Results 1 to 10 of about 17,260 (179)

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 ...
Mai The Vu   +6 more
doaj   +7 more sources

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

open access: yes한국해양공학회지, 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 ...
Han-Sol Jin   +6 more
doaj   +2 more sources

Biomimetic propulsion system efficiency for unmanned underwater vehicle. [PDF]

open access: yesSci Rep
Abstract This paper covers experimental research provided for Biomimetic Unmanned Underwater Vehicle (BUUV). The tests were conducted in a laboratory water tunnel equipped with a direct force-measured sensor and system for Particle Image Velocimetry (PIV) analysis.
Szymak P   +4 more
europepmc   +4 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

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

Thermodynamic Simulation Analysis of Variable Buoyancy Device for Underwater Gliders

open access: yes水下无人系统学报, 2022
The heat generated by its driving motor and pump affects the internal structure of the device when a variable-buoyancy device on an underwater glider is operating, thus posing risks to its normal operation.
Hong-chang ZHAO   +2 more
doaj   +1 more source

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

Recent study progress of underwater sound absorption coating

open access: yesEngineering Reports, 2023
Based on the recent development of underwater sound absorption coatings, this paper analyzes the evolution of underwater sound absorption coatings from two aspects: traditional structures and metamaterials.
Zhicheng Zhang, Yanbiao Zhao, Nansha Gao
doaj   +1 more source

Buckling of composite cylindrical shells with ovality and thickness variation subjected to hydrostatic pressure

open access: yesDefence Technology, 2022
The initial geometric imperfection is one of the primary factors affecting the buckling behaviors of composite cylindrical shells under hydrostatic pressure.
Zhun Li   +3 more
doaj   +1 more source

Leak Detection and Localization in Multi-Grid Space Using Improved Gaussian Plume Model

open access: yesSensors, 2023
Leak detection and localization of liquid or gas is of great significance to avoid potential danger and reduce the waste of resources. Leak detection and localization methods are varied and uniquely suited to specific application scenarios.
Daquan Li, Gaigai Liu, Zhaoyong Mao
doaj   +1 more source

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