Browse Publications Technical Papers 2003-01-0170

The Effects of Important Parameters on Vehicle Rollover with Sensitivity Analysis 2003-01-0170

The goal of this research was to find the effects of the most important design parameters on passenger cars during “Untripped On-Road Rollover” maneuvers. This work involved studies of vehicle behavior under severe maneuvering conditions include rollover, which was done by using a computer simulation.
In order to get a good insight into the effects of design parameters and sensitivity of vehicle rollover to each parameter, a 16 degree of freedom vehicle dynamic model with Pacejka tire model and necessary submodels were developed. Validation was done using standard test results for a passenger car. In order to simulate severe maneuvers, some of suggested test procedures of related organizations were studied. Finally, the J-Turn and Obstacle Avoidance tests were selected. According to the results of this study, some design comments for better vehicle on-road rollover stability were specified.


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