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Primate inspires tiny leaping robot
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INSPIRED by the remarkable jumping ability of an African primate called a galago, scientists have fashioned a small robot with unique leaping capabilities they hope can someday be used in tricky search-and-rescue situations.
The scientists recently said they had built a robot, dubbed Salto, with vertical jumping agility like no other machine, able to leap into the air and then spring off a wall, or perform multiple vertical jumps consecutively.
In designing mobile robots, researchers sometimes mimic the way animals move. For example, some robots slither over terrain like a snake. In this case, the researchers sought to create a robot that might need to hurdle impediments as it traverses difficult terrain like the rubble of a building wrecked by an earthquake.
To design Salto, short for “saltatorial locomotion on terrain obstacles,” the University of California, Berkeley, researchers sought inspiration from one of the animal kingdom’s best leapers.
The galago, or bushbaby, is a relatively small, typically night-active and tree-dwelling primate. It is an agile leaper and can hop high in the air on two legs while on the ground. The goal was to build a robot better at leaping than any other.
“We looked to biology for inspiration because it’s fair to say that animals can outclass any robot when it comes to jumping,” said robotics researcher Duncan Haldane, who led the study published in the journal Science Robotics.
“Our goal was to have a search-and-rescue robot small enough to not disturb the rubble further (and) move quickly across the many kinds of rubble produced by collapsed buildings.”
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