Control Of Non Linear Oscillations In Plasma Governed By A Van Der Pol Equation

Gbedo, Yemalin Gabin (2011-11-19)

Thesis

This thesis deals with the control of non linear oscillations in plasma governed by a classical Van der Pol equation . The main interest devoted to such an investigation is that non linear oscillations in plasma is essential in industry. In chapter 1 , we present some generality on the dynamical systems . Chapter 2 is focussed on the analytical study of the Van der Pol equation in autonomous regime . The amplitude and the phase of the stable limit cycle are derived using the Averaging Method . In chapter 3 , we investigate the oscillations in plasma.

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