Conference article

Modelica-Association-Project “System Structure and Parameterization” – Early Insights

Jochen Köhler
ZF Friedrichshafen AG, Germany

Hans-Martin Heinkel
Robert Bosch GmbH, Germany

Pierre Mai
PMSF IT Consulting, Germany

Jürgen Krasser
AVL List GmbH, Austria

Markus Deppe
dSPACE, Germany

Mikio Nagasawa

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Published in: The First Japanese Modelica Conferences, May 23-24, Tokyo, Japan

Linköping Electronic Conference Proceedings 124:5, p. 35-42

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Published: 2016-05-18

ISBN: 978-91-7685-749-6

ISSN: 1650-3686 (print), 1650-3740 (online)


Starting with the motivation to invent the new standard SSP (“System Structure and Parameterization”) within the Modelica Association and the need to have one more standard beyond the mature Modelica language and the already well established Functional Mockup Interface (FMI) proposed in Modelica Association (Blochwitz et al, 2011), the main use-cases are presented were SSP can help. As SSP relies on XML, the schemas and in consequence the main features for defining system structures and parameterization of models are described. The need to be able to transport complex networks of FMUs between different simulation platforms like MIL, SIL and HIL is emphasized as a motivator for SSP. A variety of prototypes are shown that support the early version of SSP. This gives a good impression how the standard can be used for quite different tasks and proofs, that system structures can be exchanged between them seamlessly. Finally the next steps for the ongoing development of SSP are outlined.


FMI, System Structure, Parameterization, Collaboration, Standardization


Blochwitz T., Otter M., Arnold M., Bausch C., Elmqvist H., Junghanns A., Mauß J., Monteiro M., Neidhold T., Neumerkel D., Olßon H., Peetz J.-V., Wolf S., Clauß C. The Functional Mockup Interface for Tool independent Exchange of Simulation Models. Proceedings of the 8th International Modelica Conference, pp.105-114, Dresden, Germany, 2011 doi: 10.3384/ecp11063105.

Batteh J., Gohl J., Pitchaikani A., Duggan A., Fateh N. Automated Deployment of Modelica Models in Excel via Functional Mockup Interface and Integration with modeFRONTIER. Proceedings of the 11th International Modelica Conference, pp.171-180, Versailles, France, 2015 doi: 10.3384/ecp15118171.

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