![]() A relatively simple model for longitudinal and lateral transient responses restricted to relatively low time and path frequencies is introduced. The non-steady state behaviour of the tyre is of importance in rapid transient maneuvres, when cornering on uneven roads and for the analysis of oscillatory braking and steering properties. A full set of equations of the steady-state part of the model of the new version ‘Delft Tyre 97’ is presented. ![]() ![]() Following Michelin, weighting functions have been introduced to model the combined slip force generation. This facilitates its combined slip description. The aligning torque description is based on the concepts of pneumatic trail and residual torque. The steady-state empirical ‘Magic Formula tyre model’ is discussed. Svendenius(2005): A novel semi-empirical tire model for combined slip.Vehicle System Dynamics, 43:5.Gäfvert, M., J. ![]() Department of Automatic Control, Lund University, Sweden. For this purpose, mathematical models of the tyre are being used in vehicle simulation models. Svendenius(2003): Construction of semi-empirical tire models for combined slip.Technical Report ISRN LUTFD2/ TFRT-7606-SE. Knowledge of tyre properties is necessary to properly design vehicle components and advanced control systems. The tyre force and moment generating properties connected with the vehicle's horizontal motions are considered.
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