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krisi
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flat
krisi   10/4/2013 12:43:25 PM
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great demo...but the surface was flat...better than tread-mill for cheetah but still unrealistic...waiting for the real terrain demo

krisi
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flat
krisi   10/4/2013 12:44:28 PM
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great demo...but the surface was flat...better than tread-mill for cheetah but still unrealistic...waiting for the real terrain demo

Caleb Kraft
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Re: flat
Caleb Kraft   10/4/2013 12:56:01 PM
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Judging by their past experiences with BigDog and the massive improvements it has made over time, I would expect some uneven terrain demos at some point. However, just like everything else that runs on legs, it will obviously be slower in unpredictable circumstances. 

krisi
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Re: flat
krisi   10/4/2013 1:19:17 PM
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Slower is fine but uneven terrain is essential...for flat surfaces we have cars and bikes, no need for a 4-leg robot

Caleb Kraft
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Re: flat
Caleb Kraft   10/4/2013 1:37:21 PM
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I could be wrong here, but I think the goal is to have something that can transisiton from sprinting on even terrain to navigating things where wheels don't work well, Imagine this and bigdog combined.

chrisnfolsom
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Quite impressive
chrisnfolsom   10/4/2013 2:21:21 PM
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Interesting they are using the gasolin engine for a powerplant (hydrolics?) - usually proof of concept doesn't need to deal with a "practical" power source.  This thing could probably have a large range using gasoline.  It was nice to see the gallop and trot - any dressage ;)  We have seen others climb stairs and clear obsticles although who really knows what it's capabilities/limitations 16mph is pretty quick on legs.  That is quite a large mass to move, balance and even turn - very, very impressive - and it seems to have all the logic on board - it would be nice to know how autonimous it is.  It also looks like they could easily tuck the legs, or have it in a cart for transportation.  Very impressive demonstration.

KeithSchaub
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Gotta Crawl Before You Can Run
KeithSchaub   10/4/2013 2:26:21 PM
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This is great progress. Sure it is running on a flat surface, but you have to crawl before you can walk (or run rather). Military uses aside, this is really a technology foundation for animal and/or human like assistance robots - think of the movie "iRobot". We may even see robotic pets like dogs, cats, perhaps even horses. Maybe someday replace the bulls and horses at rodeos removing the life threatening aspect? Could replace the fox in the English "fox hunt"? Could be used as horse riding training vehicles - much safer for children to learn that way? No more greyhound racing using real dogs - contestants compete instead with their latest greyhound robotic dog? I wonder why they used a combustion engine (I'm guessing some modified motorcycle), instead of an modified electric motorcycle. Maybe that's what they will do next?

 

 

goafrit
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Re: flat
goafrit   10/4/2013 2:38:21 PM
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Very commendable. Will be good if it can climb the mountains of Kabul. 

goafrit
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Re: flat
goafrit   10/4/2013 2:42:37 PM
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>> However, just like everything else that runs on legs, it will obviously be slower in unpredictable circumstances. 

The big question is whether it can actually work in an unpredicatable environment. But they have a decent work but we are still years away from the real deal

Caleb Kraft
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Re: flat
Caleb Kraft   10/4/2013 2:48:02 PM
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I think bigdog and LS3 are clear 100% evidence that their system works in unpredictable and rough terrain. 

 

Here's LS3 on moderately uneven terrain, including some spills down embankments. It also shows a bit of the navigational path system. 

 

Now imagine that this thing could go into a full sprinting gait when it hits a fairly smooth path!

 

 

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