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A Semi-Empirical Tire Model for Transient Maneuver of On Road Vehicle
Technical Paper
2009-01-2919
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
To study vehicle dynamics, we need to know the forces and moments acting on the vehicle. The most important forces and moments acting on the vehicle are generated at the tire contact patch. A semi-empirical tire model was developed at Advanced Vehicle Dynamics Lab (AVDL) to use for vehicle simulations for steady-state conditions. In this paper, we extended that model to account for transient conditions. We present the basic concept, the development of the tire model, and selective simulation results. The transient tire model is developed by including the effects of the vertical load variations due to the velocity and the acceleration to the tire characteristic parameters. The simulation was performed for the semi-empirical transient tire model in two scenarios. The vehicle driving and braking maneuver was simulated to present the transient longitudinal tire behavior. The vehicle lane changing maneuver also was performed to present the transient lateral tire behavior. Then, the simulation results were compared with the steady-state tire model and validated with available data from the literature.
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Citation
Umsrithong, A. and Sandu, C., "A Semi-Empirical Tire Model for Transient Maneuver of On Road Vehicle," SAE Technical Paper 2009-01-2919, 2009, https://doi.org/10.4271/2009-01-2919.Also In
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