Results 11 to 20 of about 562,440 (238)

Ship Collision Risk Assessment Based on Collision Detection Algorithm [PDF]

open access: yesIEEE Access, 2020
Ningbo Zhoushan port handled 1.08 billion tons cargoes in 2018 which is considered as the one of biggest ports in the world. There are more than 1 000 ships enter or depart the port per day. Therefore, it is of importance to assess the collision risk for
Dongdong Liu, Guoyou Shi
doaj   +3 more sources

A New Definition of a Collision Zone For a Geometrical Model For Ship-Ship Collision Probability Estimation [PDF]

open access: yesTransNav, 2011
In this paper, a study on a newly developed geometrical model for ship-ship collisions probabil-ity estimation is conducted. Most of the models that are used for ship-ship collision consider a collision be-tween two ships a physical contact between them.
Jakub Montewka   +2 more
doaj   +5 more sources

Ship structure collision experiments and simplified numerical calculation method [PDF]

open access: yesZhongguo Jianchuan Yanjiu
ObjectivesAlthough the fluid-structure interaction calculation method can better simulate the ship collision process, it requires a longer calculation time. To address this problem, a simplified numerical calculation method is proposed.
Ange LU   +5 more
doaj   +2 more sources

Automatic collision avoidance of ships [PDF]

open access: yes, 2008
One of the key elements in automatic simulation of ship manoeuvring in confined waterways is route finding and collision avoidance. This paper presents a new practical method of automatic trajectory planning and collision avoidance based on an artificial
Lee, B.S., Han, D., Xue, Y.
core   +4 more sources

A COLREGs-Compliant Ship Collision Avoidance Decision-Making Support Scheme Based on Improved APF and NMPC

open access: yesJournal of Marine Science and Engineering, 2023
In this paper, combined with the improved artificial potential field (IAPF) method and the nonlinear model predictive control (NMPC) algorithm, a collision avoidance decision-making support scheme considering ship maneuverability and the International ...
Haibin Li   +3 more
doaj   +1 more source

An Arsenal Ship Design [PDF]

open access: yes, 1996
Part of the TSSE Team 1996 - An Arsenal Ship Design ...
Baumann, G.   +14 more
core   +5 more sources

Measuring Ship Collision Risk in a Dense Traffic Environment [PDF]

open access: yesTransNav, 2019
Collision risk measurement is an essential topic for ship collision prevention. Many risk measures, i.e. DCPA/TCPA, etc., decouple the ship traffic into several pairs of ships and then evaluate the risk in each pair.
Yamin Huang, Pieter H.A.J.M. van Gelder
doaj   +1 more source

Step-by-Step Multi-Ship Collision Avoidance Navigation Path Planning Based on Particle Swarm Optimization

open access: yesJournal of Control Science and Engineering, 2022
In order to solve the problem that it is difficult to combine path planning with navigation rules in the process of multi-ship collision avoidance in wide waters, a step-by-step multi-ship collision avoidance path planning algorithm is proposed in this ...
Canglong Zhao
doaj   +1 more source

Collision Avoidance Decision Method for Unmanned Surface Vehicle Based on an Improved Velocity Obstacle Algorithm

open access: yesJournal of Marine Science and Engineering, 2022
To ensure navigation safety, unmanned surface vehicles (USVs) need to have autonomous collision avoidance capability. A large number of studies on ship collision avoidance are available, and most of these papers assume that the target ships keep straight
Yun Li, Haiyu Zhang
doaj   +1 more source

Ship Intrusion Collision Risk Model Based on a Dynamic Elliptical Domain

open access: yesJournal of Marine Science and Engineering, 2023
To improve navigation safety in maritime environments, a key step is to reduce the influence of human factors on the risk assessment of ship collisions by automating the decision-making process as much as possible.
Weifeng Li   +3 more
doaj   +1 more source

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