modelPhysicalModel
van der Pol equations
Extends from Modelica.Icons.Example (Icon for runnable examples).
Information
See documentation of the enclosing subpackage.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | mu | 0.2 | Damping |
| Real | A | 1.0 | Amplitude of excitation |
| Real | w | 1.2 | Rel. frequency of excitation |
| SI.Frequency | f | w*w0/(2*pi) | Excitation voltage frequency |
| Real | x0 | 2 | Initial value of x |
| Real | y0 | -2/15 | Initial value of y |
| Real | z0 | -5/6 | Initial value of z |
| SI.AngularVelocity | w0 | 2*pi*1000 | Natural angular velocity |
| SI.Capacitance | C | 100e-6/(2*pi) | Capacitor |
| SI.Inductance | L | 1/(w0^2*C) | Inductor |
| SI.Resistance | R0 | mu*sqrt(L/C) | Nonlinear resistor parameter |
| SI.Current | I0 | 0.5 | Nonlinear resistor parameter |
| SI.Voltage | V | A*I0/(w0*C) | Excitation voltage amplitude |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Current | i | triode.i | Current i |
| SI.CurrentSlope | didt | der(i) | Current slope der(i) |
| SI.Voltage | vc | capacitor.v | Voltage of capactor |
| Real | e | excitation.v*w0*C/I0 | Scaled excitation |
| Real | x | i/I0 | Scaled current |
| Real | y | didt/(w0*I0) | Scaled current slope |
| Real | z | vc*w0*C/I0 | Scaled capacitor voltage |
| Modelica.Electrical.Analog.Sources.CosineVoltage | excitation | ||
| Modelica.Electrical.Analog.Basic.Ground | ground | ||
| Modelica.Electrical.Analog.Basic.Inductor | inductor | ||
| Modelica.Electrical.Analog.Basic.Capacitor | capacitor | ||
| ChaoticCircuits.Components.Triode | triode |