Harry Guinness is an Irish freelance writer and photographer. He splits his year between Ireland and the French Alps. Harry’s work has been published in The New York Times, Popular Science, OneZero, Human Parts, Lifehacker, and dozens of other places. He writes about technology, culture, science, productivity, and the ways they collide.
While bipedal human-like androids are a staple of sci-fi movies, for many potential real world tasks, like rescuing people from burning buildings, flooded streets, or the freezing wilds, four-legged “robodogs” are better.
In the second “hard dynamics” fine-tuning stage, the same reward mechanism was used but the robots were no longer allowed to collide with obstacles. Again, the virtual robots had to figure out what techniques worked best to proceed forward while minimizing energy expenditure. All this training allowed the researchers to develop a “single vision-based parkour policy” for each skill that could be deployed in real robots.
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