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Modernization of Windea Leibniz, a wind service vessel

10.02.2023

The Norwegian shipyard Ulstein Verft has completed a large-scale modernization of the Windea Leibniz, commissioned by operator Bernhard Schulte Offshore. The Wind Service Vessel (SOV) will be able to carry out offshore commissioning (CSOV) contracts.

The list of works included doubling the area of ​​living quarters for technical personnel (for 85 people) and installing an additional height-adjustable support at the stern for the bridge with a roll compensation system. Now the fully extended ladder can be raised to a height of 17,5 to 23 meters above the waterline for disembarkation of service personnel on the offshore platform. The vessel will be able to carry out maintenance operations for wind farms in the North Sea and the Baltic Sea.

Designers and engineers from Ulstein were involved in this contract.

Windea Leibniz will be involved in the maintenance of wind power facilities in Northern Europe.

The ultra-modern SOV was built in 2017 by the Ulstein shipyard for Bernhard Schulte Offshore to efficiently service offshore wind farms in the North Sea. The vessel operates as a reliable and environmentally friendly platform for wind farm operation and maintenance support, accommodation of technical staff and transportation, and providing safe and secure access to offshore installations.

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flycatcher robot 10.11.2019

Researchers from Purdue University (USA) have developed a new class of soft robots and actuators that, using stored elastic energy, can catch an insect in just 120 milliseconds. The robot moves as fast as the whipping tongue of a chameleon.

To create such a robot, scientists were inspired by nature, namely, reptiles and amphibians: chameleons, salamanders and toads. These creatures use stored elastic energy to launch their sticky tongues at unsuspecting insects. Within one tenth of a second, the tongue of a chameleon or salamander can cover a distance exceeding one and a half body lengths of the animal.

The robot, which resembles a chameleon's tongue, is made of stretchable rubber band-like polymers with internal pneumatic channels that expand when pressure increases. The elastic energy of a robot is conserved by stretching its body in one or more directions during the manufacturing process. The very action of the soft robot looks like this: first, it is compressed as much as possible, twisted into a roll, and then sharply, like a chameleon's tongue, unwinds, increasing its length five times, catches a live fly and returns to its original position. And all this happens in just 120 milliseconds.

The new technology has a number of advantages over other soft robotic systems. Firstly, the new robot can easily grab, hold completely different objects and manipulate them at high speed. Second, it can use the elastic energy stored in its prestressed elastomeric layer to hold objects up to 100 times its weight without consuming any external energy.

“We believed that if we could make robots capable of performing such large amplitude movements at high speed, like chameleons, then many automated tasks could be performed more accurately and much faster,” said Ramses Martinez, assistant professor at the Purdue School of Industrial Engineering and the Weldon School of Biomedical Engineering at the Purdue University College of Engineering, lead author.

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