Dynamic Obstacle Avoidance for Unmanned Underwater Vehicles Based on an Improved Velocity Obstacle Method [PDF]
Sensors, 2017 In view of a dynamic obstacle environment with motion uncertainty, we present a dynamic collision avoidance method based on the collision risk assessment and improved velocity obstacle method.
Wei Zhang +5 more
doaj +7 more sources
Autonomous Obstacle Avoidance Algorithm for Unmanned Surface Vehicles Based on an Improved Velocity Obstacle Method [PDF]
ISPRS International Journal of Geo-Information, 2021 Focusing on the collision avoidance problem for Unmanned Surface Vehicles (USVs) in the scenario of multi-vessel encounters, a USV autonomous obstacle avoidance algorithm based on the improved velocity obstacle method is proposed.
Jia Ren, Jing Zhang, Yani Cui
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Underwater Submarine Path Planning Based on Artificial Potential Field Ant Colony Algorithm and Velocity Obstacle Method [PDF]
Sensors, 2022 Navigating safely in complex marine environments is a challenge for submarines because proper path planning underwater is difficult. This paper decomposes the submarine path planning problem into global path planning and local dynamic obstacle avoidance.
Jun Fu, Teng Lv, Bao Li
doaj +4 more sources
Collision Avoidance of High-Speed Obstacles for Mobile Robots via Maximum-Speed Aware Velocity Obstacle Method [PDF]
IEEE Access, 2020 It is challenging for a mobile robot to avoid moving obstacles in dynamic environments. Traditional velocity obstacle methods do not fully consider the obstacles moving with the speeds larger than the maximum speed of the robot.
Tianye Xu +4 more
doaj +4 more sources
Velocity obstacle guided motion planning method in dynamic environments
Journal of King Saud University: Computer and Information SciencesThe ability of a robot to navigate through a dynamic environment, avoid obstacles, and reach its destination is crucial for safety and a major technological challenge in autonomous navigation, especially in crowded environments involving hospitals ...
Wanxin Liu +4 more
doaj +4 more sources
A Velocity Obstacle-Based Real-Time Regional Ship Collision Risk Analysis Method [PDF]
Journal of Marine Science and Engineering, 2021 Maritime accidents such as ship collisions pose continuous risks to individuals and society with due to their severe consequences on human life, economic and environmental losses, etc.
Pengfei Chen, Mengxia Li, Junmin Mou
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USV Dynamic Accurate Obstacle Avoidance Based on Improved Velocity Obstacle Method
Electronics (Switzerland), 2022 Unmanned surface vehicle (USV) path planning is a crucial technology for achieving USV autonomous navigation. Under global path planning, dynamic local obstacle avoidance has become the primary focus for safe USV navigation. In this study, a USV autonomous dynamic obstacle avoidance method based on the enhanced velocity obstacle method is proposed in ...
Zhou Hao
exaly +2 more sources
Real-Time Obstacle Avoidance for Manned/Unmanned Aircraft Cooperative System Based on Improved Velocity Obstacle Method [PDF]
Xibei Gongye Daxue Xuebao, 2020 To adapt the autonomous level of agents in current, and to perform the advantages of multi-agent in air combat, the form of manned/unmanned aircraft cooperative system has gradually become a hot topic.
Yue Li +3 more
doaj +2 more sources
Journal of Marine Science and Engineering, 2022 A ship collision risk assessment model is an essential part of ship safety navigation. At present, the open water collision risk assessment model (such as the closest point of approach) is applied, but a ship collision risk model suitable for inland ...
Yan Wang +3 more
doaj +3 more sources
Applied Sciences, 2022 Collision prevention is critical for navigational safety at sea, which has developed rapidly in the past decade and attracted a lot of attention. In this article, an improved velocity obstacle (IVO) algorithm for intelligent collision avoidance of ocean ...
Xingya Zhao +5 more
doaj +2 more sources