Results 41 to 50 of about 5,382,787 (174)

Collision avoidance planning for unmanned surface vehicle based on eccentric expansion

International Journal of Advanced Robotic Systems, 2019
The International Regulations for Preventing Collisions at Sea (COLREGS) specify certain navigation rules for ships at risk for collision. Theoretically, the safety of unmanned surface vehicles and traffic boats would be guaranteed when they comply with ...
Lifei Song, Zhuo Chen, Zaopeng Dong, Zuquan Xiang, Yunsheng Mao, Yiran Su, Kai Hu   +6 more
doaj   +1 more source

An Unmanned Vessel Path Planning Method for Floating-Waste Cleaning Based on an Improved Ant Colony Algorithm

Journal of Marine Science and Engineering
Efficient cleaning of floating waste using an intelligent unmanned surface vehicle is an important development trend in inland water governance. Path planning is the core of the decision-making module for unmanned surface vehicle waste cleaning and is ...
Yong Li, Changjun Tang, Sen Yan, Ruichen Wang, Dongxu Gao   +4 more
doaj   +1 more source

Operative Unmanned Surface Vessels (USVs): A Review of Market-Ready Solutions

Automation
Unmanned Surface Vehicles (USVs) have emerged as key enablers of autonomous maritime operations, offering innovative solutions across multiple industries, including defense, oceanography, offshore energy, and logistics.
Emerson Martins de Andrade, Joel Sena Sales, Antonio Carlos Fernandes   +2 more
doaj   +1 more source

Prototype Design and Experimental Evaluation of Autonomous Collaborative Communication System for Emerging Maritime Use Cases

Sensors, 2021
Automated systems have been seamlessly integrated into several industries as part of their industrial automation processes. Employing automated systems, such as autonomous vehicles, allows industries to increase productivity, benefit from a wide range of
Jiri Pokorny, Khanh Ma, Salwa Saafi, Jakub Frolka, Jose Villa, Mikhail Gerasimenko, Yevgeni Koucheryavy, Jiri Hosek   +7 more
doaj   +1 more source

Vision based strategies for implementing Sense and Avoid capabilities onboard Unmanned Aerial Systems [PDF]

, 2011
Current research activities are worked out to develop fully autonomous unmanned platform systems, provided with Sense and Avoid technologies in order to achieve the access to the National Airspace System (NAS), flying with manned airplanes.
Forlenza, Lidia
core   +1 more source

Development and Field Test of Unmanned Marine Vehicle (USV/UUV) With cable

IEEE Access, 2020
This paper presents the system, controller, and field test results of an unmanned marine vehicle (UMV) developed to acquire real-time ocean exploration information. The system consists of an unmanned surface vehicle (USV), an unmanned underwater vehicle (
Sung Min Hong, Keon Seok Nam, Je Doo Ryu, Dong Gu Lee, Kyoung Nam Ha   +4 more
doaj   +1 more source

Multi-Domain Heterogeneous Threat Survivability Assessment for Naval Surface Combatants

IEEE Access
Naval surface combatants increasingly face multi-domain heterogeneous raids in which anti-ship missiles, unmanned aerial vehicles, and unmanned surface vehicles arrive within a common engagement window.
Dae-Han Lee, Sung-Gil Ko
doaj   +1 more source

Path planning for unmanned surface vehicles in anchorage areas based on the risk-aware path optimization algorithm

Frontiers in Marine Science
In dense anchorage areas, the challenge of navigation for Unmanned Surface Vehicles is particularly pronounced, especially regarding path safety and economy.
Hongbo Wang, Hongbo Wang, Hongbo Wang, Shuaiwei Mao, Xiaoguang Mou, Jinfeng Zhang, Ronghui Li   +6 more
doaj   +1 more source

Shadow verification–based waterline detection for unmanned surface vehicles deployed in complicated natural environment

International Journal of Advanced Robotic Systems, 2018
Boundary separation of operational regions would be helpful for unmanned surface vehicles deployed in dynamic outdoor environments. However, the feasibility and accuracy of current obstacle avoidance methods based on conventional optical images are ...
Yangjie Wei, Yuqing He
doaj   +1 more source

Dynamics Simulation of Remotely Operated Vehicle-Fiber Optic Micro Cable System [PDF]

, 2008
Li Q, Xu H, Zhang Q, Wang X, Li ZG. Dynamics Simulation of Remotely Operated Vehicle-Fiber Optic Micro Cable System.
Li, ZhiGang, Li ZG(李智刚), Xu, Hongli, Zhang QF(张奇峰), Qiang Li, Li, Qiang ; https://orcid.org/, Wang, Xiaohui, Xiaohui Wang, Zhigang Li, Wang XH(王晓辉), Hongli Xu, Qifeng Zhang, Zhang, Qifeng, Li Q(李强), Xu HL(徐红丽)   +14 more
core   +1 more source