We see a lot of biped walking robots, but scientists at the University of Arizona have taken a lot of effort to make one with a human-like step. Instead of out brain doing all the work to control walking, we use a small part of our bodies located on our lower back called the central pattern generator (CPG) to augment our minds. By creating a basic digital version of that and connecting some feedback sensors in the legs, a more natural human stride was created. Though the robot can not yet balance on its own and has to function with a balancing aid, it is interesting to see how the robot can provide insight about the human gait.
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