关键词: 爆胎, 模糊算法, 自整定PID 控制器, 轨迹控制

Abstract:

A simulation research is carried out with the veDYNA software for the yawing motion of the vehicle during a tire blowout on the expressway. Firstly, the evaluation criteria of motion vehicles during a tire blowout are determined. Then, in order to replace the driver to control the direction of the vehicle, a fuzzy PID(Proportion, Integral, Differential) controller is adopted to plan the steering wheel angel of the vehicle with a blowout tire. This control scheme combines the advantages of fuzzy control method with the advantages of traditional PID control method. It can adjust the PID control parameters for different working conditions and complex road environments, to adapt to the changes in parameters of the vehicle during a tire blowout. The simulation shows that the trajectory control of vehicles with blowout tire based on the fuzzy PID can make the vehicle avoid yawing, the vehicle can be driven back to the original path after a small offset. It proves that this control scheme has a better adaptive ability.

Key words: tire blowout, fuzzy algorithm, self-tuning proportion integral differential ( PID) controller, trajectory control