inControl

ep9 - Rodolphe Sepulchre: Spiking control systems, nonlinear control, neuroscience and optimization on manifolds

Feb 15, 2023
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ANECDOTE

The Lecture That Sparked A Career

  • Rodolphe recalls a thermodynamics lecture that ignited his passion for research when the professor's excitement filled the room.
  • He credits that accidental resonance as a pivotal event that steered him toward control theory and teaching-research fusion.
INSIGHT

Mixed Feedback Unifies Analog And Digital

  • Mixed feedback combines negative feedback (regulation) and positive feedback (switching) and explains events like neural spikes.
  • Treating systems as mixed-feedback amplifiers unites cybernetics, neuroscience, and event-based engineering.
INSIGHT

Spikes As Mixed-Feedback Events

  • Hodgkin-Huxley explains spikes via attaching positive and negative feedback current sources to an RC circuit.
  • Thresholds arise from mixed feedback, turning disturbances above a level into communicable events (spikes).
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