So what I need is this in OpenModelica:

http://de.mathworks.com/help/simulink/s … noise.html

Thank very much you for your help!

With the filter I got my standard variance if I have the right spectral density:


My RNG:
Noise.PRNG MyNoise(redeclare function PSD = Noise.PSD.PSD_WhiteNoise, useSampleBasedMethods = true, redeclare function PDF = Noise.PDF.PDF_Uniform(interval = {-1, 1}, samplePerioad= 0.001)

So interval tell me the upper and lower noise value, but what how can I set a power spectral density like 0.5 N^2 / Hz?

Thank you for your answer.
I just used an PT1 element for band-limited noise.

But the current problem is, that I don´t know how to set the standard deviation and power spectral density?

Hey Guys,

I still need your help. Anyone have an idea?

Best regards!

Hello,

I need a band-limited noise with a center frequency of 10 Hz. How can I setup such a noise block? I would like to also set the standard deviation and power spectral density.

I currently use the system library noise, but I only get white-noise...
https://build.openmodelica.org/Documentation/Noise.html

Thank you!