Results 91 to 100 of about 2,129 (204)

Path Planning of an Autonomous Surface Vehicle based on Artificial Potential Fields in a Real Time Marine Environment [PDF]

, 2017
With growing advances in technology and the everyday dependence on oceans for resources, the role of unmanned marine vehicles has increased many a fold. Extensive operations having naval, civil and scientific applications are being undertaken and demands
Hatton, D, Sharma, S, Singh, Y, Sutton, R   +3 more
core   +1 more source

Advanced APF-based collision avoidance and route restoration for large commercial ships under COLREGs

Results in Engineering
To address the key gap in existing artificial potential field (APF)-based ship collision avoidance (CA) research—specifically the lack of methods that concurrently account for large-ship maneuverability and COLREGs compliance while ensuring reliable post-
Zhongxian Zhu, Bo Tao, Chunlei Liu, Huan Liu, Yu Wang, Jianhui Cui   +5 more
doaj   +1 more source

Assessment of safety of water craft in Lake Kainji, Nigeria [PDF]

, 2007
Assessment of Safety of Water Craft in Lake Kainji was conducted. A total of 50 questionnaires were administered to five randomly selected fishing areas along the lake.
Abubakar, S., Ahmed, Y.B., Bako, M.M.
core  

CPA Calculation Method based on AIS Position Prediction [PDF]

The information on the Closest Point of Approach (CPA) is required in a potential collision situation as it determines the risk to each vessel. CPA is usually calculated based on the speed and direction of the approaching ship neglecting the Change Of ...
Mao, Z, Sang, L-Z, Wall, A, Wang, J, Yan, X-P   +4 more
core   +1 more source

Maritime Collision Regulations as a Structure for Space Travel [PDF]

, 2023
The exploration of space via manned and unmanned missions has been almost constant since the mid-20th century. With developing technology and the advent of private actors in space travel, the emerging problem of space traffic requires some form of ...
Paruchuru, Swathi
core   +1 more source

Deep Learning Toward Autonomous Ship Navigation and Possible COLREGs Failures [PDF]

Journal of Offshore Mechanics and Arctic Engineering, 2019
Abstract A structured technology framework to address navigation considerations, including collision avoidance, of autonomous ships is the focus of this study. That consists of adequate maritime technologies to achieve the required level of navigation integrity in ocean autonomy.
openaire   +2 more sources

Innovative way of teaching COLREGs

, 2016
"Avoiding Collisions at Sea" (ACTs) was a project funded by the European programme "Leonardo da Vinci" and is managed by Faculty of Maritime Studies, University of Rijeka, Croatia. Other partners who are participating in this project are from United Kingdom, Spain, Slovenia, Bulgaria and Turkey. The goal of this project was to detect gaps in knowledge,
Barić, Mate, Mohović, Đani
openaire   +2 more sources

Autonomous decision-making method of unmanned ship based on improved DDPG algorithm

Zhongguo Jianchuan Yanjiu
ObjectivesTo enhance the safety and efficiency of maritime traffic, this paper proposes an autonomous collision avoidance decision-making method for unmanned ships based on an enhanced Deep Deterministic Policy Gradient (DDPG) algorithm. Methods In order
Wei GUAN, Shuhui HAO, Zhewen CUI, Miaomiao WANG   +3 more
doaj   +1 more source

Unmanned Surface Vehicle Collision Avoidance Path Planning in Restricted Waters Using Multi-Objective Optimisation Complying with COLREGs. [PDF]

Sensors (Basel), 2022
Gu Y, Rong Z, Tong H, Wang J, Si Y, Yang S.   +5 more
europepmc   +1 more source

A Novel Reinforcement Learning Collision Avoidance Algorithm for USVs Based on Maneuvering Characteristics and COLREGs. [PDF]

Sensors (Basel), 2022
Fan Y, Sun Z, Wang G.
europepmc   +1 more source