Results 41 to 50 of about 2,479 (237)

Numerical simulation analysis on water jet pressure distribution at various nozzle aperture [PDF]

, 2018
The low velocity water jet is required by small scale Unmanned Underwater Vehicle (UUV) to control its position, either to remain statics in its position or to perform a slow and steady locomotion.
Abdul Aziz, Mohd Sharizal, Abdul Rashid, Azrin Hani, Lim, Chong Hooi, Mahmood, Salwa, Samad, Zahurin, Shaari, Muhammad Farid   +5 more
core   +1 more source

Critical Node Identification of Multi-UUV Formation Based on Network Structure Entropy

Journal of Marine Science and Engineering, 2023
In order to identify and attack the multi-UUV (unmanned underwater vehicle) groups, this paper proposes a method for identifying the critical nodes of multi-UUV formations.
Yi Chen, Lu Liu, Xiaomeng Zhang, Wei Qiao, Ranzhen Ren, Boyu Zhu, Lichuan Zhang, Guang Pan, Yang Yu   +8 more
doaj   +1 more source

Trajectory Tracking Control of UUV Based on Backstepping Sliding Mode With Fuzzy Switching Gain in Diving Plane

IEEE Access, 2019
Considering the actual situation of time-varying interference in the underwater environment, a trajectory tracking control method for an underactuated Unmanned Underwater Vehicle (UUV) underwater exploration based on backstepping sliding mode with fuzzy ...
Zheping Yan, Zewen Yang, Jinzhong Zhang, Jiajia Zhou, Anzuo Jiang, Xue Du   +5 more
doaj   +1 more source

State and Perspectives of Underwater Robotics - Role of Laboratory for Underwater Systems and Technologies [PDF]

, 2016
The state and perspectives of underwater robotics is presented. The role and achievements of Laboratory for underwater systems and technologies (LABUST) in this domain is described.
Nikola Mišković, Zoran Vukić
core   +2 more sources

Trajectory planning of UUV-assisted UWOC systems based on DQN

Dianxin kexue, 2023
As a key submarine-based communication platform, unmanned underwater vehicle (UUV) can facilitate underwater wireless optical communication (UWOC).However, fluctuating characteristics of water body, different water qualities, multi-user access present ...
Jiawei HU, Xiaoqian LIU, Xinke TANG, Yuhan DONG   +3 more
doaj   +2 more sources

Research on Unmanned Underwater Vehicle Threat Assessment

IEEE Access, 2019
The unmanned underwater vehicle (UUV) plays an ever increasing and important role in the modern marine environment. In particular, the tasks of underwater reconnaissance and surveillance, underwater mine hunting and anti-submarine warfare, all poses a ...
Hongfei Yao, Hongjian Wang, Yiming Li, Ying Wang, Chunsong Han   +4 more
doaj   +1 more source

Three-Dimensional Rendezvous Controls of Multiple Robots with Amplitude-Only Measurements in Cluttered Underwater Environments

Applied Sciences, 2023
This study addresses multi-robot distributed rendezvous controls in cluttered underwater environments with many unknown obstacles. In underwater environments, a Unmanned Underwater Vehicle (UUV) cannot localize itself, since a Global Positioning System ...
Jonghoek Kim
doaj   +1 more source

Diseño del software de control de un UUV para monitorización oceanográfica usando un modelo de componentes y framework con despliegue flexible

Revista Iberoamericana de Automática e Informática Industrial RIAI, 2015
Resumen: Los vehículos submarinos no tripulados (Unmanned Underwater Vehicles, UUVs) se diseñan para misiones de monitorización, inspección e intervención.
Francisco Ortiz, Antonio Guerrero, Francisco Sánchez-Ledesma, Francisco García-Córdova, Diego Alonso, Javier Gilabert   +5 more
doaj   +1 more source

Redefining Optimal Coverage Path Planning for FLS‐Equipped AUVs With Deep Reinforcement Learning

Journal of Field Robotics, EarlyView.
ABSTRACT Autonomous Underwater Vehicles (AUVs) have emerged as indispensable tools for a variety of subsea tasks, from habitat monitoring and seabed mapping to infrastructure inspection and mine countermeasures. A fundamental challenge in this field is Coverage Path Planning (CPP), the problem of ensuring complete and efficient area coverage.
Lorenzo Cecchi, Alberto Topini, Alessandro Bucci, Alessandro Ridolfi   +3 more
wiley   +1 more source

Beyond 5G and Non‐terrestrial Network (NTN) Integrated Architecture: Access Challenges for Expanding Artificial Intelligence of Things (AIoT)

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT This study analyzes the architecture of the beyond 5G‐NTN (Non‐terrestrial Network) integrated network and presents the technical, legal, and regulatory challenges and considerations for expanding the Artificial Intelligence of Things (AIoT) ecosystem.
Byung Woon Kim, Ga Eun Choi
wiley   +1 more source