Results 11 to 20 of about 3,784 (259)

Design and Modeling of an Experimental ROV with Six Degrees of Freedom

open access: yesDrones, 2021
With the development of underwater technology, it is important to develop a wide range of autonomous and remotely operated underwater vehicles for various tasks.
Aleksey Kabanov   +2 more
doaj   +1 more source

Research on Error Correction Technology in Underwater SINS/DVL Integrated Positioning and Navigation

open access: yesSensors, 2023
Underwater vehicles are key carriers for underwater inspection and operation tasks, and the successful implementation of these tasks depends on the positioning and navigation equipment with corresponding accuracy.
Jian Li   +5 more
doaj   +1 more source

Development of Tactile Imaging for Underwater Structural Damage Detection

open access: yesSensors, 2019
Underwater structural damage inspection has mainly relied on diver-based visual inspection, and emerging technologies include the use of remotely operated vehicles (ROVs) for improved efficiency.
Xi Chen   +5 more
doaj   +1 more source

Subsea Pipeline Corrosion Estimation by Restoring and Enhancing Degraded Underwater Images

open access: yesIEEE Access, 2018
Subsea pipeline corrosion is considered as a severe problem in offshore oil and gas industry. It directly affects the integrity of the pipeline which further leads to cracks and leakages.
Amjad Khan   +4 more
doaj   +1 more source

Three-Dimensional Marine Ranching Cage Inspection Path Planning Integrating the Differential Evolution and Particle Swarm Optimization Algorithms

open access: yesIEEE Access, 2023
This study addressed the autonomous planning of three-dimensional (3D) underwater inspection paths for autonomous underwater vehicles (AUVs) in marine ranching by integrating differential evolution and particle swarm optimization (PSO) algorithms. First,
Yijun Hu   +6 more
doaj   +1 more source

Design of an Underwater Robot System for Detecting Defects in Hydraulic Structures at Hydropower Stations

open access: yesKongzhi Yu Xinxi Jishu, 2023
Current defect detection techniques for hydraulic structures at hydropower stations are conducted by inspection robots or divers, facing challenges such as limited inspection methods and the impact of water currents.
ZHANG Yi   +5 more
doaj   +3 more sources

Reliability Updating of Offshore Structures Subjected to Marine Growth

open access: yesEnergies, 2022
Marine growth is a known problem for oceanic infrastructure and has been shown to negatively impact the reliability of bottom-fixed or floating offshore structures submitted to fatigue or extreme loading.
Franck Schoefs, Thanh-Binh Tran
doaj   +1 more source

Control system of ROV for underwater safety inspection and operation

open access: yesZhongguo Jianchuan Yanjiu, 2018
[Objectives] In order to achieve safety inspections for surface attachments on hulls, dams and underwater steel structures according to the requirements of removing attachments,a new Remotely Operated Vehicle(ROV) equipped with cables for underwater ...
ZHANG Guangyi   +4 more
doaj   +1 more source

The Application of an Underwater Robot for the Creation of a Database for the Technical Inspection of the Underwater Components of Water Transport and Infrastructure

open access: yesTaikomieji Moksliniai Tyrimai
This paper examines the application of the CHASING M2 PRO MAX underwater robot for the creation of databases for the technical inspection of the underwater components of water transport vehicles and their infrastructure.
Justas Žaglinskis, Evelina Noreikaitė
doaj   +1 more source

Research on the inspection technology and application of deep-sea marine cable based on underwater robots

open access: yesInternational Journal of Metrology and Quality Engineering
The growing dependence on deep-sea marine cables for telecommunications, power transmission, and scientific research has highlighted the importance of efficient inspection and maintenance strategies.
Luo Wenbo, Zhang Qingwen, Lin Bin
doaj   +1 more source

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