Results 31 to 40 of about 9,618 (272)

Liability issues of Unmanned Surface Vehicles

OCEANS 2018 MTS/IEEE Charleston, 2018
Unmanned Surface Vehicles (USVs) are a widespread technology nowadays. USVs of all kinds and shapes are used for a variety of applications from scientific research to transportation. However, safety and regulatory issues still prevent the exploitation of the full potential of USVs.
Ferreira, Fausto, Alves, Joao, Bertolini, Andrea, Bargelli, Elena   +3 more
openaire   +1 more source

Surface Unmanned Multipurpose Research Marine Vehicle: SUNMARE Project

, 2022
This paper presents the preliminary activities undertaken for the research project SUNMARE (Surface UNmanned multipurpose research MARine vEhicle), which aims at the development of an innovative autonomous platform for marine, oceanographic, lacustrine, and submerged/semi-submerged cultural heritage monitoring/measurements.
Laurenza, Maicol, Pepe, Gianluca, Mezzani, Federica, Malito, Alec, De Lauro, Massimo, Mauro, Salvatore, Culla, Antonio, Carcaterra, Antonio   +7 more
openaire   +3 more sources

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

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

MXene‐Coated 3D Printed Horn Antennas for Ku Frequency Band

Advanced Materials Technologies, EarlyView.
An additive manufacturing approach to 3D printing horn antennas and coating them with Ti3C2Tx MXene is proposed. Rapid fabrication of lightweight, high‐performance antennas operating in the Ku‐band (12.4–18 GHz) has been demonstrated. The MXene‐coated antennas exhibit comparable electromagnetic performance to conventional, costly aluminum ones, with ...
Zahra Sarpanah Sourkouhi, Jamal Alhourani, Yury Gogotsi, Mohammad H. Zarifi   +3 more
wiley   +1 more source

Vision‐Assisted Avocado Harvesting with Aerial Bimanual Manipulation

Advanced Robotics Research, EarlyView.
This work outlines the design and implementation of a bimanual aerial robot that employs visual perception and learning to detect, reach, and harvest avocados. A new gripper and fixer arm assembly is used to harvest avocados, while visual perception enables the detection of avocados and estimation of their position and orientation for determining ...
Zhichao Liu, Jingzong Zhou, Caio Mucchiani, Konstantinos Karydis   +3 more
wiley   +1 more source

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Energy Consumption Optimization in Trajectory Planning for Fuel Cell Hybrid Uavs Based On HMPC

Advanced Robotics Research, EarlyView.
The endurance limitation of multirotor drones is a critical challenge. This study adopts a hybrid power system of fuel cells and lithium‐ion batteries. Using Nondominated Sorting Genetic Algorithm II, it integrates trajectory planning with energy management optimization.
Xindi Wang, Jianyang Dong, Yongming Yao, Kaijin Hu, Jianxiong Cui, Yikai Luo, Jiawen Zhang, Shichao Niu   +7 more
wiley   +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