[110657] |
Title: Evaluation and Experimental Validation of Efficient Simulation Models for Optimization of an Electrical Formula Car. <em>Volume 6: 14th International Conference on Multibody Systems, Nonlinear Dynamics, and Control</em> |
Written by: Alexander Schmitt and Helge Grossert and Robert Seifried |
in: (2018). |
Volume: <strong>6</strong>. Number: (14), |
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DOI: 10.1115/detc2018-86171 |
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Abstract: This paper presents two different ways of modeling a road vehicle for general vehicle dynamics investigation and especially to optimize the suspension geometry. Therefore a numerically highly efficient model is sought such that it can be used later in gradient-based optimization of the suspension geometry. Based on a formula style vehicle with double wishbone suspension setup, a vehicle model based on ODE-Formulation using a set of minimal coordinates is built up. The kinematic loops occurring in the double wishbone suspension setup are resolved analytically to a set of independent coordinates. A second vehicle model based on a redundant coordinate formulation is used to compare the efficiency and accuracy. The performance is evaluated and the accuracy is validated with measurement data from a real formula car.