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Credit: Osaka University
A group of researchers from Osaka University developed a quadruped robot platform that can reproduce the neuromuscular dynamics of animals (Figure 1), discovering that a steady gait and experimental behaviors of walking cats emerged from the reflex circuit in walking experiments on this robot. Their research results were published in
Frontiers in Neurorobotics.
It was thought that a steady gait in animals is generated by complex nerve systems in the brain and spinal marrow; however, recent research shows that a steady gait is produced by the reflex circuit alone. Scientists discovered a candidate of reflex circuit to generate the steady walking motion of cats, investigating locomotion mechanisms of cats by reproducing their motor control using robots and computer simulations.