Article | Proceedings of the 10<sup>th</sup> International Modelica Conference; March 10-12; 2014; Lund; Sweden | Transmission Modeling in Modelica: A consistent approach for several software development platforms
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Title:
Transmission Modeling in Modelica: A consistent approach for several software development platforms
Author:
Jochen Köhler: ZF Friedrichshafen AG, Friedrichshafen, Germany Michael Kübler: ZF Friedrichshafen AG, Friedrichshafen, Germany Julian King: ZF Friedrichshafen AG, Friedrichshafen, Germany
DOI:
10.3384/ecp14096259
Download:
Full text (pdf)
Year:
2014
Conference:
Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden
Issue:
096
Article no.:
026
Pages:
259-264
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2014-03-10
ISBN:
978-91-7519-380-9
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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Simulation models play a fundamental role in the development of transmission control software. In the ideal case; the same model can be used throughout the whole development process from concept and design over implementation to system verification. The idea is to use one uniform model along this V-scheme. This leads to the requirement that simulations have to be able to run in real-time on hardware-in-the-loop platforms. On the other hand; very detailed models of some components might be needed during the early design phase. Thus; a trade-off between modeling depth and computational performance has to be found. This may be achieved by selectively simplifying parts of the model that are prone to generating stiff sub-systems or a large number of state events. Within this framework; the present paper introduces the Modelica simulation model of TraXon; the new modular transmission for heavy commercial vehicles by ZF. The model can be adapted to various needs by replacing components according to the required modeling depth and/or dynamical behavior. After a brief overview of the ZF in-house Modelica libraries and the architecture of the TraXon model; some approaches and tools are described for evaluating and optimizing models with respect to real-time issues.

Keywords: ZF Modelica libraries; model simplification; performance analysis; hardware-in-the-loop

Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Author:
Jochen Köhler, Michael Kübler, Julian King
Title:
Transmission Modeling in Modelica: A consistent approach for several software development platforms
DOI:
http://dx.doi.org/10.3384/ecp14096259
References:

[1] Koehler J, Banerjee A. Usage of Modelica for transmission simulation in ZF. Proceedings of the 4th Modelica Conference 2005, Hamburg, Germany, Modelica Association, 7-8 March 2005

[2] Modelica Standard Library (Version 3.2), Modelica Association, 2010, https://www.modelica.org/libraries

[3] Dymola 2014, Dassault Systemes http://www.3ds.com/productsservices/catia/capabilities/systemsengineering/modelica-systemssimulation/dymola

[4] SimulationX 3.6, ITI GmbH, http://www.itisim.com/simulationx/

[5] Matlab / Simulink, The Mathworks, http://mathworks.com

[6] ZF Friedrichshafen AG, www.zf.com/TraXon

[7] The DSblock model interface, https://www.modelica.org/documents/DSblock

Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden

Author:
Jochen Köhler, Michael Kübler, Julian King
Title:
Transmission Modeling in Modelica: A consistent approach for several software development platforms
DOI:
http://dx.doi.org/10.3384/ecp14096259
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