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Le Bâton: A Digital Musical Instrument Based on the Chaotic Triple Pendulum

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John Sullivan

Le Baton with hand for interaction, plant for decoration, and 3 different colors for visualization


Description:

Le Bâton is a new digital musical instrument based on the nonlinear dynamics of the triple pendulum.

The triple pendulum is a simple physical system constructed by attaching three pendulums vertically such that each joint can swing freely. When subjected to large oscillations, its motion is chaotic and is often described as unexpectedly mesmerizing. Le Bâton uses wireless inertial measurement units (IMUs) embedded in each pendulum arm to send real-time motion data to Max/MSP. We implemented a control mechanism, allowing a user to remotely interact with it by setting the initial release angle, and designed mappings between pendulum movements and sound synthesis for sonification.


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