This soft robot plays the piano using its air memory

This soft robot, also called soft robot, can play the piano in an unconventional way. Instead of using a hard chip, the robot is equipped with a pneumatic computer memory. So it works in the air.

Soft robots, or soft robots in English, have become more and more important in recent years. Actually, ‘soft’ robots They are able to perform tasks that traditional, articulated, powerful robots cannot do. Soft robots are especially impressive because they move without electronics. This is particularly the case with this robot developed by researchers at the University of California, Riverside.

Soft robot playing the piano – Credit: University of California Riverside

For the demonstration, the soft robot plays the piano and in particular the rhyme “Mary has a little lamb”. It is equipped with 9 soft mechanical fingers, several solenoid valves A 3-bit antenna multiplier remover. In fact, this soft robot pianist does not use traditional transistors and electrical circuits like EVA robot that mimics human facial expressions. Instead, it uses compressed air computer memory.

Soft robots are safer to use on humans, especially infants

The University of California Riverside explained that: Flexible aerial robots need a way to remember and maintain the positions of their moving parts Instead of using electronic memory with a hard chip, they invented pneumatic logical memory So the pianist robot only works in the air.

How does the robot work on the piano? Atmospheric pressure In solenoid valve 0 corresponds to binary while vacuum 1 represents binary. The mechanism fingers clench when connected to an empty solenoid valve. Expands when connected to atmospheric pressure solenoid valve. A computer’s air memory is complex enough to function as real memory 8 bit RAM.

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University of California Riverside explained that By changing the combinations of atmospheric pressure and vacuum in the channels of a RAM chip, researchers were able to get the robot to play notes, chords, and even an entire song – Mary Had a Little Lamb ».

Of course, this technology is not yet ready for everyday use. However, it is safer than electronic robots because there are none There is no risk of failure or even explosion. According to the researchers, ” Robots using this technology will be particularly safe for precise use on or around humans, such as wearable devices for children with motor disabilities. Furthermore, researchers have recently developed A robotic clutch with dexterity that makes it able to grab a grain of sand.

Source : Engadget

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