One-Wheel Cubli Balances Like Magic

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Eight years and 14 million views ago, ETH Zurich introduced the Cubli, a robotic cube that can dynamically balance on a single point. It’s magical to watch, but at the same time, fairly straightforward to understand: there are three reaction wheels within the Cubli, one for each axis. And in a vivid demonstration of Newton’s third law, spinning up a reaction wheel exerts a force on the cube in the opposite direction, resulting in precision control over roll, pitch and yaw that allows the Cubli to balance itself, move around, and even jump.
https://spectrum.ieee.org/balancing-robot-cube
#robotics, #cubli, #zurich, #eth, #reaction, #wheel

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