Results 11 to 20 of about 415 (215)

Underwater Docking Approach and Homing to Enable Persistent Operation [PDF]

open access: yesFrontiers in Robotics and AI, 2021
One of the main limiting factors in deployment of marine robots is the issue of energy sustainability. This is particularly challenging for traditional propeller-driven autonomous underwater vehicles which operate using energy intensive thrusters.
Brian R. Page   +3 more
doaj   +2 more sources

Data-driven Autonomous Decision-making Method for the Effective Position of AUV Torpedo Attacks

open access: yes水下无人系统学报, 2022
Autonomous decision-making capability is a distinctive feature that distinguishes unmanned undersea vehicles from manned platforms. This capability is characterized by a short autonomous decision-making time, high decision-making accuracy, and executable
Li-qiang GUO   +3 more
doaj   +1 more source

Bidirectional inductive underwater wireless power transfer converter with variable structure

open access: yesEnergy Reports, 2023
The undersea sensor networks have an important function in marine resource exploration. To prolong the lifetime of the sensor networks, a bidirectional inductive underwater wireless power transfer (BI-UWPT) system with variable structure is proposed ...
Shuo Sang, Zhilei Yao
doaj   +1 more source

Progress of AUV Intelligent Swarm Collaborative Task

open access: yes水下无人系统学报, 2023
With developments in the intelligent swarm technology, the cooperation of autonomous undersea vehicle (AUV) swarms in performing underwater tasks has become an inevitable trend for the future development of such tasks. However, owing to the particularity
Qiao HU   +3 more
doaj   +1 more source

Inversion Estimation of AUV Attitude Based on Pressure Sensor Array

open access: yes水下无人系统学报, 2023
Attitude is an essential parameter in autonomous navigation. Existing high-precision navigation sensors are expensive and large. Therefore, miniaturized and low-cost autonomous navigation technologies have become the research focus.
Chongyang WANG   +3 more
doaj   +1 more source

Longitudinal movement modeling and simulation for hybrid underwater glider

open access: yesDiagnostyka, 2023
An autonomous underwater vehicle is a vehicle that can move in water, which is also known as an unmanned undersea vehicle. One type is the hybrid underwater glider where the vehicle is designed in such a way that it is able to carry out missions in the ...
Ayu Latifah   +4 more
doaj   +1 more source

Research on Unpowered Trim Ascent Motion Characteristics of Deep-sea Vehicles

open access: yes水下无人系统学报, 2022
To improve the ascent response speed of unpowered deep-sea vehicles, and meet the requirements of mission loads for its water-exit attitude, considering the effect of ocean currents and buoyancy changes, a space motion simulation model of the vehicle was
Zhi-chao ZHAO   +3 more
doaj   +1 more source

Docking experiment of underwater vehicle by dual-eye visual servoing (Control performance verification with autonomous underwater vehicle)

open access: yesNihon Kikai Gakkai ronbunshu, 2018
A variety of robots has been studied and developed for undersea exploration. One of the applications for undersea exploration is mining of undersea resources such as methane hydrate and rare metal by Autonomous Underwater Vehicle (AUV).
Takayuki MATSUNO   +9 more
doaj   +1 more source

Analysis of causation of loss of communication with marine autonomous systems: a probability tree approach [PDF]

open access: yes, 2014
The last decade has seen the eagerly anticipated introduction of marine autonomous systems as a pragmatic tool for ocean observation. However, outstanding reliability problems means that these vehicles are not yet fulfilling their true potential.
Brito, M.P., Griffiths, G., Smeed, D.A.
core   +1 more source

A theoretical approach to facilitating transition phase motion in a positively buoyant autonomous underwater vehicle [PDF]

open access: yes, 2009
Positively buoyant autonomous underwater vehicles (AUVs) operate at survey speeds with a pitch angle that ismaintained through application of the control surfaces, sufficient to generate hydrodynamic forces to counteract theexcess buoyancy. To facilitate
A R Palmer   +5 more
core   +1 more source

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