WOLFRAM SYSTEM MODELER
ShowTransferFunctionTest complex transfer function block |
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Diagram
Wolfram Language
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SystemModel["Modelica.ComplexBlocks.Examples.ShowTransferFunction"]
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Information
This information is part of the Modelica Standard Library maintained by the Modelica Association.
This example shows the response of a PT2 (mechanical spring-mass-damper system with an acceleration acting on the mass) defined by its transfer function
-m
H(jw)=-------------------
m*(jw)^2 + d*jw + c
Frequency performs a logarithmic ramp from 0.01 to 100 s^-1.
Plot the magnitude locus (in dB) dB versus lg_w and the phase locus versus lg_w.
Parameters (7)
| m |
Value: 0.2 Type: Mass (kg) Description: Mass |
|---|---|
| d |
Value: 0.01 Type: TranslationalDampingConstant (N⋅s/m) Description: Damping coefficient (not the damping ratio) |
| c |
Value: 0.1 Type: TranslationalSpringConstant (N/m) Description: Stiffness |
| b |
Value: {-m / oneUnitMass} Type: Real[:] Description: Unitless numerator polynomial coefficients {-m} of the transfer function |
| a |
Value: {m / oneUnitMass, d / oneUnitDampingConstant, c / oneUnitSpringConstant} Type: Real[:] Description: Unitless denominator polynomial coefficients {m,d,c} of the transfer function |
| wMin |
Value: 0.01 Type: Real Description: Lower bound for frequency sweep |
| wMax |
Value: 100 Type: Real Description: Upper bound for frequency sweep |
Components (4)
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logFrequencySweep |
Type: LogFrequencySweep Description: Logarithmic frequency sweep |
|---|---|---|
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const |
Type: ComplexConstant Description: Generate constant signal of type Complex |
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transferFunction |
Type: TransferFunction Description: Complex Transfer Function |
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complexToPolar |
Type: ComplexToPolar Description: Converts complex to polar representation |