If robots are to help in places like hospitals and mobile phone repair shops, they will need to be contacted,media reported. But today, researchers have developed a gripper that uses ultrasonic waves to suspend objects in mid-air, which may be suitable for the most delicate work.
It is understood that the gripper consists of a set of micro-speakers, which emit sound frequency and volume are carefully controlled. This creates an upright pressure wave that holds an object up, which can be fixed or moved if the pressure comes from multiple directions.
This technique, known as “sound suspension”, is not actually a new technology, but so far it has not been significantly applied. However, Marcel Schuck and his team from the Federal Institute of Technology in Zurich proved that the portable device can easily find its place when tiny objects must be taken lightly.
For example, a small electronic component or a watch or miniature robot is oiled on a gear or bearing, which is best held without contact, as contact may produce static electricity or dust.
The problem is that to float an object in the air, you need to know a specific combination of frequency and amplitude. A large part of the research team’s work is to develop software. These softwares can easily work with new objects or program to move them in a specific way.
Currently, a prototype has been completed, but Schuck plans to investigate the various industries to see if such equipment is useful and how useful it is to them.