Results 11 to 20 of about 3,810 (225)

Threats from and Countermeasures for Unmanned Aerial and Underwater Vehicles

open access: yesSensors, 2022
The use of unmanned aerial vehicles (UAVs) for different applications has increased tremendously during the past decade. The small size, high maneuverability, ability to fly at predetermined coordinates, simple construction, and affordable price have ...
Wahab Khawaja   +5 more
doaj   +4 more sources

A Survey on Unmanned Underwater Vehicles: Challenges, Enabling Technologies, and Future Research Directions [PDF]

open access: yesSensors, 2023
Unmanned underwater vehicles (UUVs) are becoming increasingly important for a variety of applications, including ocean exploration, mine detection, and military surveillance. This paper aims to provide a comprehensive examination of the technologies that
Arif Wibisono   +3 more
doaj   +2 more sources

Transmission of images by unmanned underwater vehicles [PDF]

open access: yesAutonomous Robots, 2019
As an acoustic communications medium, water is characterized by frequency dependent attenuation, short range, very low bandwidth, scattering, and multi-path. It is generally difficult to acoustically communicate even terse messages underwater much less images.
Alice Danckaers, Mae L. Seto
openaire   +2 more sources

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   +2 more sources

A Novel Aerial-Aquatic Unmanned Vehicle Using Flapping Wings for Underwater Propulsion [PDF]

open access: yesBiomimetics
Aerial-aquatic unmanned vehicles are a combination of unmanned aerial vehicles and unmanned submersibles, capable of conducting patrols in both the air and underwater domains.
Jiacheng He   +6 more
doaj   +2 more sources

State-of-the-Art System Solutions for Unmanned Underwater Vehicles

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   +1 more source

THRUSTER DESIGN FOR UNMANNED UNDERWATER VEHICLES

open access: yes, 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   +3 more
openaire   +4 more sources

Scheme Design and Key Technology Application of Multi-joint Unmanned Underwater Vehicle

open access: yesKongzhi Yu Xinxi Jishu, 2023
Concerning the challenges of limited operational capabilities of autonomous underwater vehicles and the impaired passability caused by the externally mounted propellers on the existing chained multi-body underwater vehicles, this paper presents an ...
HAN Tao   +4 more
doaj   +3 more sources

Analysis on the Development Trend and Key Technologies of Unmanned Underwater Equipment

open access: yes水下无人系统学报, 2023
Unmanned underwater equipment is a new commanding heights in maritime military because it would guarantee victory in underwater battles in the future.
Zhi-ming QIU   +4 more
doaj   +1 more source

Editorial of Special Issue “Unconventional Drone-Based Surveying”

open access: yesDrones, 2023
Nowadays, Unmanned Aerial Vehicles (UAVs), as well as Unmanned Surface Vehicles (USVs) or also Unmanned Underwater Vehicles (UUVs), later on simply called drones, have reached a sufficient degree of maturity to allow their use for various purposes [...]
Arianna Pesci   +2 more
doaj   +1 more source

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