Modelling and identification of an all-terrain vehicle
by Torsten Bruns, Erika Schafer
International Journal of Vehicle Systems Modelling and Testing (IJVSMT), Vol. 2, No. 3, 2007

Abstract: Nowadays the development of new systems in the field of automotive engineering, for example the active chassis, takes place entirely at the computer. A prerequisite is a validated computer model of the target vehicle. This model has to reproduce the motion behaviour of the target vehicle with sufficient precision. In general, there exist several methods to obtain such a model. The chosen method conforms to our aim to incorporate into the model as many known properties and parameters of the real vehicle as possible. In a first step this leads to a modelling of the vehicle as a multi-body model, or a rigid-body model. In a second step the structure and the parameters of the model are identified in the frequency domain by means of non-linear, constrained optimisation methods. The result is an identified and validated vehicle model, which is appropriate for the design of an active chassis at the computer.

Online publication date: Tue, 11-Dec-2007

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