Simulation analysis of multi-axle vehicle´s turning braking stability based on fuzzy control theory

In this paper,eighteen degree-of-freedom multi-axle vehicle´s dynamic model was built and vehicle control strategy was proposed on the basis of the dynamic model. Sideslip angle and yaw rate were joint controlled using direct moment control algorithm and fuzzy control theory so that the sideslip angle and yaw rate were limited to a certain range. The turning braking stability of the multi-axle vehicle was simulated and analyzed using the designed algorithm. The results show that the joint control of sideslip angle and yaw rate achieves better results than those of individual control,and it will improve vehicle turning braking performance significantly.