Ultrasonic robotic arm can levitate small objects in mid-air

Researchers created a robotic arm with a “cup” grip that uses ultrasonics  sound waves to suspend an object in midair “levitating” , making it suitable for the most delicate and precise tasks.

It works with tiny speakers that emit sound at very carefully controlled frequencies and volumes.

acoustic-levitation-robotic-arm
acoustic-levitation-robotic-arm
robotic-arm-levitating
Photograph: ETH Zürich / Stefan Weiss

The grip produce a sort of standing pressure wave that can hold an object up or, if the pressure is coming from multiple directions, hold it in place or move it around.

Ultrasonic levitation example:

Another advantage is the acoustic gripper eliminates the need for specific gripper : the ultrasonic gripper can adapt to different shapes and movements.

Source : Ethz

 

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Marco

•About Me:Hi, my name is Marco Gallo, I'm a tech enthusiasts and Software Developer . Robots have been my passion since I was a child!•PersonalRobots Mission : We will guide you in choosing the perfect domestic robot, check our robot reviews! Learn with us how to build your robot and check our opensource robotic project :)

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