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Development of a simulation tool for dynamic behaviour of cross country rally cars
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Vehicle Dynamics.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This study was conducted for the cross-country rallying department of Peugeot Sport in 2016. The goal was to develop vehicle dynamic simulation processes and exploit them in order to speed up the suspension development on the DKR buggy. After careful analysis of the various solutions available (both in terms of physics and softwares), the option of a full vehicle model developed on the VI-Motorsport suite was favored. In order to setup this model correctly, the required vehicle data were measured and integrated. Certain elements required a thorough study and specific measurements to be properly modeled, including the tires and the dampers. Specific correlation testing was also performed to refine the modeling later on. Finally, the model was used to investigate new damper laws and compare them. 156 theoretical laws were created and evaluated on 3 road profiles identified as relevant and representative for the cross-country rallying program. The outcomes of this study were then integrated in the design of new dampers to be tested on track. The simulation tool developed during this project will be able to reveal several interesting development paths both in terms of kinematics and dynamics of the buggy’s suspension.

Place, publisher, year, edition, pages
2017. , p. 68
Series
TRITA-AVE, ISSN 1651-7660 ; 2017:84
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-224158OAI: oai:DiVA.org:kth-224158DiVA, id: diva2:1189542
External cooperation
Peugeot Sport
Examiners
Available from: 2018-04-19 Created: 2018-03-12 Last updated: 2018-04-19Bibliographically approved

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