The simulation and analysis on the roll influence factors and safety speed of vehicle under the extreme turning

Based on the force analysis of the roll for vehicles under the extreme turning, comparative analysis and simulation verification are carried out for the two kinds of calculation methods of the roll critical safety speed under the situations of whether or not taking account of the effect of suspension in the vehicle roll analysis. From three aspects of "driver operation — vehicle structure parameter — road condition", the influence factors of the vehicle roll under the extreme turning and its influence are systematically analyzed, and the TruckSim software is used to simulate and verify the analysis results of the factors by taking a certain truck as the object.