汽车半主动悬架系统的并联协调控制方法

Parallel Coordinated Control Method of Vehicle Semi-active Suspension System

为了改善汽车悬架系统性能,针对车身的垂向、侧倾、俯仰三种运动,提出了汽车半主动悬架系统的并联协调控制方法。设计的并联协调模糊PID控制器分别对三种运动进行控制,得到期望的控制力来控制半主动悬架系统,达到改善车辆垂直、侧倾和俯仰振动的减振目的。实验和数据结果分析表明:提出的并联协调模糊PID控制策略在不影响车辆行驶安全性的前提下,提高了车辆的乘坐舒适性和操纵稳定性。

To improve the performance of the suspension system,for vertical,roll,pitch of bodythree movement,parallel coordinated control method of automotive semi-active suspension system is proposed.Parallel coordinates fuzzy PID controller is designed to control three movement respectively,and the desired control is achieved to control semi-active suspension system,to improve the vehicle vertical,roll and pitch vibration purposes.The experimental results and data analysis show that proposed parallel coordination fuzzy PID control strategy improves the ride comfort and handling stability of the vehicle without affecting vehicle safety.