New tendon-based robotic hand designs trained with PPO to learn one-armed catch
_krishna_murthy · x · 2026-10-23
Developer Trevor Knott shared new designs for tendon-based robotic hands, aiming for two arms to eventually play catch at 30 feet — one arm wearing a glove, the other grabbing and throwing the ball.
He shows a PPO reinforcement learning sim session that fails at first, then begins to succeed by running 24 parallel worlds.
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