摘要
为了提高汽车的平顺性和操作稳定性,以某高档轿车前空气悬架系统为研究对象,给出了一种以车身高度、空气悬架刚度和阻尼为优化参数的综合控制策略。策略对车身高度的调整进行模糊变积分PID控制,对悬架的刚度和阻尼的调整采用模糊自整定PID控制。在ADAMS软件环境下构建了1/4汽车空气悬架仿真模型,并利用MATLAB软件进行仿真。结果表明该综合控制策略与对刚度和阻尼的单纯控制策略相比,在汽车行驶时更具安全性和舒适性。
In order to improve ride comfort and handling stability of car,the front air suspension system of high-grade car is taken as a research object.A comprehensive control strategy is given in which body height,the stiffness and damping of air suspension are taken as optimization parameters.Body height takes fuzzy variable integral PID control in the strategy,and the stiffness and damping use fuzzy self-tuning PID control.1/4 mechanical model is established in ADAMS,doing simulation with MATLAB.The results show that compared with stiffness and damping control,comprehensive control makes the car safer and more comfortable.
出处
《机械设计与制造》
北大核心
2012年第11期130-132,共3页
Machinery Design & Manufacture
基金
国家自然科学基金(60873003)
中央高校基本科研业务费专项资金项目(2011HGBZ1325)
安徽省科技人员服务企业项目(10020203015)
