Results 31 to 40 of about 2,444 (218)

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

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

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

Using acoustic sensor technologies to create a more terrain capable unmanned ground vehicle [PDF]

, 2009
Unmanned Ground Vehicle’s (UGV) have to cope with the most complex range of dynamic and variable obstacles and therefore need to be highly intelligent in order to cope with navigating in such a cluttered environment.
Erbil, Mehmet Ali, Karamanoglu, Mehmet, Odedra, Siddharth, Prior, Stephen D., Shen, Siu-Tsen   +4 more
core   +1 more source

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

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

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

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

THE IMPLEMENTATION OF SOVEREIGN IMMUNITY OF WARSHIPS TO UNMANNED UNDERWATER VEHICLES (UUV) UNDER LAW OF THE SEA

Padjadjaran Journal of International Law, 2022
Along with the times, there have been advances in marine technology which includes Unmanned Underwater Vehicles (UUV). Some countries have started using UUVs for both commercial and military marine activities since UUVs have several advantages that ordinary ships do not have.
Naomi Catherine, Imam Mulyana
openaire   +1 more source

Supervised vs. Unsupervised Learning for Operator State Modeling in Unmanned Vehicle Settings [PDF]

, 2011
In this paper, we model operator states using hidden Markov models applied to human supervisory control behaviors. More specifically, we model the behavior of an operator of multiple heterogeneous unmanned vehicle systems.
Boussemart, Y., Cummings, M.L., Las Fargeas, J., Roy, N.   +3 more
core   +1 more source