A double interaction brush model for snow conditions
Artikel i vetenskaplig tidskrift, 2018

Commonly used tire models for vehicle handling simulations are derived on the assumption of a flat and solid surface. Snow surfaces are non-solid and may move under the tire. This results in inaccurate tire models and simulation results that are too far from the true phenomena.

This paper describes a physically motivated tire model that takes the effect of snow shearing into account. The brush tire model approach is used to describe an additional interaction between the packed snow in tire tread pattern voids with the snow road surface. Fewer parameters and low complexity make it suitable for real-time applications.

The presented model is compared with test track tire measurements from a large set of different tires. Results suggest higher accuracy compared with conventional tire models. Moreover, the model is also proven to be capable of correctly predicting the self-aligning torque given the force characteristics.

tire brush model

driving simulator

tire on snow

tire modeling

Författare

Artem Kusachov

Chalmers tekniska högskola

Fordonsdynamik

Fredrik Bruzelius

Fordonsdynamik

Chalmers, Mekanik och maritima vetenskaper, Fordonsteknik och autonoma system

Mattias Hjort

Statens Väg- och Transportforskningsinstitut (VTI)

Bengt J H Jacobson

Fordonsdynamik

Chalmers, Mekanik och maritima vetenskaper, Fordonsteknik och autonoma system

Tire Science and Technology

0090-8657 (ISSN)

Styrkeområden

Transport

Infrastruktur

ReVeRe (Research Vehicle Resource)

Ämneskategorier

Farkostteknik