STriDER the three legged robot
A three-legged robot with an unconventional and graceful walk has been developed by US researchers. Like humans, it exploits gravity to save energy with each step, but it also flips its entire body upside-down with each stride.The fearsome alien tripods in HG Well’s book The War of The Worlds are described as moving like “a milking stool tilted and bowled violently along the ground”. STriDER (Self-excited Tripedal Dynamic Experimental Robot) has a far more graceful, and acrobatic, gait that sees its body flip 180 degrees with each step. A second video explains more about the project and shows the initial prototype.To take a step forwards, the robot shifts its weight onto two of its legs, allowing itself to fall forwards away from the third leg. Its body then flips upside-down and the third leg swings up between the other two just in time to catch the ground and return STriDER to a stable tripod stance. To change direction, the robot simply switches its choice of swinging leg. [read more ... ]New Scientist Tech, Tripedal robot swings itself into action
More information:
RoMeLa ( Dennsi Hong’s site )
You Tube video of STriDER 2.0′s first steps
Robot Lab; STriDEr: Virginia Tech’s creepy, three legged bot
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