Last year, a group of researchers from the Virginia Tech School of Engineering announced RoboJelly, a robotic jellyfish. RoboJelly's development began in 2009, and only one man's palm is almost as big. This soft robot is undoubtedly an impressive engineering feat, but the team has created a bigger and better jellybot named CYRO. The neutrally-buoyant robot is 5 feet wide (1.7m) and weighs 170 pounds (77kg).
Researchers at Virginia Tech have created larger, better CYRO machine jellyfish than RoboJelly.
The internal structure of CYRO is placed on top of a plastic crate.
CYRO's rigid internal support structure contains other electronic components as well as rechargeable NiMH batteries. Eight mechanical arms are attached to the structure, each driven by a separate DC motor. With the silicone body attached to the surface, the robotic arm can drive the robot to swim like a real jellyfish.
CYRO will be more practical than RoboJelly. Larger CYROs can bring more sensor and processor loads and can be used to automatically detect the marine environment, monitor, map the ocean floor, or perform other tasks - go further, stay longer (weeks or even months) time).
Cyro and RoboJelly are part of an ongoing project funded by the U.S. Navy Undersea Operations Center and the U.S. Naval Research Office; in addition, Providence College, UCLA, Rhode Island, USA The University of Texas at Dallas and Stanford University are also involved. The team is led by Prof. Shashank Priya of Virginia Ligong University.
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