Results 1 to 10 of about 5,631 (303)

Coordinated Formation Control of Multiple Autonomous Underwater Vehicles for Pipeline Inspection

open access: yesInternational Journal of Advanced Robotic Systems, 2010
This paper addresses the control problem of inspecting underwater pipeline on the seabed, with coordinated multiple autonomous underwater vehicles in a formation. Based on the leader-follower strategy, the dedicated nonlinear path following controller is
Xianbo Xiang   +2 more
doaj   +5 more sources

Visual feedback–based heading control of autonomous underwater vehicle for pipeline corrosion inspection

open access: yesInternational Journal of Advanced Robotic Systems, 2017
Underwater robotics and imaging have emerged as an attractive field due to complications for human divers in a deepwater environment. Inspection of various installations in an underwater environment is carried out by underwater vehicles.
Amjad Khan   +5 more
doaj   +2 more sources

Inspection and maintenance of industrial infrastructure with autonomous underwater robots

open access: yesFrontiers in Robotics and AI, 2023
Underwater infrastructure, such as pipelines, requires regular inspection and maintenance including cleaning, welding of defects and valve-turning or hot-stabbing.
Franka Nauert   +2 more
doaj   +3 more sources

Recognition and Tracking of an Underwater Pipeline from Stereo Images during AUV-Based Inspection

open access: yesJournal of Marine Science and Engineering, 2023
The inspection of condition of underwater pipelines (UPs) based on autonomous underwater vehicles (AUVs) requires high accuracy of positioning while the AUV is moving along to the object being examined.
Valery Bobkov   +2 more
doaj   +3 more sources

Profile Following for Inspection of Underwater Structures

open access: yesPaladyn, 2013
We present a seabed profile estimation and following method for close proximity inspection of 3D underwater structures using autonomous underwater vehicles (AUVs). The presented method is used to determine a path allowing the AUV to pass its sensors over
Galceran Enric   +2 more
doaj   +3 more sources

Underwater inspection and intervention dataset

open access: yesCoRR, 2021
This paper presents a novel dataset for the development of visual navigation and simultaneous localisation and mapping (SLAM) algorithms as well as for underwater intervention tasks. It differs from existing datasets as it contains ground truth for the vehicle's position captured by an underwater motion tracking system.
Tomasz Luczynski   +7 more
openaire   +2 more sources

Inspection Operations and Hole Detection in Fish Net Cages through a Hybrid Underwater Intervention System Using Deep Learning Techniques

open access: yesJournal of Marine Science and Engineering, 2023
Net inspection in fish-farm cages is a daily task for divers. This task represents a high cost for fish farms and is a high-risk activity for human operators.
Salvador López-Barajas   +5 more
doaj   +1 more source

Virtual Underwater Datasets for Autonomous Inspections

open access: yesJournal of Marine Science and Engineering, 2022
Underwater Vehicles have become more sophisticated, driven by the off-shore sector and the scientific community’s rapid advancements in underwater operations. Notably, many underwater tasks, including the assessment of subsea infrastructure, are performed with the assistance of Autonomous Underwater Vehicles (AUVs). There have been recent breakthroughs
Ioannis Polymenis   +3 more
openaire   +4 more sources

Underwater robotics – technical aspects on autonomous underwater inspection vehicle

open access: yesAnnals of "Dunărea de Jos" University of Galaţi: Fascicle XI Shipbuilding, 2020
This article is devoted to a state of the art on mobile multi-robot systems in the underwater domain. It start with the history of underwater robots as well as their applications in various fields, then focus on underwater vehicles different categories ...
Aurel Dan Maimon
doaj   +1 more source

Applications of Virtual Data in Subsea Inspections

open access: yesJournal of Marine Science and Engineering, 2020
This paper investigates the role that virtual environments can play in assisting engineers and divers when performing subsea inspections. We outline the current state of research and technology that is relevant to the development of effective virtual ...
Michael O’Byrne   +3 more
doaj   +1 more source

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