Coastal waters are being cleaned by the SeaClear project

Professionals want to remove more waste.

Cleaning the seabed is very expensive and, if done by divers, is dangerous. This task would be triggered by SEarch, identificAtion and Collection of marine LittEr with Autonomous Robots – SeaClear a project in which researchers created a waste disposal system using a stand-alone boat, a drone, two submersible robots and a garbage can. The prototype was tested in the port of Hamburg. The test was successful, only poor visibility made the job difficult. At the same time, improved sonar-based artificial intelligence can solve the problem, and a new map database can make work more efficient.

Cosmin Delea of ​​the Fraunhofer Maritime Logistics and Services Center (CML) saidthat because prototypes were still used in the integration test, the systems did not operate completely autonomously. Delea, responsible for system integration, was pleased with the test results despite all the problems. The positioning was not the most perfect, there were some problems with the compass and the synchronization of the robots, but the errors were recorded and the problems can be solved.

The water in the basin of the port of Hamburg was so dirty that even with additional lighting, there was hardly anything around the collection basket that was not enough to clean the bottom thoroughly. Stefan Sosnowski, head of the research team, stated that the solution had been tried before near Dubrovnik, where underwater visibility was much better, but here they could only rely on sonar feedback. The gripping arm of an underwater robot collecting waste currently only handles 30 x 30 x 30 centimeter rubbish, and improvements are expected in this area as well.

The project, which is part of the EU framework program Horizon 2020, will run until the end of 2023. Participants include CML, the Technical University of Munich, the Development Agency of the Croatian Region of Dubrovnik-Neretva, the Port of Hamburg, Subsea Tech, and the Universities of Cluj-Napoca and Dubrovnik. The project is coordinated by Delft University of Technology.

Source: Hírmagazin – IT/Tech by

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