This all terrain robot takes it like a GOAT
With GOAT (Good Over All Terrains) the EPFL team designed a morphing robot that can take all terrains
Researchers led by Josie Hughes in the CREATE Lab in EPFL’s School of Engineering wanted to develop a robot that could traverse diverse environments as adeptly as animals by changing form on the fly. With GOAT (Good Over All Terrains) they have achieved just that – and created a new paradigm for robotic locomotion and control in the process.
Thanks to its flexible yet durable design, GOAT can spontaneously morph between a flat ‘rover’ shape and a sphere as it moves. This allows it to switch between driving, rolling, and even swimming, all while consuming less energy than a robot with limbs or appendages.
“While most robots compute the shortest path from A to B, GOAT considers the travel modality as well as the path to be taken,” Hughes explains. “For example, instead of going around an obstacle like a stream, GOAT can swim straight through. If its path is hilly, it can passively roll downhill as a sphere to save both time and energy, and then actively drive as a rover when rolling is no longer beneficial.”
The research has been published in Science Robotics.
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