Results 51 to 60 of about 41,284 (223)

Docking experiment of underwater vehicle by dual-eye visual servoing (Control performance verification with autonomous underwater vehicle)

Nihon Kikai Gakkai ronbunshu, 2018
A variety of robots has been studied and developed for undersea exploration. One of the applications for undersea exploration is mining of undersea resources such as methane hydrate and rare metal by Autonomous Underwater Vehicle (AUV).
Takayuki MATSUNO, Yuya NISHIDA, Kenta YONEMORI, Xiang LI, Naoki MUKADA, Naoki KATO, Myo MYINT, Daiki YAMADA, Nwe Lwin KHIN, Mamoru MINAMI   +9 more
doaj   +1 more source

A control strategy of normal motion and active self-rescue for autonomous underwater vehicle based on deep reinforcement learning

AIP Advances, 2022
The survivability of autonomous underwater vehicles (AUV) in complex missions and dangerous situations is of great significance to ocean resource exploration, hydrological research, maritime rescue, and undersea military.
Yuan Fang, Jinyun Pu, Chengren Yuan, Yuxuan Cao, Shuyong Liu   +4 more
doaj   +1 more source

Overview of Research on Transformation of Multi-AUV Formations

Complex System Modeling and Simulation, 2021
Because of their wide detection range and rich functions, autonomous underwater vehicles (AUVs) are widely used for observing the marine environment, for exploring natural resources, for security and defense purposes, and in many other fields of interest.
Bin Xin, Junxi Zhang, Jie Chen, Qing Wang, Yun Qu   +4 more
doaj   +1 more source

The predictive functional control and the management of constraints in GUANAY II autonomous underwater vehicle actuators [PDF]

, 2018
Autonomous underwater vehicle control has been a topic of research in the last decades. The challenges addressed vary depending on each research group's interests.
Gauthier Sellier, Alain, Gomáriz Castro, Spartacus, Pineda Muñoz, Wilman Alonso   +2 more
core   +2 more sources

Scalable low‐cost seabed landers: the missing link for sustained, integrated, long‐term observations in dynamic shallow seas

Remote Sensing in Ecology and Conservation, EarlyView.
Seabed landers, when equipped with a range of biotic and abiotic sensors, offer a non‐invasive and cost‐effective solution for ecosystem‐scale monitoring of Essential Biodiversity Variables (EBVs) and Essential Ocean Variables (EOVs) in dynamic shallow seas.
Arienne Calonge, Roeland Develter, Carlota Muñiz, Clea Parcerisas, Jan Reubens, Wieter Boone, Klaas Deneudt, Elisabeth Debusschere   +7 more
wiley   +1 more source

Designing an Autonomous Underwater Vehicle hull shape with direct approach

نشریه مهندسی دریا, 2018
Hydrodynamic design of the exterior hull shape is a main step of body shape design. The effective parameters in this process include the length of the nose and tail, the blunt sections of nose and tail as well as the profiles of the nose and the tail. In
Majid Alijani, Nowrouz Mohammad Nouri, Marhamat Zeinali   +2 more
doaj  

Redução de Ruídos Speckle no Mapeamento de Estruturas Lineares Submarinas em Imagens de Sonar de Abertura Sintética

Revista Brasileira de Cartografia, 2019
A utilização do sonar de abertura sintética no levantamento hidrográfico com veículo autônomo subaquático tem possibilitado o mapeamento de pequenos objetos em grandes profundidades.
Victor Hugo Fernandes, Nilcilene das Graças Medeiros, Dalto Domingos Rodrigues, Arthur Ayres Neto, Júlio César de Oliveira   +4 more
doaj   +1 more source

Multiple Autonomous Underwater Vehicle Formation Obstacle Avoidance Control Using Event-Triggered Model Predictive Control

Journal of Marine Science and Engineering, 2023
In this paper, multiple autonomous underwater vehicle (multi-AUV) formation control with obstacle avoidance ability in 3D complex underwater environments based on an event-triggered model predictive control (EMPC) is proposed.
Linling Wang, Xiaoyan Xu, Bing Han, Huapeng Zhang   +3 more
doaj   +1 more source

Progressive Colour Equalisation and Detail Refinement for Underwater Image Enhancement

CAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT Underwater image enhancement remains a critical challenge in computational vision due to complex distortions caused by wavelength‐dependent light absorption and scattering. This paper introduces CEDFNet, a novel two‐stage framework that leverages advanced computational intelligence techniques for robust and high‐fidelity underwater image ...
Songbai Liu, Jiacheng Huang
wiley   +1 more source

ESTIMASI GERAK TRANSLASI AUTONOMOUS UNDERWATER VEHICLE DENGAN ENSEMBLE KALMAN FILTER (EnKF)

Teknika: Engineering and Sains Journal, 2018
Penelitian dan pengembangan dari Autonomous Underwater Vehicle cukup banyak diantaranya terkait sistem kendali, navigasi dan hidrodinamika. Pada umunya persamaan gerak AUV adalah 6 derajat kebebasan/Degree of Freedom (DOF) yang terdiri dari gerak ...
Teguh Herlambang, Subchan
doaj