robot can change flashlight batteries
TRANSCRIPT
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Robot Can Change Flashlight Batteries
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A Sandia National Laboratories research team has adopted a method by building a
modular, plastic proto-hand whose electronics system is basically produced from
parts present in cell phones.
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The Sandia Hand is still able to perform with a top level of finesse and get a robot, and is actually even able to replacing the batteries
in a small flashlight.
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It is anticipated to cost about $10,000, a fraction of the $250,000 price ticket for
getting a state-of-the-art robot hand today.
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What Goes Into Making The Hand
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The researchers could actually scrimp in numerous clever ways.
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"One was scouring world for the most cost effective, highest-performing components
like motors, gears, etcetera," says Curt Salisbury, this project's principal
investigator.
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"Another was to build the complete electronics system from commodity parts,
especially those found in cell phones."
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We also moved from metal structural elements to plastic, being careful to style the
structures so the plastic would offer adequate strength.
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The Hand's current incarnation has only four fingers, including very similar to an
opposable thumb.
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"The truth is that for a wide variety of manipulation tasks that humans do, four
fingers is all you need to do," Salisbury says.
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Still, future iterations no matter what the Hand could have several fingers as well as
arrangement patients fingers without adding much cost or complexity.
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The Sandia Hand's fingers are modular and affixed to the hand frame via magnets.
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This gives the researchers the pliability to style, interchangeable appendages tipped
with screwdrivers, flashlights, cameras together with other tools.
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The fingers can also be invented to detach automatically to stay clear of damage in the event the hand hits a wall or another solid
object too hard.
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The researchers say the hand can even be manipulated to retrieve and reattach a fallen
finger.
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How The Hand Is Controlled
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While the Hand might someday be programmed to operate autonomously, right
now a human controls the device using probably a sensor-laden glove or a basic
control panel.
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The glove is a custom design that reads a person's hand posture and attempts to copy
that with the robot hand, Salisbury says.
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The communication protocol at once this is definitely USB cable, but may very well be
upgraded to incorporate any wireless communications approach, he adds.
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The team's goal is to produce a glove that costs about $1,000.
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Sandia researchers are trying upgrades to the Hand, including a palm with two
embedded cameras that convey stereo images to a human operator in the course of
the grasping sequence.
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"Afterward," Salisbury says, "we hope this kind of technology will move to field tests."
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There will be videos of the Sandia Hand demonstrating quite a few capabilities, including lifting a suitcase, choosing a telephone handset and, perhaps most
impressively, dropping a AA battery right into a flashlight.