Science Fiction Dictionary
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

 

DLR Robotic Hand-Arm Is Super-Strong, Super-Tough

Researchers at the Institute of Robotics and Mechatronics, part of the German Aerospace Center (DLR), have created what may be the toughest and strongest robotic hand ever made. The fingers can exert a force of up to 30 newtons at the fingertips, and is tough enough to withstand repeated blows from a hammer, as shown in the video below.


(From Anthropomorphic robot hand from German Aerospace Center (DLR) )

The hand is fully anthropomorphic, with five articulated fingers powered by a set of 38 tendons, each attached to a individual motor encased in the forearm. The full DLR Hand-Arm System "mimics the kinematic, dynamic and force properties of the human arm using variable passive compliance actuators" and has a total of 52 drives and more than 100 sensors.

The new hand can catch a ball thrown from several meters away. The actuation and spring mechanisms are capable of absorbing the kinetic energy without structural damages.

But the hand can’t always be in a stiff mode. To do manipulation tasks that require accuracy, it’s better to have a hand with low stiffness. By adjusting the tendon motors, the DLR hand can do just that.

To operate the hand, the researchers use special sensor gloves or simply send grasping commands. The control system is based on monitoring the joint angles. It doesn’t need to do impedance control, says Markus Grebenstein, the hand's lead designer, because the hand has compliance within the mechanics.

To detect whether an object is soft and must be handled more gently, the hand measures force by keeping track of the elongation of the spring mechanisms.

“In terms of grasping and dexterity, we’re quite close to the human hand,” he says

Robert Heinlein directed our attention to robotic hands in his 1956 novel The Door Into Summer. When designing Flexible Frank, the all-purpose robot, great attention was paid to the manipulators provided to the robot:

Hands I could order from the atomics-engineering equipment companies who supplied Hired Girl's hands, only this time I would want the best, with wide-range servos and with the delicate feedback required for microanalysis manipulations and for weighing radioactive isotopes...
(Read more about Heinlein's robot hand)

From IEEE Spectrum; see also the full DLR Hand-Arm-System.

Scroll down for more stories in the same category. (Story submitted 1/26/2011)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 2 )

Related News Stories - (" Robotics ")

CyberOne Robot By Xiaomi vs. Optimus Robot By Tesla
'I shall introduce myself... I am a robot.' - Isaac Asimov, 1953.

Giving Snakes Their Legs Back
Then some unknown race had chanced upon the dreamers and decided to 'help them out.' - Vernor Vinge, 1992.

Video! Chess Robot Breaks Opponent's Finger In Match
'A robot may not injure a human being.' - Isaac Asimov, 1942.

NAVER Labs Haptic Device 2.0 Robot vs. IKEA
'... the two pairs of waldoes in the screen followed in exact, simultaneous parallelism.' - Robert Heinlein, 1942.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

Science Fiction Timeline
1600-1899
1900-1939
1940's   1950's
1960's   1970's
1980's   1990's
2000's   2010's

Current News

CyberOne Robot By Xiaomi vs. Optimus Robot By Tesla
'I shall introduce myself... I am a robot.'

Giving Snakes Their Legs Back
Then some unknown race had chanced upon the dreamers and decided to 'help them out.'

'Ring Nation' Show Predicted By William Gibson In 1999
'... you had your trademark Lucky Dragon Global Interactive Video Column outside.'

SolarXOne Solar-Powered Drone Flies (almost) Forever
'It's an Indian Air Force drone; its solar cells could power an entire farm.'

Video! Chess Robot Breaks Opponent's Finger In Match
'A robot may not injure a human being.'

Virtual Co-Embodyment - Two People Control One Virtual Body
'... we were supposed to be forming five unit composites first."

The Wanderer: Eyebot From Fallout, Eye From Zelazny
'We send our eyes on their appointed rounds, and they can hover or soar or back up...'

Experts Decry Planet-Scale Schemes To Limit Global Heating
'Light from the sun hit those little spheres and bounced.'

OrganEx Revives The Organs In Dead Pig
'Wakened into half-life activity one hour a month...'

NAVER Labs Haptic Device 2.0 Robot vs. IKEA
'... the two pairs of waldoes in the screen followed in exact, simultaneous parallelism.'

Spaceships Should Last So Long
'THE SPACE VESSEL was traveling swiftly… For over five thousand years they had Voyaged on and on.’

Shine On, Portable Wind Turbine
'Sometimes a man has a windmill on his roof...'

Amazing Indoor Robotic Drones Mimic Dolphins and Whales
'They circled the vast audiences, dancing, twittering, chirping...'

Space Station Shutters
'The sun-quilt was a patchwork of colors and materials on the inward side, but silvered on the outward side...'

Tiny Mining - Extract Precious Industrial Minerals From Your Own Body
'Jim, I saw them reduce four of my doctors and nurses into those little cubes!'

MIT Proposes Space Bubbles To Combat Climate Change, Misses The Point Of Space Bubbles
'Fats Jordan was hanging in the center of the Big Glass Balloon, hugging his guitar to his massive black belly above his purple shorts..'

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.