Results 21 to 30 of about 3,810 (225)
Study on Dynamic Behavior of Unmanned Surface Vehicle-Linked Unmanned Underwater Vehicle System for Underwater Exploration [PDF]
Sensors, 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
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Study on Unmanned Hybrid Unmanned Surface Vehicle and Unmanned Underwater Vehicle System [PDF]
Journal 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
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Experimental Investigation of High Speed Cross-Domain Vehicles with Hydrofoil
Journal 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]
TransNav, 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
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Underwater Optical-Sonar Image Fusion Systems
Sensors, 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
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Collaborative Control of Unmanned Underwater Vehicles [PDF]
Journal 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
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Effects of Regular Waves on Propulsion Performance of Flexible Flapping Foil
Applied 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
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Design of Sliding Mode Autopilot with Steady-state Error Elimination for Autonomous Underwater Vehicles [PDF]
, 2006 Autonomous Underwater Vehicles (AUVs) have nonlinear and time-varying behaviour and unmodelled dynamics. This paper describes the design, development and evaluation of nonlinear sliding mode autopilot system for an AUV to control the speed, steering and ...
Shi, Juan, Juan Shi
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A potential-flow based flight simulator for an underwater glider [PDF]
, 2013 Underwater gliders are recent innovative types of autonomous underwater vehicles (AUVs) used in ocean exploration and observation. They adjust their buoyancy to dive and to return to the ocean surface.
LAURENS, Jean-Marc +4 more
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Journal 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