Results 1 to 10 of about 18,313 (220)

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

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   +3 more sources

Polar Grid Navigation Algorithm for Unmanned Underwater Vehicles [PDF]

open access: yesSensors, 2017
To solve the unavailability of a traditional strapdown inertial navigation system (SINS) for unmanned underwater vehicles (UUVs) in the polar region, a polar grid navigation algorithm for UUVs is proposed in this paper.
Zheping Yan   +4 more
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

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

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   +1 more source

Study on Dynamic Behavior of Unmanned Surface Vehicle-Linked Unmanned Underwater Vehicle System for Underwater Exploration [PDF]

open access: yesSensors, 2020
This paper focuses on motion analysis of a coupled unmanned surface vehicle (USV)–umbilical cable (UC)–unmanned underwater vehicle (UUV) system to investigate the interaction behavior between the vehicles and the UC in the ocean environment. For this, a new dynamic modeling method for investigating a multi-body dynamics system of this coupling system ...
Mai The Vu   +6 more
openaire   +4 more sources

Study on Unmanned Hybrid Unmanned Surface Vehicle and Unmanned Underwater Vehicle System [PDF]

open access: yesJournal of Ocean Engineering and Technology, 2020
Underwater operating platforms face difficulties regarding power supply and communications. To overcome these difficulties, this study proposes a hybrid surface and underwater vehicle (HSUV) and presents the development of the platform, control algorithms, and results of field tests.
Han-Sol Jin   +6 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy