Van der Pol and the history of relaxation oscillations: toward the emergence of a concept.

  title={Van der Pol and the history of relaxation oscillations: toward the emergence of a concept.},
  author={Jean-Marc Ginoux and Christophe Letellier},
  volume={22 2},
Relaxation oscillations are commonly associated with the name of Balthazar van der Pol via his paper (Philosophical Magazine, 1926) in which he apparently introduced this terminology to describe the nonlinear oscillations produced by self-sustained oscillating systems such as a triode circuit. Our aim is to investigate how relaxation oscillations were actually discovered. Browsing the literature from the late 19th century, we identified four self-oscillating systems in which relaxation… Expand
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  • Proceedings of the National Academy of Sciences
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