Parameteridentifikation mit Hilfe eines strukturmechanischen Modells für Superelastikreifen

Abstract

In addition to driving and tipping stability, the stress of vibration on the driver of industrial trucks are significantly influenced by the mechanical properties of the tires. The identification of these properties is of great importance both for the correct tyre selection and for carrying out dynamic vehicle simulations. Explicit load conditions and the resulting deformations, however, can only be described experimentally with the desired degree of detail. In order to analyse the mechanical behavior, structural mechanical approaches come into focus, which enable a simulative analysis of the tyre under any load conditions. This results in the possibility of a simulative identification of various parameters that define the mechanical tyre properties, which results in a minimization of the experimental effort. This paper presents a structural mechanical model based on the finite element method for superelastic tires (SE tires). In addition to describing the structure and validating the model, simulations are carried out to determine the longitudinal and lateral stiffness and damping of a common tire type.