模糊逻辑控制的车辆稳定系统动力学仿真  

Dynamic simulation of vehicle stabilization system fuzzy logic control

作　　者：郝正君[1] 杨柳青 HAO Zhengjun;YANG Liuqing(Traffic Management Engineering Department,Henan Police College,Zhengzhou 450046,China;College of Mechanical Engineering,Anhui University of Science and Technology,Huainan 232001,Anhui,China)

机构地区：[1]河南警察学院交通管理工程系,郑州450046 [2]安徽理工大学机械工程学院,安徽淮南232001

出　　处：《中国工程机械学报》2018年第4期332-336,340,共6页Chinese Journal of Construction Machinery

基　　金：安徽省自然科学基金资助项目(KJ2011B046)

摘　　要：车辆在行驶过程中受路面不平整度的干扰,导致车辆振动现象较为严重,甚至造成车辆侧翻,不能很好地满足车辆行驶的稳定性.对此,创建了车辆模型简图,推导了车辆侧倾运动方程式,分析了模糊控制法则,根据最优控制理论设计车辆稳定性模糊逻辑控制器.采用数学软件Matlab对车辆横向加速度、侧倾角及侧倾角速度进行仿真,并与PID控制系统的仿真结果进行对比和分析.仿真误差曲线显示:车辆在行驶过程中,受到地面复杂路况干扰时,采用模糊逻辑控制方法,车辆产生的横向加速度、侧倾角及侧倾角速度较小.车辆行驶采用模糊逻辑控制方法,降低了车辆振动幅度,提高了车辆行驶的稳定性和安全性.The vehicle is disturbed by the roughness of road surface during the driving process,causing the vehicle vibration phenomenon to be serious,even causing the rolling of the vehicle,unable to satisfy the stability of the vehicle.In this paper,a schematic diagram of vehicle model is established,and the vehicle side tilt equation is derived.The fuzzy control rules are analyzed and the fuzzy logic controller is designed according to optimal control theory.The mathematical software Matlab is used to simulate the transverse acceleration,side dip angle and side inclination velocity of the vehicle,and the simulation results of PID control system are compared and analyzed.Simulation error curve,according to the vehicle in the process of driving,disturbance by complex road conditions on the ground,using fuzzy logic control method,the lateral acceleration,vehicle roll angle and roll angle velocity is small.The fuzzy logic control method is adopted to reduce the vibration amplitude of vehicle and improve the stability and safety of vehicle.

关 键 词：车辆 模糊逻辑控制 动力学 仿真 

分 类 号：U461[机械工程—车辆工程]