Browse Publications Technical Papers 2007-01-0818
2007-04-16

Parameter Determination and Vehicle Dynamics Modeling for The National Advanced Driving Simulator of the 2006 BMW 330i 2007-01-0818

The paper discusses the development of a model for the 2006 BMW 330i for the National Advanced Driving Simulator's (NADS) vehicle dynamics simulation, NADSdyna. The front and rear suspensions are independent strut and link type suspensions modeled using recursive rigid-body dynamics formulations. The suspension springs and shock absorbers are modeled as force elements. The paper includes parameters for front and rear semi-empirical tire models used with NADSdyna. Longitudinal and lateral tire force plots are also included.
The NADSdyna model provides state-of-the-art high-fidelity handling dynamics for real-time hardware-in-the-loop simulation. The realism of a particular model depends heavily on how the parameters are obtained from the actual physical system. Complex models do not guarantee high fidelity if the parameters used were not properly measured. Methodologies for determining the parameters are detailed in this paper. Interaction with the vehicle Dynamic Stability Control (DSC) is detailed and its real-time implementation is discussed.

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