BigDog Quadraped Robot

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From Boston Dynamics ( comes this odd-looking, gasoline-powered robot that looks like two guys carrying a couch, but acts almost alive.

"BigDog is powered by a gasoline engine that drives a hydraulic actuation system. BigDog's legs are articulated like an animal's, and have compliant elements that absorb shock and recycle energy from one step to the next. BigDog is the size of a large dog or small mule, measuring 1 meter long, 0.7 meters tall and 75 kg weight.

BigDog has an on-board computer that controls locomotion, servos the legs and handles a wide variety of sensors. BigDog's control system manages the dynamics of its behavior to keep it balanced, steer, navigate, and regulate energetics as conditions vary. Sensors for locomotion include joint position, joint force, ground contact, ground load, a laser gyroscope, and a stereo vision system. Other sensors focus on the internal state of BigDog, monitoring the hydraulic pressure, oil temperature, engine temperature, rpm, battery charge and others.

So far, BigDog has trotted at 3.3 mph, climbed a 35 degree slope and carried a 120 lb load."

Channel: Howto & Style
Uploaded: March 4, 2006 at 12:39 am
Author: astroroach

Length: 00:02:59
Rating: 4.86
Views: 200567

Tags: quadraped robot BigDog

Video Comments:
sarkasmi83 (August 11, 2008 at 7:54 am)
Quadraped :D ... Amazing balance. :)
evilborg (July 29, 2008 at 12:08 pm)
damn that is just cool as hell
NisseDeppster (July 14, 2008 at 11:43 am)
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hrdcdr (July 6, 2008 at 9:19 am)
genious!
modeler308 (June 27, 2008 at 5:04 pm)
How well does it function with armor plating and weapons?,.Can it be used to kill terrorists? What is its survivability under fire? Can it be made to function silently for stealth ops?
xklousiv (June 29, 2008 at 7:41 pm)
what a dumbass you are...
modeler308 (June 30, 2008 at 12:56 am)
Quel est-ce que des dumbass je suis ? . .if que vous ne voyez pas que les demandes militaires de ce genre de matériel alors VOUS sont les dumbass.
xklousiv (July 9, 2008 at 3:46 am)
you can speak english, it's way better than using a faulty translator. are you saying that you're in charge of acquiring this type of equipment for the army? lmao. come on buddy, you're way out of line with your zealous comments and your nerdy tone. "Can it be used to kill terrorists" are you fucking serious?
how old are you, I pray God that you're just an angry and scared teen, cos you can't possibly be that naive.
modeler308 (July 9, 2008 at 6:29 am)
Ok,here is American english. No,I am not connected with the US Military. I was asking questions that MIGHT be asked if I were. The arrangment of the'legs'on one of the ends is backwards. It moves much too slowly to be practical as a weapons platform. Unlike France which has surrendered its soverenty to pretty much everyone,America isnt that way. We will use ANYTHING to defeat the islamofascists. We havent had any terrorists killing anyone on OUR streets. You sleep well tonight,if you can.
Scorge120 (June 17, 2008 at 5:12 am)
omg that is way too cool!