Results 21 to 30 of about 747,597 (268)

A Comprehensive Review of Ship Collision Risk Assessment and Safety Index Development

Safety
Ship collision accidents remain a critical concern in maritime safety because of their potential to cause operational disruption as well as environmental and economic damage in areas with dense shipping activity. Complex traffic interactions, differences
Muhamad Imam Firdaus, Muhammad Badrus Zaman, Raja Oloan Saut Gurning   +2 more
doaj   +2 more sources

Physics-Driven Collision Risk Evaluation of Autonomous Surface Vehicles Using Quaternion Ship Domain and Geometric-Temporal Indicators

Journal of Marine Science and Engineering
With the rapid advancement of artificial intelligence and computational technologies, collision risk assessment remains a key challenge for Autonomous Surface Vehicles (ASVs).
Zongkai Wang, Wenyan Huang, Namkyun Im
doaj   +2 more sources

Calculation of Ship Collision Risk Index Based on Adaptive Fuzzy Neural Network [PDF]

Proceedings of the 2018 3rd International Conference on Modelling, Simulation and Applied Mathematics (MSAM 2018), 2018
This paper combines adaptive fuzzy system and neural network to construct an adaptive fuzzy neural network. Using DCPA, TCPA raw data, speed (V), heading (C), angle (Q), distance (D) as the training input of the network, and comparing the learning ...
Jun Ning, Wei Li, Chunze Li
openaire   +2 more sources

Novel Safety Index Calculation Models for Ship Collision Risk Assessment to Enable Sustainable Maritime Transportation

Sustainability
Maritime safety is a key element of sustainable maritime transportation, particularly in strait regions with dense vessel traffic and dynamic environmental conditions that increase collision risk. Based on historical records, ship collisions can result in severe human casualties, environmental pollution, cargo and infrastructure damage, operational ...
Muhamad Imam Firdaus, Muhammad Badrus Zaman, Raja Oloan Saut Gurning   +2 more
openaire   +2 more sources

Inference Rule of Collision Risk Index based on Ship Near-Collision via Adaptive Neuro Fuzzy Inference System [PDF]

Advances in Science, Technology and Engineering Systems Journal, 2019
Ho Namgung
openaire   +2 more sources

Study on the influence of near-fault vertical ground motion on the dynamic response of separation and collision of bridge [PDF]

Scientific Reports
This study examines the contact nonlinear behavior of multi-span girder bridges in near-fault regions through dynamic analysis, evaluating the impact of seismic parameters such as excitation amplitude, period, and apparent wave velocity on structural ...
Xuerong Liu, Leilei Li, Yang Liu, Shuigen Chen, Wenjun An   +4 more
doaj   +2 more sources

MULTI-VESSELS COLLISION AVOIDANCE STRATEGY FOR AUTONOMOUS SURFACE VEHICLES BASED ON GENETIC ALGORITHM IN CONGESTED PORT ENVIRONMENT

Brodogradnja, 2022
An improved genetic collision avoidance algorithm is proposed in this study to address the problem that Autonomous Surface Vehicles (ASV) need to comply with the collision avoidance rules at sea in congested sea areas.
Gongxing Wu, Yuchao Li, Chunmeng Jiang, Chao Wang, Jiamin Guo, Rui Cheng   +5 more
doaj   +1 more source

An integrated vision-based dynamic collision risk assessment framework of workers and mobile machinery on construction site

Journal of Civil Engineering and Management
The concepts of environmental impact index and spatial conflict degree have gained prominence in enhancing the controllability of collision accidents and mitigating the likelihood of collisions during construction processes.
Xingrong Gao, Wenjing Kang, Yunting Liu, Qian Zhang, Ting-Kwei Wang   +4 more
doaj   +2 more sources

A Field Theory-Based Novel Algorithm for Navigational Hazard Index

Journal of Marine Science and Engineering, 2023
Collision risk assessment is crucial for autonomous ships to identify risks and make decisions for collision avoidance. In this paper, a field theory-based navel algorithm is proposed to define and describe the risk of ship collision.
Yihua Liu, Yu Ma
doaj   +1 more source

Modeling of Ship Collision Risk Based on Cloud Model

IEEE Access, 2020
Existing models for assessing ship collision risk involve complex calculations that complicate the simultaneous qualitative and quantitative analysis of the factors affecting ship navigation safety.
Hongdan Liu, Lanyong Zhang, Sheng Liu
doaj   +1 more source