Otter, M. and Schlegel, C. and Elmqvist, E. (1997) Modeling and Realtime Simulation of an Automatic Gearbox using Modelica. 9th European Simulation Symposium and Exhibition Simulation in Industry, 19.-22.10.97, Passau.
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Abstract
To speed up the development cycle of electronically controlled mechanical devices, hardware-in-the-loop simulation is used more and more. Applying this method to an automatic gearbox of a car, the electronic transmission control hardware is tested against a model of the gearbox, which is simulated in realtime. Modeling such a system is a demanding task, because its structure varies during gearshift. Since the gearbox investigated has six switching elements (clutches and freewheels) the actual structure has to be found amongst 2^6=64 possible configurations. It is shown how such a variable structure system can be modeled with Modelica and how a consistent configuration can be found in realtime after a gearshift occured. The results presented show that it is possible to simulate variable structure systems in realtime using standard realtime simulation hardware and appropriate software tools.
Item URL in elib: | https://elib.dlr.de/11715/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Paper) | ||||||||||||
Additional Information: | LIDO-Berichtsjahr=2001, | ||||||||||||
Title: | Modeling and Realtime Simulation of an Automatic Gearbox using Modelica | ||||||||||||
Authors: |
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Date: | 1997 | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
Page Range: | pp. 115-121 | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | hardware-in-the-loop, simulation, gearbox, variable structure systems, realtime simulation | ||||||||||||
Event Title: | 9th European Simulation Symposium and Exhibition Simulation in Industry, 19.-22.10.97, Passau | ||||||||||||
Organizer: | ESS'97 | ||||||||||||
HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||
HGF - Program: | Space (old) | ||||||||||||
HGF - Program Themes: | W SY - Technik für Raumfahrtsysteme | ||||||||||||
DLR - Research area: | Space | ||||||||||||
DLR - Program: | W SY - Technik für Raumfahrtsysteme | ||||||||||||
DLR - Research theme (Project): | UNSPECIFIED | ||||||||||||
Location: | Oberpfaffenhofen | ||||||||||||
Institutes and Institutions: | Institute of Robotics and Mechatronics (until 2012) | ||||||||||||
Deposited By: | DLR-Beauftragter, elib | ||||||||||||
Deposited On: | 16 Sep 2005 | ||||||||||||
Last Modified: | 14 Jan 2010 17:54 |
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