On the correlation between a 3D high-fidelity multi-body vehicle model and a 1D 15-DOFs vehicle concept model

Candreva, S.; Mundo, D.; Gubitosa, M.; Toso, A.
ABSTRACT: The presented work focuses on the correlation between a 3D high-fidelity (hi-fi) multi-body vehicle model built within LMS Virtual.Lab Motion and a 1D vehicle concept model with 15 DOFs built within LMS Imagine.Lab AMESim for future real-time applications. The latter is a full vehicle concept model for longitudinal and lateral dynamics with only 15 DOFs that integrates several sub-systems (e.g. suspensions, steering system, tires, chassis), including also a more detailed modelling of the suspension system through kinematics look-up tables compared to other models proposed in literature. The correlation is based on a nominal parameterization of the 1D model in terms of masses, inertias, geometry, suspension parameters and kinematics, starting from the 3D multi-body model. The two vehicle models (3D detailed and 1D concept) are then compared through maneuvers for validation.

26th International Conference on Noise and Vibration Engineering - ISMA 2014, Leuven (Belgium), September 15-17 , 2014 Back to Publication List

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