MIT's cheetah robot runs faster, more efficiently, can carry its own power supply (video)
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This impressive efficiency is down to the use of electric motors over hydraulics, with a new "three phase permanent magnet synchronous motor" providing the necessary torque. Researchers also used biometric principles to conserve energy and reduce stress on joints, including Kevlar tendons across the back of the legs. With all those efficiency increases, it mean that MIT's cheetah can theoretically run while carrying its own power source. We've added a video after the break, where you can see the bot hit its top speed while carrying some battery dummy weights.