method for the evaluation of ship berthing risk using AIS data

The assessment of ship berthing risk, encompassing the potential for berthing collisions and unforeseen events, holds paramount importance in the realm of waterway traffic management and maritime surveillance. However, existing methods for analyzing ship
Mao, Wengang,, Lin, B.,, Wu, Da, Zhang, Mingyang,, Zheng, Mao, Zheng, Mao,, Chu, Xiumin, Mao, Wengang, Zhang, Mingyang, Wu, Da,, Lin, Bowen, Chu, Xiumin,   +11 more
core   +1 more source

Automatic collision avoidance: towards the 21st century

, 1995
The importance of collision avoidance at sea is emphasised to cover four main aspects. A brief review of the research that has been carried out on automatic collision avoidance systems follows.
Wilson, P.A., Zhao, J., Price, W.G.
core   +2 more sources

A combined method for GPS ambiguity resolution with single frequency receivers : application for ship berthing

, 2000
In this research, GPS phase ambiguity resolution for single-frequency receivers was investigated for the berthing of a large merchant ship. The use of cheaper single-frequency receivers would be of great interest to the shipping industries. Two different
Ueno, Mami, Santerre, Rock
core   +1 more source

Design of an adaptive backstepping controller for auto-berthing a cruise ship under wind loads

, 2014
The auto-berthing of a ship requires excellent control for safe accomplishment. Crabbing, which is the pure sway motion of a ship without surge velocity, can be used for this purpose.
Jong-Yong Park, Nakwan Kim
core   +1 more source

Formulating Cybersecurity Requirements for Autonomous Ships Using the SQUARE Methodology. [PDF]

Sensors (Basel), 2023
Yoo J, Jo Y.
europepmc   +1 more source

Automatic Ship Berthing Based on Fuzzy Logic

INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS, 2019
Van Suong Nguyen, Nam Kyun Im
openaire   +2 more sources

Quantitative analysis of the impact of COVID-19 on ship visiting behaviors to ports- A framework and a case study. [PDF]

Ocean Coast Manag, 2022
Wang X, Liu Z, Yan R, Wang H, Zhang M.
europepmc   +1 more source