Results 11 to 20 of about 18,313 (220)

State-of-the-Art System Solutions for Unmanned Underwater Vehicles [PDF]

open access: yesRadioengineering, 2009
Unmanned Underwater Vehicles (UUVs) have gained popularity for the last decades, especially for the purpose of not risking human life in dangerous operations. On the other hand, underwater environment introduces numerous challenges in navigation, control
A. E. Yilmaz, B. Gokalp, O. Yildiz
doaj   +2 more sources

Experimental Investigation of High Speed Cross-Domain Vehicles with Hydrofoil

open access: yesJournal of Marine Science and Engineering, 2023
Unmanned equipment, such as unmanned underwater vehicles (UUVs) and unmanned surface vehicles (USVs), are widely used in marine science for underwater observation, rescue, military purposes, etc.
Zeqi Shi   +9 more
doaj   +1 more source

Performances of Some Autonomous Assets in Maritime Missions [PDF]

open access: yesTransNav, 2020
The paper deals with key features of some autonomous assets, i.e., unmanned aerial and underwater vehicles used for marine surveillance and reconnaissance missions.
Sanja Bauk
doaj   +1 more source

Collaborative Control of Unmanned Underwater Vehicles [PDF]

open access: yesJournal of Physics: Conference Series, 2021
Abstract This paper targets at urgent issues, which are the search for complex underwater environments and the effective control of underwater seas. Firstly, studies the collaborative control of task-oriented UUV. Secondly, designs reasonable controllers and prove the rendezvous of UUV.
Huailong Wang, Zhenxing Yao, Yinghui Guo
openaire   +1 more source

Underwater Optical-Sonar Image Fusion Systems

open access: yesSensors, 2022
Unmanned underwater operations using remotely operated vehicles or unmanned surface vehicles are increasing in recent times, and this guarantees human safety and work efficiency. Optical cameras and multi-beam sonars are generally used as imaging sensors
Hong-Gi Kim, Jungmin Seo, Soo Mee Kim
doaj   +1 more source

Effects of Regular Waves on Propulsion Performance of Flexible Flapping Foil

open access: yesApplied 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   +4 more
doaj   +1 more source

Research Progress on Corrosion of Structural Materials for Unmanned Underwater Submersible Vehicles [PDF]

open access: yesCailiao Baohu
Unmanned underwater vehicles are one of the indispensable tools for people to develop, utilize and explore the ocean, and have broad military application prospects.With the continuous progress and development of science and technology, unmanned ...
ZHANG Qichao, ZHANG Baolong, JIANG Yishan, ZHAO Xin, SONG Penglei, XIAO Feng.
doaj   +1 more source

Pose Detection and control of multiple unmanned underwater vehicles using optical feedback [PDF]

open access: yes, 2014
This paper proposes pose detection and control algorithms in order to control the relative pose between two Unmanned Underwater Vehicles (UUVs) using optical feedback.
Barbaros Celikkol   +5 more
core   +3 more sources

Self-Supervised Pre-Training Joint Framework: Assisting Lightweight Detection Network for Underwater Object Detection

open access: yesJournal of Marine Science and Engineering, 2023
In the computer vision field, underwater object detection has been a challenging task. Due to the attenuation of light in a medium and the scattering of light by suspended particles in water, underwater optical images often face the problems of color ...
Zhuo Wang   +3 more
doaj   +1 more source

Generalized Method Of Designing Unmanned Remotely Operated Complexes Based On The System Approach [PDF]

open access: yes, 2019
Self-propelled underwater systems belong to the effective means of marine robotics. The advantages of their use include the ability to perform underwater work in real time with high quality and without risk to the life of a human operator.
Blintsov, V. (Volodymyr)   +1 more
core   +2 more sources

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