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Chinese scientists develop devilfish-shaped soft robot
 
Date:2019-08-06  Source:Xinhua
 Chinese researchers in Northwestern Polytechnical University have developed a biomimetic robot in the shape of a manta ray, or devilfish, that can flap its wings and slide underwater.

As one of the nature's most efficient swimmers, manta rays possess a unique propulsion mechanism with characteristics such as high propulsion efficiency, high mobility and stability, low noise and large load capacity.

The researchers created the bionic soft robot prototype modeled on the shape and motion of a manta ray. The prototype, with a wingspan of 80 cm, is powered by a lithium battery and can swim at a speed of up to 1.85 km per hour.

"Our team is also developing prototypes that can dive up to 1,000 meters and work continuously for a month," said the project leader Pan Guang, also dean of the School of Marine Science and Technology of the university.

Once completed, the robot can be used for performing search operations, observing the ocean environment and conducting submarine scientific investigations, Pan said.

The team will test the robot in lake conditions soon and in the open ocean next year. They also plan to load more sensors for visual and sound detection on the robot for further research. 

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