Experimental Investigation and Semi-Physical Modelling of the Influence of Rotational Speed on the Vertical Tyre Stiffness and Tyre Radii

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Abstract

Development and validation of vehicle dynamics controls and automated driving functions require real-time capable tyre models that are able to consider main influencing parameters at the tested operation condition accurately. In the presented study, experimental investigations with two types of tyres were conducted to quantify the effect of the tyre rotation on the vertical tyre stiffness, the unloaded, static and effective tyre radius. Based on the semi-physical handling tyre model TMeasy, an enhanced modelling approach is presented which is able to consider the rotational speed dependent tyre behaviour in an effective semi-physical and numerically efficient manner. The measurement results of the tyre testing series are analysed and the effects of the tyre rotation are identified. The tested tyres show a nearly linear rotational speed induced increase of the vertical stiffness and a non-linear increase of the unloaded radius. Finally, the performance of the presented enhanced semi-physical model for the vertical tyre force transmission and tyre radii is validated. The results are discussed and an outlook regarding further investigations is given.
LanguageEnglish
Title of host publicationDynamics of Vehicles on Roads and Tracks
Subtitle of host publicationProceedings of the 26th Symposium of the International Association for Vehicle System Dynamics
Number of pages10
StatusAccepted/In press - 24 Jun 2019
Event26th IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks - Lindholmen Conference Centre, Gothenburg, Sweden
Duration: 12 Aug 201916 Aug 2019
https://iavsd2019.se

Conference

Conference26th IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks
Abbreviated titleIAVSD 2019
CountrySweden
CityGothenburg
Period12/08/1916/08/19
Internet address

Fingerprint

Physical Modeling
Tire
Experimental Investigation
Tires
Stiffness
Vertical
Radius
Influence
Vehicle Dynamics
Dynamic Control
Physical Model
Quantify

Keywords

  • Tyre Modelling
  • Semi-Physical Modelling
  • Influence of Tyre Rotational Speed
  • Vehicle Dynamics and Handling
  • Experimental Investigation
  • Tyre Test Rig Measurements

ASJC Scopus subject areas

  • Automotive Engineering
  • Modelling and Simulation

Fields of Expertise

  • Mobility & Production

Treatment code (Nähere Zuordnung)

  • Basic - Fundamental (Grundlagenforschung)
  • Theoretical
  • Experimental

Cite this

Schabauer, M., Hackl, A., Hirschberg, W., & Lex, C. (Accepted/In press). Experimental Investigation and Semi-Physical Modelling of the Influence of Rotational Speed on the Vertical Tyre Stiffness and Tyre Radii. In Dynamics of Vehicles on Roads and Tracks: Proceedings of the 26th Symposium of the International Association for Vehicle System Dynamics

Experimental Investigation and Semi-Physical Modelling of the Influence of Rotational Speed on the Vertical Tyre Stiffness and Tyre Radii. / Schabauer, Martin; Hackl, Andreas; Hirschberg, Wolfgang; Lex, Cornelia.

Dynamics of Vehicles on Roads and Tracks: Proceedings of the 26th Symposium of the International Association for Vehicle System Dynamics. 2019.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Schabauer, M, Hackl, A, Hirschberg, W & Lex, C 2019, Experimental Investigation and Semi-Physical Modelling of the Influence of Rotational Speed on the Vertical Tyre Stiffness and Tyre Radii. in Dynamics of Vehicles on Roads and Tracks: Proceedings of the 26th Symposium of the International Association for Vehicle System Dynamics. 26th IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks, Gothenburg, Sweden, 12/08/19.
Schabauer M, Hackl A, Hirschberg W, Lex C. Experimental Investigation and Semi-Physical Modelling of the Influence of Rotational Speed on the Vertical Tyre Stiffness and Tyre Radii. In Dynamics of Vehicles on Roads and Tracks: Proceedings of the 26th Symposium of the International Association for Vehicle System Dynamics. 2019
Schabauer, Martin ; Hackl, Andreas ; Hirschberg, Wolfgang ; Lex, Cornelia. / Experimental Investigation and Semi-Physical Modelling of the Influence of Rotational Speed on the Vertical Tyre Stiffness and Tyre Radii. Dynamics of Vehicles on Roads and Tracks: Proceedings of the 26th Symposium of the International Association for Vehicle System Dynamics. 2019.
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AB - Development and validation of vehicle dynamics controls and automated driving functions require real-time capable tyre models that are able to consider main influencing parameters at the tested operation condition accurately. In the presented study, experimental investigations with two types of tyres were conducted to quantify the effect of the tyre rotation on the vertical tyre stiffness, the unloaded, static and effective tyre radius. Based on the semi-physical handling tyre model TMeasy, an enhanced modelling approach is presented which is able to consider the rotational speed dependent tyre behaviour in an effective semi-physical and numerically efficient manner. The measurement results of the tyre testing series are analysed and the effects of the tyre rotation are identified. The tested tyres show a nearly linear rotational speed induced increase of the vertical stiffness and a non-linear increase of the unloaded radius. Finally, the performance of the presented enhanced semi-physical model for the vertical tyre force transmission and tyre radii is validated. The results are discussed and an outlook regarding further investigations is given.

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