Results 241 to 250 of about 466,074 (296)
Some of the next articles are maybe not open access.
Development of underwater inspection system for dam inspection
OCEANS 2015 - MTS/IEEE Washington, 2015Deteriorations of social infrastructures have been progresses in Japan. To prevent accident due to its failing, effective inspection system is needed. We have been developing underwater inspection system for dam inspection which is called Dam Inspection System (DIS). It is composed by Unmanned Surface Vehicle (USV), and Remotely Operated Vehicle (ROV).
Soji Shimono +5 more
openaire +1 more source
Guidance of AUVs for Autonomous Underwater Inspection
at - Automatisierungstechnik, 2015Abstract In this paper, a task-based online path-planning and guidance system of underactuated unmanned underwater vehicles (UUVs) for inspection of underwater infrastructure is described. Whether there are harbor submerged structures, cables, pipes, hydro-technical works, they all need to be checked in relation to structural ...
Marco Jacobi, Divas Karimanzira
openaire +2 more sources
Development of an underwater riser inspection robot
Industrial Robot: An International Journal, 2013PurposeThe purpose of this paper is to describe a new multi‐sensor robotic system designed for riser, mooring lines and umbilical cables in situ underwater inspection. Due to the aggressive operation environment, such structures are susceptible to a broad spectrum of failure causes, such as aging, mechanical, chemical and thermal loads, hydrodynamic ...
Melquisedec Francisco Santos +3 more
openaire +2 more sources
Underwater Inspection Using ROV
Abu Dhabi International Petroleum Exhibition & Conference, 2021Abstract ADNOC Drilling operates a growing fleet of 22 jack up units. These units require various inspections and tests to ensure that their integrity is maintained while conducting the drilling operations. One of these inspections is the underwater inspection which is required to be carried out twice every 5 years.
Mahmoud Ahmed Elshahawy +2 more
openaire +1 more source
UNDERWATER SHIP HULL INSPECTION
Naval Engineers Journal, 1980ABSTRACTNavy managers need accurate information in order to make cost effective decisions. In the case of ship hull repair or maintenance decisions, the information can often be obtained through Nondestructive Examination (NDE) of the hull. Newly developed NDE hardware and techniques now permit many inspections to be performed on waterborne ships, thus
JOHN MITTLEMAN, DAVID WYMAN
openaire +1 more source
Inspecting the inside of underwater hull
SPIE Proceedings, 2009In order to demonstrate the possibility of identifying the material within ship's underwater hull, sunken ships and other objects on the sea floor tests with the 14 MeV sealed tube neutron generator incorporated inside a small submarine submerged in the test basin filled with sea water have been performed. Results obtained for inspection of diesel fuel
Sudac, Davorin, Valković, Vladivoj
openaire +2 more sources
Journal of the Construction Division, 1981
A systematic approach for dealing with underwater inspection risks is examined. It consists of developing an underwater inspection program during the design stage and including the program in the p...
openaire +1 more source
A systematic approach for dealing with underwater inspection risks is examined. It consists of developing an underwater inspection program during the design stage and including the program in the p...
openaire +1 more source
An underwater robot for pipe inspection
Proceedings Fourth Annual Conference on Mechatronics and Machine Vision in Practice, 2002This paper describes the design of an autonomous mobile robot for use in the inspection of water-filled pipes. The design is based on ultrasonic communications, thus obviating the need for an umbilical cable. The control of the robot is distributed on a local area network which connects all the actuators and sensors. The robot has four legs, powered by
R. Bradbeer +3 more
openaire +1 more source
Electromagnetic Inspection Underwater
1986The examination of materials by electromagnetic methods is one of the most interesting aspects of scientific application. It is particularly appropriate to the application of such tests under water, as the magnetic effects are in no way diminished below the surface of seas or oceans.
openaire +1 more source
Underwater Inspections: Credibility And Technology
Offshore Technology Conference, 1981Abstract Both the demand for underwater inspections and the number of suppliers of these services have grown dramatically in response to such domestic legislation as the Outer Continental Shelf Lands Act Amendment and the OCS Orders based on this act.
John Mittleman, David B. Wyman
openaire +1 more source