Researchers at Switzerland's ETH Zurich and chipmaker Nvidia developed an army of more than 4,000 simulated doglike robots and used them to train an algorithm to control a real-world robot's legs.
These "ANYmals" can navigate slopes, steps, steep drops, and other challenges in a virtual environment.
The algorithm was transferred to a real-world, four-legged robot, which could navigate stairs and blocks but encountered difficulties at higher speeds due to what the researchers said were inaccuracies in how the robot's sensors perceive the real world versus the simulation.
The researchers said running the simulations on Nvidia's chips instead of general-purpose chips allowed them to train the robots in less than a hundredth of the time it typically takes.
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Abstracts Copyright © 2021 SmithBucklin, Washington, DC, USA
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