Tunneling ball device - Low Latency Mechatronics

In cyber-physical systems, timing is everything. Controllers must deliver results within strict deadlines, demanding designs with predictable delays. This need for precision led to a fascinating challenge: the Tunneling Ball Device, an example filled with elements typical of cyber-physical systems:

• Observation: Two sensors (b) and (c) keep an eye on a spinning disc (e) and the trajectory of falling balls.
• Prediction: This remarkable device anticipates precisely when a ball (d) will pass through the disc—a testament to its predictive ability.
• Physical control: At its core, a powerful motor (f) sets a spinning disc with two holes into motion. Physical control is the key to navigating the balls.
• Feedback loop: Ensuring seamless operation, a feedback loop (motor/rotary sensor) provides critical data to fine-tune the disc’s trajectory.

Achieving this delicate balance, accurately adjusting the disc’s trajectory within a tight timeframe as steel balls descend over a few decimeters, demands high-speed, hard real-time control. It’s the harmonious convergence of computation and physics, a hallmark of the cyber-physical systems landscape.