Browse Publications Technical Papers 2001-01-0751
2001-03-05

A Study of Tire Lag Property 2001-01-0751

Tire lag property is a basic property of tire dynamics, and it has significant influence on the performance of vehicle dynamics.
In distance domain, the side force and moments produced by a massless tire are basically displacement or path frequency dependent, rather than time dependent. In the paper, on the basis of the stretched-string model, the first-order filtering of deflection for the front point of the contact print and the first-order filtering of side force have been introduced. Tire system can be regarded as a first-order linear system under small slip angle. The force response of tire has the characteristics of the responses of first-order linear system under small angle. The relaxation length is an important parameter in studying tire lag property. It decreases with increasing slip angle. It plays an important role in the study of tire transient properties.

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