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New algorithm enables MIT cheetah robot to run and jump, untethered, across grass.
mit.edu ^ | Jennifer Chu

Posted on 09/15/2014 10:52:14 AM PDT by RoosterRedux

Speed and agility are hallmarks of the cheetah: The big predator is the fastest land animal on Earth, able to accelerate to 60 mph in just a few seconds. As it ramps up to top speed, a cheetah pumps its legs in tandem, bounding until it reaches a full gallop.

Now MIT researchers have developed an algorithm for bounding that they’ve successfully implemented in a robotic cheetah — a sleek, four-legged assemblage of gears, batteries, and electric motors that weighs about as much as its feline counterpart. The team recently took the robot for a test run on MIT’s Killian Court, where it bounded across the grass at a steady clip.

In experiments on an indoor track, the robot sprinted up to 10 mph, even continuing to run after clearing a hurdle. The MIT researchers estimate that the current version of the robot may eventually reach speeds of up to 30 mph.

The key to the bounding algorithm is in programming each of the robot’s legs to exert a certain amount of force in the split second during which it hits the ground, in order to maintain a given speed: In general, the faster the desired speed, the more force must be applied to propel the robot forward. Sangbae Kim, an associate professor of mechanical engineering at MIT, hypothesizes that this force-control approach to robotic running is similar, in principle, to the way world-class sprinters race.

“Many sprinters, like Usain Bolt, don’t cycle their legs really fast,” Kim says. “They actually increase their stride length by pushing downward harder and increasing their ground force, so they can fly more while keeping the same frequency.”

(Excerpt) Read more at newsoffice.mit.edu ...


TOPICS: News/Current Events
KEYWORDS: mit; robotics; technology
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1 posted on 09/15/2014 10:52:14 AM PDT by RoosterRedux
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To: RoosterRedux

2 posted on 09/15/2014 10:53:48 AM PDT by RoosterRedux
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To: RoosterRedux

Now that “Bounding” is complete, they can move on to “Pounce” and “Tear Limb from Limb”.

How long before the first Police Cheetah-bot? Trained to kill dogs and take down people.


3 posted on 09/15/2014 10:55:16 AM PDT by DannyTN
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To: DannyTN

RoboCop Dog!


4 posted on 09/15/2014 10:56:02 AM PDT by MeshugeMikey (Please RESIGN Mr. President Its the RIGHT thing to do_RETIRE THE REGIME!)
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To: RoosterRedux

I can just see these as “drones” for ground troops. Equip them with a belt fed battle rifle. You can even have a armored “carrier” that would provide local signals aggregation, transportation and automated refit (ammo and fuel). Put the infantry troops back from the front lines but in close proximity. Perhaps the traditional Bn Hq area?

Drone wars?


5 posted on 09/15/2014 10:58:42 AM PDT by taxcontrol
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To: RoosterRedux

Very cool, but I guess I’ve watched too many sci-fi movies and read too many books. It also makes me a bit nervous.


6 posted on 09/15/2014 10:59:58 AM PDT by vpintheak (Keep calm and Fire for Effect!)
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To: RoosterRedux

If you get four more of them can you build a giant robot out of them?

7 posted on 09/15/2014 11:00:44 AM PDT by GraceG (No, My Initials are not A.B.)
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To: RoosterRedux

video of bot
https://www.youtube.com/watch?v=XMKQbqnXXhQ


8 posted on 09/15/2014 11:03:44 AM PDT by Bobalu (Hashem Yerachem (May God Have Mercy)
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To: RoosterRedux
Now if they can just get it to transform into a cassette, I might be interested in one.


9 posted on 09/15/2014 11:07:01 AM PDT by VanDeKoik
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To: DannyTN

Another good reason to own an “assault rifle”. Now I want one with a grenade launcher.


10 posted on 09/15/2014 11:07:02 AM PDT by smokingfrog ( sleep with one eye open (<o> ---)
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To: RoosterRedux

gotta watch your diction, start telling people there’s a “cheetah” at MIT and New Englanders will be wanting him/her expelled ;-)


11 posted on 09/15/2014 11:07:39 AM PDT by bigbob (The best way to get a bad law repealed is to enforce it strictly. Abraham Lincoln)
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To: rdb3; Calvinist_Dark_Lord; JosephW; Only1choice____Freedom; amigatec; Ernest_at_the_Beach; ...

12 posted on 09/15/2014 11:10:41 AM PDT by ShadowAce (Linux -- The Ultimate Windows Service Pack)
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To: Bobalu

That thing looks and runs more like a Hyena.


13 posted on 09/15/2014 11:10:50 AM PDT by moose07 (the truth will out ,one day. Barry is counter revolutionary ,Denounce him!)
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Comment #14 Removed by Moderator

To: smokingfrog
Just don't press the red button...


15 posted on 09/15/2014 11:12:43 AM PDT by DannyTN
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To: GraceG

I still would rather have the reconfigurable Valkyrie or Alpha Fighter. An SDF-1 would be nice too.


16 posted on 09/15/2014 11:13:39 AM PDT by wally_bert (There are no winners in a game of losers. I'm Tommy Joyce, welcome to the Oriental Lounge.)
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To: GraceG

I still would rather have the reconfigurable Valkyrie or Alpha Fighter. An SDF-1 would be nice too.


17 posted on 09/15/2014 11:13:54 AM PDT by wally_bert (There are no winners in a game of losers. I'm Tommy Joyce, welcome to the Oriental Lounge.)
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To: bigbob

But if you say he is a black cheetah or panther, it’ll be OK, in fact, encouraged.


18 posted on 09/15/2014 11:14:10 AM PDT by A Formerly Proud Canadian (I once was blind but now I see...)
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To: bigbob

It was running in the pawk.
Wicked cool man.


19 posted on 09/15/2014 11:15:21 AM PDT by bicyclerepair (Barry is but a symptom of the disease that killed this republic. TERM LIMITS ... TERM LIMITS)
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To: Bobalu

Bump for later. :)


20 posted on 09/15/2014 11:17:48 AM PDT by Diana in Wisconsin (I don't have 'Hobbies.' I'm developing a robust Post-Apocalyptic skill set...)
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