| VEHICLE MODELING WITH NONLINEAR TIRES FOR VEHICLE STABILITY ANALYSIS |
| Y. E. KO1, C.K. SONG2 |
1Hyundai Motor Company
2Gyeongsang National University |
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| ABSTRACT |
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The dynamic stability of a vehicle depends on various maneuvering features, such as traction, braking, and cornering. This study presents nonlinear vehicle models for estimating the stability region and simulating the dynamic behavior of a vehicle. Two types of vehicle models were found by considering the degrees of freedom and linearity. A simple model with nonlinear tire dynamics is useful for determining the stability region, while a complex model (a multi-body dynamic model in MSC.ADAMS) is appropriate for carrying out accurate simulations. Actual data for a mid-sized passenger car were used, and the models were validated by comparison with test results. |
| Key Words:
Vehicle stability, Nonlinear tire dynamics, Vehicle modeling, Model validation, MSC.ADAMS |
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