Van der Pol oscillation
This example shows the simulation of a Van der Pol oscillation using
QFIRE Studio
.Introduction
The Van der Pol oscillation is a non-conservative oscillator with non-linear damping. It is described by the following differential equation:
Simulation
In
QFIRE Studio
the system was modelled as in Figure 1.
Figure 1 - Van der Pol oscillation diagram
The Integrator 1, in Figure 2, has its initial value set as 1. It is necessary for the correct operation of the system.
Figure 2 - Rescaling the signals
The results of this system are shown in Figure 3. It is important to emphasize that there is a transitory phase that lasts about 30 seconds.
Figure 3 - Two signals of the Van der Pol oscillation
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