Home > Technology > Space Shuttle Discovery to Carry Robot on Final Mission

Space Shuttle Discovery to Carry Robot on Final Mission

Crews at the Kennedy Space Center in Florida are preparing the Space Shuttle Discovery for its final launch, scheduled for Thursday.
NASA workers walk near the external tank, rear, of the space shuttle
Discovery at the Kennedy Space Center in Cape Canaveral, Florida,
February 23, 2011. Photo AP
Among the things it will carry to the International Space Station
will be a humanlike robot designed to help astronauts aboard the
station carry out several common tasks.  The device might pave the way
for greater use of robotics in space exploration.

The Discovery crew
will consist of six humans and one robot called “Robonaut 2.”  It is
not really a member of the crew; in fact it will be stowed away in the
cargo compartment until Discovery links up with the space station.  But the The 120-kilogram robot does have a certain star quality.

It
consists of a head that looks like a sleek metallic-looking helmet, a
torso, two arms and two hands with fingers that operate much like human
digits.

Robonaut Lead Mechanical Engineer Josh Mehling, who
helped develop Robonaut 2 for NASA, says the arms and hands of the
device exert the right force to hold, rather than crush, any item the
robot picks up.

“Throughout the robot’s arm, it has the ability to sense the forces
it is exerting on the environment or the environment is exerting on
it.  And the five-fingered hand also has tactile sensing throughout the
finger sections, so it can feel what it is touching,” he said.

Mehling
says Robonaut 2 is capable of carrying out several tasks aboard the
space station that otherwise would take up human astronaut time and
energy. “The robot could be used to set up a work site for an astronaut
or to tear down a work site or to just hold things for the astronaut. 
Really, the goal  going forward is that a system like Robonaut could
free up the astronauts to be doing the real hard science that requires
the human brain in the loop,” he said.

Robots have long been
used in space exploration and in manufacturing back on Earth.  But the
use of a robot that resembles a human being on the space station
recalls the robots of science fiction books and movies, that often have
human attributes.  One characteristic of humans is to relate to
animals, plants and even mechanical devices as if they are humans, what
psychologists call anthropomorphizing.

Josh Mehling says the Discovery crew
had a chance to work with Robonaut 2 in the lab at the Johnson Space
Center here in Houston and has, to some extent, bonded with it. “They
enjoyed working with it and taking pictures with it.  They really sort
of adopted Robonaut 2 as a part of their crew and, while I am not a
social psychologist, I think the crews on the space station will enjoy
the company of a humanoid robot,” he said.

In addition to the robot, Discovery will
carry a storage module and supplies to the space station.  The 11-day
journey will be the 39th and final mission of the oldest space shuttle.
iscovery was first launched in 1984 and has since flown close to 230
million kilometers. The shuttles Endeavour and Atlantis are scheduled to make their final flights later this year.

 
Source: RFA
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Categories: Technology
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