This library contains components that can be used to efficiently generate noise which can be used in simulations. Examples of the these components are:


Many thanks goes to T. Beutlich for his help in cleaing up the library, M. Sjoelund for his help with OpenModelica tests and D. Winkler for his advice with the Noise C code.

Contributions welcome!

This library is free software and maintained on GitHub. You may reportany issue with using the Issues button. Contributions in the form of Pull Requests are always welcome.


  1. Klöckner, A., Linden, F. L. J. van der, & Zimmer, D. (2014). Noise Generation for Continuous System Simulation. In Proceedings of the 10th International Modelica Conference (pp. 837–846). Lund, Sweden: Linköping University Electronic Press, Linköpings universitet. doi:10.3384/ecp14096837
  2. Linden, F. L. J. van der, Klöckner, A., & Zimmer, D. (2015). Effects of Event-Free Noise Signals on Continuous-Time Simulation Performance. IFAC-PapersOnLine, 48(1), 280–285. doi:10.1016/j.ifacol.2015.05.039
  3. Klöckner, A., Knoblach, A. & Heckmann, A. (2015). How to Shape Noise Spectra for Continuous System Simulation. In Proceedings of the 11th International Modelica Conference (pp. 837–846). Versailles, France. doi:10.3384/ecp15118411


Licensed by DLR under the 3-Clause BSD License

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Copyright © DLR Institute of System Dynamics and Control

Initial version implemented by A. Klöckner, F. v.d. Linden, D. Zimmer, M. Otter.

This Modelica package is free software and the use is completely at your own risk; it can be redistributed and/or modified under the terms of the 3-Clause BSD license, see the license conditions (including the disclaimer of warranty) in the User's Guide.

Modelica® is a registered trademark of the Modelica Association.


Name Description
UsersGuide User's guide
 Examples Examples for the Noise library
 Sources More noise sources
 Generators Additional random number generators
 Distributions Additional distributions
 Interpolators Additional interpolation packages
 Math Mathematical functions use in this library
Statistics Contains statistical blocks
 Plots A package of plotting functions
Tests Tests for several features of library

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