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Real-time Simulation of Detailed Automotive Models

Elmqvist, H. and Mattsson, S.E. and Olsson, H. and Andreasson, J. and Otter, M. and Schweiger, C. and Brück, D. (2003) Real-time Simulation of Detailed Automotive Models. In: Proceedings, pp. 29-38. 3rd International Modelica Conference, 2003-11-03 - 2003-11-04, Linköping.

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Official URL: http://www.modelica.org/Conference2003/papers/h38_Elmqvist_realtime.pdf


This paper describes typical modeling and realtime simulation issues that occur in automotive applications. Real-time simulations of detailed Modelica benchmark models for chassis and powertrain are presented. They demonstrate the powerful real-time capabilities of Dymola and the Modelica modeling language. One of the benchmark models for vehicle dynamics is a detailed model with 72 degrees-of-freedom with bushings in both the front and rear wheel suspensions. It was simulated in real-time with a sample rate of 500 Hz on the RT-LAB environment from OPAL-RT using a Pentium 4, 3066 MHz processor. This is made possible by Dymola?s unique and elaborate symbolic processing of the model equations.

Document Type:Conference or Workshop Item (Paper)
Additional Information:LIDO-Berichtsjahr=2003,
Title:Real-time Simulation of Detailed Automotive Models
AuthorsInstitution or Email of Authors
Elmqvist, H.Dynasim AB, Sweden
Mattsson, S.E.Dynasim AB, Sweden
Olsson, H.Dynasim AB, Sweden
Andreasson, J.KTH Vehicle Dynamics, Sweden
Brück, D.Dynasim AB, Sweden
Journal or Publication Title:Proceedings
Page Range:pp. 29-38
Keywords:multibody, vehicle dynamics, multi-domain simulation, Modelica, real-time simulation, modeling simulation Modelica physical model realtime powertrain chassis vehicle dynamics symbolic processing
Event Title:3rd International Modelica Conference
Event Location:Linköping
Event Type:international Conference
Event Dates:2003-11-03 - 2003-11-04
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flexible Aircraft (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics
Deposited By: elib DLR-Beauftragter
Deposited On:03 Nov 2008
Last Modified:12 Dec 2013 20:02

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