Browse Publications Technical Papers 2010-01-0098
2010-04-12

Simulation Results from a Model of a Tractor Trailer Vehicle Equipped with Roll Stability Control 2010-01-0098

In 2007, a software model of a Roll Stability Control (RSC) system was developed based on test data for a Volvo tractor at NHTSA's Vehicle Research and Test Center (VRTC). This model was designed to simulate the RSC performance of a commercially available Electronic Stability Control (ESC) system. The RSC model was developed in Simulink and integrated with the available braking model (TruckSim) for the truck. The Simulink models were run in parallel with the vehicle dynamics model of a truck in TruckSim. The complete vehicle model including the RSC system model is used to simulate the behavior of the actual truck and determine the capability of the RSC system in preventing rollovers under different conditions. Several simulations were performed to study the behavior of the model developed and to compare its performance with that of an actual test vehicle equipped with RSC. Maneuvers that are highly difficult to execute on test tracks due to safety concerns and space limitations were simulated using the vehicle model. These maneuvers were simulated with the RSC system model switched OFF and ON alternatively to study the performance of the RSC system and its capability to prevent potential rollover events.

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