Swinging Blind Juggler

The Swinging Blind Juggler achieves stable juggling without any sensors to detect the ball. The same paddle shape and motion that stabilize the ball on the Blind Juggler also keep the ball from falling off the Swinging Blind Juggler. While the ball motion is stable without sensing, we need feedback to control the pendulum motion. Blind juggling is only possible if the pendulum remains synchronized to the ball motion. We developed a feedback strategy that uses special paddle motions to control the pendulum motion. The physics that make this possible are similar to what children intuitively use to control their amplitude on a swing.

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