Equipped with a single-stroke gasoline engine that maintains pressure in the hydraulics of the robot
To maintain balance and choose a path, a system of laser gyroscopes is used, binocular vision, plus a bunch of various sensors to determine the position of the limbs and analyze the “health” of the robot.
The robot can move as if it is offline, while the onboard computer takes control of the type of surface on which it is moving (asphalt, snow, mud, ice, etc.), and choosing the most appropriate motion algorithm, or controlled from the console . One of the latest videos with a demonstration of opportunities:
Humorous video from the creators of the robot:
Example of a person escort:
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PS: Boston Dynamics has several interesting developments besides BigDog:
PPS: IMHO makes a fascinating and creepy impression. Upd.: Unfortunately I did not find it immediately with a search, but mithgolbeat me to an hour and a half.