Abstract
ABSTRACT A theoretical model of nonsteady state tyre cornering properties (NSSTCP) with small lateral inputs and its experimental validation are presented. The flexibility of carcass composed of translating, bending and twisting parts is considered. Tyre structure parameters in the model can be simplified as four nondimensional factors which associate with stiffness of tread and carcass, tyre width, length of contact patch respectively The tests of NSSTCP including pure yaw motion and pure lateral motion are designed and realized by step lateral inputs. Then the structure parameters are identified according to the expressions of the analytical model and frequency response data resulting from the test data in spatial domain. The derived model is validated by experiment results.
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