七自由度悬架模糊控制与仿真  

Research on Fuzzy Control and Simulation of 7DOF Vehicle Suspension

作　　者：杨威勇[1] 张军委 

机构地区：[1]辽宁工业大学,辽宁锦州121001 [2]高田(上海)汽配制造有限公司,上海201707

出　　处：《汽车实用技术》2015年第1期104-106,共3页Automobile Applied Technology

摘　　要：为提高车辆悬架减振性能,兼顾车辆行驶平顺性和操稳性,以某微型轿车为基础建立了简化的七自由度悬架模型,并提出了模糊控制方法。以车身质心加速度、俯仰角加速度、侧倾角加速度、悬架动变形、轮胎动载荷作为评价指标,在Matlab/Simulink环境中以C级白噪声路面作为激励,对模糊控制主动悬架进行仿真。结果表明,模糊控制下的主动悬架各项评价指标均得到明显改善,为主动悬架在车辆上实际应用提供了参考。In order to improve vehicle susupension ride performance,damping performance and handling stability,a 7-DOF active suspension model was established and a fuzzy control was presented. Body acceleration,pitching angle acceleration,roll angular acceleration,dynamic deformation and dynamic tyre load as the evaluation index. By using Simulink,the fuzzy controller was under the input of C-grade white noise. The simulation results that the fuzzy-contoler can effectively improve the evaluation indexs. Which give meanings of practical application of active suspension.

关 键 词：七自由度 主动悬架 模糊控制 仿真 

分 类 号：U463.8[机械工程—车辆工程]