Multi-Domain Vehicle Dynamics Simulation in Dymola

Andreas Deuring
Modelon GmbH München, Germany

Johannes Gerl
Modelon GmbH München, Germany

Harald Wilhelm
Audi AG Ingolstadt, Germany

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp1106313

Ingår i: Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Linköping Electronic Conference Proceedings 63:3, s. 13-17

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Publicerad: 2011-06-30

ISBN: 978-91-7393-096-3

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


In future cars; battery electric and hybrid electric drives will increasingly appear. Subsystems like e.g. the steering system and the braking system will accordingly be based on electric power supply. This leads to new challenges as well as opportunities also in the field of vehicle dynamics and an increased need of multidomain simulation concepts that combine multibody-based vehicle dynamics models and models of the electric and control systems. This paper includes a simulation study of the Audi sports car e-tron with electric power steering system using the Vehicle Dynamics Library from Modelon AB Sweden to model chassis and suspensions and the Modelica Standard Library to model the electric power steering system. The steering system controller unit was modeled alternatively in the Modelica Standard Library and in Matlab Simulink. Dymola and Matlab Simulink have alternatively been used as simulation environments whereas a special focus was put on different ways to integrate these tools according to standard development processes in the automotive industry. Additionally; extensive validation work was invested to compare vehicle dynamics results generated with ADAMS/Car and the Vehicle Dynamics Library.


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