R. J. Wiener, K. E. Callan, S. C. Hall, and T. Olsen, *Proportional feedback control of chaos in a simple electronic oscillator*,
The American Journal of Physics, vol. 74
(2006),
pp. 200 [p200_s1] .
**Abstract:**

*We demonstrate the control of chaos in a nonlinear circuit constructed from readily available electronic components. Control is achieved using recursive proportional feedback, which is applicable to chaotic dynamics in highly dissipative systems and can be implemented using experimental data in the absence of model equations. The application of recursive proportional feedback to a simple electronic oscillator provides an undergraduate laboratory problem for exploring proportional feedback algorithms used to control chaos.*