Results 61 to 70 of about 3,364 (224)

Design Concepts for an Energy-Efficient Amphibious Unmanned Underwater Vehicle

, 2015
This paper describes the conceptual design and operating principles of an oscillating-foil propulsion system for an unmanned underwater vehicle called TURTLE ('Tele-operated Unmanned Robot for Telemetry and Legged Exploration'), currently under ...
Cubero, Samuel N., John Billingsley, Samuel N. Cubero, Billingsley, John   +3 more
core   +1 more source

Redefining Optimal Coverage Path Planning for FLS‐Equipped AUVs With Deep Reinforcement Learning

Journal of Field Robotics, EarlyView.
ABSTRACT Autonomous Underwater Vehicles (AUVs) have emerged as indispensable tools for a variety of subsea tasks, from habitat monitoring and seabed mapping to infrastructure inspection and mine countermeasures. A fundamental challenge in this field is Coverage Path Planning (CPP), the problem of ensuring complete and efficient area coverage.
Lorenzo Cecchi, Alberto Topini, Alessandro Bucci, Alessandro Ridolfi   +3 more
wiley   +1 more source

On-demand prediction of low-frequency average sound absorption coefficient of underwater coating using machine learning

Results in Engineering
This study proposes an underwater coating with sound absorption ability in the middle-to-low frequency range and establishes an acoustic theoretical model combining the equivalent medium theory and the transfer matrix method.
Nansha Gao, Mou Wang, Xiao Liang, Guang Pan   +3 more
doaj   +1 more source

Study of Automated Control System of Underwater Dosimetry Kit in Remote bottom radioactivity measurement in deepwater Areas

Глобальная ядерная безопасность, 2022
The paper presents a study of the automated control system of the underwater radio-controlled unmanned vehicle (as a prototype) which monitors the radiation in the deepwater area bottom (with the depth over 10 m), and a system of the operator-vehicle ...
A. P. Elokhin, A. A. Vasilenko, S. E. Ulin, S. .. Yuksekler, M. .. Yuksekler   +4 more
doaj   +1 more source

Actuation Strategies for Underwater Jet‐Propelled Soft Robots

Journal of Field Robotics, EarlyView.
ABSTRACT This review article examines jet‐propulsion mechanisms in underwater soft robotic systems, focusing exclusively on physically fabricated and experimentally validated robots. Covering research published from 2013 to 2025, this study classifies and evaluates jet‐propulsion robots based on their actuation mechanisms.
Angel Kitone, Mohammed Anteet, Pawandeep S. Matharu, Yara Almubarak   +3 more
wiley   +1 more source

A concept design for an ultra-long-range survey class AUV [PDF]

, 2007
Gliders and flight-style Autonomous Underwater Vehicles (AUVs) are used to perform perform autonomous surveys of large areas of open ocean. Glider missions are characterized by their profiling flight pattern, slow speed, long range (1000s of km) and many
McPhail, Stephen D., Maaten E. Furlong, Stevenson, Peter, Furlong, Maaten E., Stephen D. McPhail, Peter Stevenson   +5 more
core   +1 more source

Exploring the Use and Impact of Composite Materials in Robotics: A Systematic Review

Journal of Field Robotics, EarlyView.
ABSTRACT Lightweight and high‐strength materials are important in robotics, as structural design impacts efficiency, payload capacity, and energy consumption. Composite materials, with their superior stiffness‐to‐weight ratios and multifunctional properties, offer clear advantages over conventional metals and polymers.
Doglas Negri, Gabriela Wessling Oening, Felipe Augusto Carvalho de Faria, Sarah Maria Schroeder, Ricardo De Medeiros   +4 more
wiley   +1 more source

Effects of Regular Waves on Propulsion Performance of Flexible Flapping Foil

Applied Sciences, 2018
The objective of the present study is to analyze the effects of waves on the propulsive performance and flow field evolution of flexible flapping foil, and then offer a way to take advantage of wave energy.
Peng Liu, Yebao Liu, Shuling Huang, Jianfeng Zhao, Yumin Su   +4 more
doaj   +1 more source

THRUSTER DESIGN FOR UNMANNED UNDERWATER VEHICLES

, 2020
Underwater researches have been carried out for various purposes such as the protection and investigation of natural and environmental resources, various construction activities, finding and extracting fossil fuel resources, academic and industrial researches.
Gücer, Çetin Arda, Acar, Onur, Kantarcıoğlu, Burak, Ulu, Cenk   +3 more
openaire   +2 more sources

Effectiveness Assessment of Underwater Area Cruise Based on the ADC Method

Journal of Field Robotics, EarlyView.
ABSTRACT Underwater area surveillance plays a crucial role in upholding national security, safeguarding strategic interests, and mitigating potential threats. Despite its significance, a notable gap persists in the availability of comprehensive models for assessing its effectiveness.
Qingwei Liang, Yuxin Lin, Mingyang Luo, Zhanghong Zeng   +3 more
wiley   +1 more source