Robots

Cornell Ranger Walks 40.5 Miles Non-Stop

Posted 12 May 2011 at 23:05 UTC by steve Share This

The Cornell Ranger robot has walked 40.5 miles non-stop without a recharge, setting a new world record. This beat Ranger's previous record of 14.3 miles, which itself topped Boston Dynamic's Bigdog record of 12.8 miles without refueling. The robot averaged 1.3 MPH for over 307 laps around Cornell's Barton Hall track. The total time was 30 hours, 49 minutes, and 2 seconds. From the new release:

Ranger has six small onboard computers executing about 10,000 lines of computer code. The programs run in a repeating loop every 1/500th of a second. The robot also has dozens of electrical and mechanical sensors. The electronics used 4.7 watts.

The researchers are learning about walking by reinventing it and hope to use what they learn on bigger, better walking robots. Their next goal: adding automatic steering to the robot, so it can do more than walk in circles on a track! For more see the Cornell news release. And, if you're thinking of challenging Ranger's record, you may want to check out the Guinness rules for Legged Robot Distance Records

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