Results 1 to 10 of about 8,415 (261)

Sensors Systems for the Automation of Operations in the Ship Repair Industry [PDF]

open access: yesSensors, 2013
Hull cleaning before repainting is a key operation in the maintenance of ships. For years, a method to improve such operation has been sought by means of the robotization of techniques such as grit blasting and ultra high pressure water jetting. Despite this, it continues to be standard practice in shipyards that this process is carried out manually ...
Pedro Javier Navarro Lorente   +2 more
exaly   +7 more sources

UNCERTAINTY EVALUATION IN SHIP REPAIR SPECIFICATION [PDF]

open access: yesProceedings on Engineering Sciences
The paper deals with uncertainties in ship repair specifications and their impact on docking duration. In some cases, on ships, repair specifications mention defects that are established by the crew when the ship is under exploitation.
Yordan Denev
doaj   +4 more sources

Novel Robotic Systems in at Sea Inspection and Repair of Damaged Ship Hulls With Friction Stir Welding

open access: yesIEEE Access
This paper presents a start to finish approach on the inspection and repair of damaged ship hulls in water. The repair of ship hulls in water has been made viable by recent developments in Friction Stir Welding (FSW) of steels.
Luke Fitzgerald   +8 more
doaj   +3 more sources

Research on modular analysis and evaluation method of ship repair cost [PDF]

open access: yesE3S Web of Conferences, 2021
Based on the idea of modular design of ship, the ship modular method is used to study the target cost of ship repair, and a modular decomposition and analysis method of ship repair cost is proposed to decompose the ship repair project into relatively ...
Qianghui Zhong, Mingchi Lin, Yong Tang
doaj   +1 more source

Simulation of a double-circuit subordinated coordinate regulation system of the active po wer factor corrector for the electric locomotive auxiliary electric drive

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2022
Introduction. The object of this study is an auxiliary frequency-controlled electric drive of an AC locomotive, or more specifically, the structure and parameters of the system for regulating the coordinates of the active power factor corrector, which is
M. Yu. Pustovetov
doaj   +1 more source

Comparative Analysis of CPM, PDM and PERT Methods in Ship Repair Scheduling Planning KN. RB 309 Ternate 01

open access: yesBerkala Sainstek, 2022
A ship that is still carrying out sailing activities must always be in a state that is in accordance with the classification and statutory. Maintenance or repair is needed for the ship in order to stay in good condition and fit to sail.
Laily Okta Oktafiana, Intan Baroroh
doaj   +1 more source

Decision support system for evaluating the elements of data transmission systems

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2020
Aim. At present, the construction of data transmission networks is undergoing rapid development, which actualized the problem of the timely maintenance, repair, and modernization of network equipment.
A. A. Oleynikov   +2 more
doaj   +1 more source

Research on Preventive Maintenance Strategies and Systems for in-Service Ship Equipment

open access: yesPolish Maritime Research, 2022
With continuous improvements in the function and performance of ship equipment, mechanisms of failure have become more and more complicated. To avoid over-maintenance or under-maintenance in existing routine ship maintenance strategies, a ship-level ...
Song Tingxin, Tan Taiyang, Han Guochen
doaj   +1 more source

The fishery in the northern regions of the Far East of the USSR in the context of late Soviet modernization [PDF]

open access: yesSHS Web of Conferences, 2021
The article describes the development of the fishing industry in Kamchatka, Sakhalin, and Magadan regions in 1965-1985. In a general historical context, the article pays attention to the modernization processes in the fishery of the northern regions of ...
Platonova Nonna
doaj   +1 more source

Ship Causalities – Reasons and Statistical Analyze [PDF]

open access: yesTransNav, 2022
The paper deals with most recently damages caused ship accidents and their number in the World Ocean. A lot of them are a result of bad technical condition or human mistake.
Yordan Denev
doaj   +1 more source

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