Vassilis Papadimitriou

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In the shipping industry sector, structural failure is a major cause of the loss of ships, vessels and tankers resulting in loss of life and pollution of the world's oceans, seas and coastal waters of Europe. Indeed, it has been reported in 2006, that each year over 400 ocean going ships sink, many as a result of weakened structures due to corrosion and(More)
In this paper the development of a robotic scanner for non destructive inspection of the nozzle to vessel weld of Boiling Water Reactors (BWR) nuclear power plant reactors is presented. The scanner carries and deploys a specially designed ultrasonic (UT) 2D matrix phased array probe. The 3 degrees of freedom (d.o.f.) robotic scanner is mounted on the nozzle(More)
This paper presents the design and development of a semi-autonomous low-cost underwater service robot for subsea flexible risers, used for supplying oil from the deep sea to the offshore platforms and floating production, storage and offloading vessels (FPSO). The robot is designed in a modular way allowing flexibility and variety in use. It can provide(More)
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