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Parametrical approach for modeling of tire forces and torques in TMeasy 5

  • For the dynamic simulation of on-road vehicles, the model-element "tire/road" is of special importance, according to its influence on the achievable results. Sufficient description of the interaction between tire and road is one of the most challenging tasks of vehicle modeling. Two groups of tire models can be classified: handling models and structural or high-frequency models. Usually, various assumptions are made in modeling vehicles as multibody systems. Therefore, in the interest of balanced modeling, the precision of the complete vehicle model should stand in reasonable relation to the performance of the applied tire model. Handling tire models are characterized by a useful compromise between user friendliness, model complexity, and efficiency in computation time on the one hand, and precision in representation on the other hand. The present paper describes the general approach of the semi-physical tire model TMeasy for vehicle dynamics and handling simulation and its enhancement for bore torque simulation in Version TMeasy 5. A parameter fitting process realized by TESIS DYNAware and the validation of real tire behavior by simulation with DYNA4 is presented. Even with first guess parameters, the TMeasy tire model behaves in a realistic and plausible manner. Parameter estimation is intuitive and datasets from previous model versions can be easily migrated. After parameter fitting, the simulation results correlate well with both the tire test rig and full vehicle measurements. The enhancement of a three-dimensional slip calculation in the latest version does not modify the model behavior for high slip conditions, but improves the results not only for highly dynamic situations but also for low speed maneuvers such as parking.

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Metadaten
Author:Ronnie Dessort, Cornelius Chucholowski, Georg RillORCiDGND
URL / DOI:https://www.researchgate.net/publication/317037138_Parametrical_Approach_for_Modeling_of_Tire_Forces_and_Torques_in_TMeasy_5
ISBN:978-3-658-13254-5
Parent Title (English):Proceedings of the 16. Internationales Stuttgarter Symposium Automobil- und Motorentechnik
Publisher:Springer
Place of publication:Wiesbaden
Editor:Michael Bargende, Hans-Christian Reuss, Jochen Wiedemann
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2016
Release Date:2022/11/24
Tag:Drehmoment; Einparken; Fahrzeugdynamik; Mehrkörpersystem; Parameterabschätzung; REIFENKRAFT; Rechenzeit; Reifentest; dynamische Simulation; simuliertes Ergebnis
First Page:435
Last Page:449
Institutes:Fakultät Maschinenbau
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG