Aspects Regarding the Stability Performances Calculation of the Wheeled Vehicles While Turning

Abstract

The stability performances are very important to appreciate the vehi-cle ability to be driven in different conditions. Starting for a simple planar model of one axle, the motion equations character-izing the rollover or skidding possibility are obtained. These are interpreted as different concerns for the driver, vehicle design engineer or road design engi-neer. The influence over the vehicle stability is analyzed for different driving condi-tions as speed, grip coefficient, lateral slope of the ground, position of the vehi-cle center of gravity, braking or traction intensity, suspension characteristics. Based on the axles stability characteristics, some conclusion were drawn about the steering behavior of the full vehicle. Also, some recommendations for driv-ers are presented. The procedure presented here can also be used to establish some working algo-rithms for potential on-board safety systems able to prevent the stability loss.