Researchers at the National Technical University of Athens need a system to help them monitor the sinking of a merchant ship near the Peristera, one of the largest known ships from classical antiquity. Using a Raspberry Pi mini PC and the expertise of Dr George Papalambrou and his colleagues Vasilis Mentogiannis and Kostas Katsioulis, from NTAU’s School of Naval Architecture and Marine Engineering. A new underwater surveillance system has been developed in the form of NOUS: uNdersea visionOn sUrveillance System.
The Foundation’s website showed this week the monitoring system must be self-contained and have an Internet connection to communicate with researchers by sending images and also allow them to tweak settings and receive data from of sensors embedded in the camera.
Raspberry Pi underwater surveillance system
“The sea is an unforgiving environment to be used, and it’s very difficult with equipment, according to George, so it’s important that they choose equipment that can withstand high pressure and low temperature. NOUS needs to keep running. around the clock at depths of 35 to 70 meters.George explained that the project also requires full software control at the operating system level, as well as at the application level: “We control our devices away from the web and SSH, so there’s no room for failures or damage. ”The Raspberry Pi has always been the team’s first choice, especially because of its capabilities and important community forums.
“The software and specialist HATs were created by George and his colleagues at the University of Athens to save money and reduce development time. The Raspberry Pi boards are set headless, using the X11 transmission. to optimize remote control along the long underwater cables that connect each module to the base station.Onboard battery packs are supplemented with onshore solar panels located near the place where the divers went to tan the sinking of the Aegean, quite far from its intended destination, the island of Skopelos. ”
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