Impedance vs Frequency Plot

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Alec Reed
Alec Reed 2018-7-31
编辑： madhan ravi 2018-11-12
I am experienced with Matlab but still learning Simulink. I am trying to use a lumped element model to simulate a ferrite bead, but struggling to set up the simulation. The electrical circuit is just a Parallel RLC connection and a in line resistance, created from sim space blocks (See Image 1). I want run a frequency sweep to show the impedance vs frequency(see image 2) I have tried Using the impedance measurement and the DSP tool box spectrum analyzer but have not been able to connect any measurement tools to my circuit. How can I run a frequency sweep within a Simulink simulation and output a impedance vs frequency bode plot?
(Image 1)
(image 2)
Thanks for the help!

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采纳的回答

David John
David John 2018-11-7
编辑：madhan ravi 2018-11-12
Simscape solves in the time-domain, so you cannot directly do a frequency sweep. You can, however, linearize the model and then perform a Bode analysis. Please see for an example of this approach.

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