Been following this for some time, and potential uses.
Robot Dog Learns to Walk Tough Terrain in 20 Minutes
New Scientist, Alex Wilkins, August 26, 2022
Researchers at the University of California, Berkeley (UC Berkeley) developed a machine learning algorithm that enabled a robot dog to learn to navigate difficult terrain in only 20 minutes. The Q-learning algorithm does not need a model of the target terrain. As a result, said UC Berkeley's Sergey Levine, "We don't need to understand how the physics of an environment actually works, we just put the robot into an environment and turn it on." The algorithm teaches the robot by rewarding it for each successful action until reaching its ultimate goal. The researchers demonstrated that the robot was able to walk on terrains it had not previously encountered, including grass, a layer of bark, a memory foam mattress, and a hiking trail, after about 20 minutes of training on each. ... '
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