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World's first flying micro-robot is born
Friday, April 10, 2009,
IANS
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Toronto:
Canadian researchers have developed the world's first flying
micro-robot that can manipulate objects, particularly during
surgeries, for micro-scale applications.
The invention provides researchers with more control over
micro-scale manipulation, allowing them to move and place tiny
objects with far greater precision, said Waterloo University - where
an engineering research team developed the device.
In
a statement Wednesday, it said the tiny new gravity-defying device
can manipulate tiny objects at levels that are too small to be
manipulated by humans.
Called the flying MicroElectroMechanical Systems (MEMS) robot, the
device defies the force of gravity by flying or levitating, powered
by a magnetic field.
It moves around and manipulates objects with magnets attached to
micro-grippers, remotely controlled by a laser-focusing beam, the
university statement said.
The tiny device's micro-manipulation will be useful in
micro-assembly of mechanical components, handling of biological
samples and even micro-surgery, it added.
"We have developed a magnetically levitated micro-robot, which is a
new technology for manipulation using flying micro-robots," said
Behrad Khamesee, research leader and professor of mechanical and
mechatronics engineering, who is skilled in developing micro-scale
devices using magnetic levitation.
"We are the first in the world to make such a floating robot
equipped with micro-grippers. It can enter virtually any space and
can be operated in a sealed enclosure by a person outside, which
makes it useful for handling bio-hazardous materials or working in
vacuum chambers and clean rooms," he was quoted as saying in the
statement.
Explaining the new invention, the university statement said that
magnetic levitation is used to position the micro-robot in a
three-dimensional space, employing an external magnetic drive
mechanism.
The mechanism controls that magnetic field by using feedback from
position sensors in order to position the micro-robot. Since the
power is supplied externally, the micro-robot can be maneuvered.
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