前后悬架刚度比值及车辆行驶速度对乘坐舒适性影响的研究  

作　　者：陈子禺 吾泽胤 蒋佳辰 李培庆 

机构地区：[1]杭州容大智造科技有限公司,杭州310000 [2]浙江科技学院机械与能源工程学院,杭州310000

出　　处：《中国科技产业》2021年第1期39-43,共5页Science & Technology Industry of China

基　　金：国家自然科学基金(项目编号:51741810);浙江省自然科学基金(项目编号:LGG18E080005)。

摘　　要：:针对汽车乘坐舒适性的问题,以轻型乘用车整车系统模型作为研究对象,通过车辆在一般随机路面下车辆的乘坐性能的主客观分析,从路面激励出发,通过仿真时车辆副车架反馈的参数判断车辆运行状态,并通过改变车辆悬架前后悬架的刚度之比,得到不同速度下副车架位移参数的变化,再根据车辆动力学仿真分析及验证,提出一种改善优化车辆乘坐舒适性的研究方法。仿真试验结果表明,该研究方法可以优化乘坐体验,为汽车主动悬架的研究和乘员舒适性研究提供了有效的参考依据。Aiming at the problem of car ride comfort,the light-duty passenger car system model is taken as the research object.Through the subjective and objective analysis of the ride performance of the vehicle on general random roads,starting from the road surface excitation,the vehicle sub-frame feedback through simulation The parameters of the vehicle are used to determine the operating state of the vehicle,and by changing the ratio of the stiffness of the front and rear suspension of the vehicle suspension,the changes in the displacement parameters of the sub-frame at different speeds are obtained,and then based on the simulation analysis and verification of vehicle dynamics,an improvement and optimization of vehicle ride Research methods of comfort.The simulation test results show that the research method can optimize the riding experience,and it provides an effective reference for the research of the active suspension of the car and the research of occupant comfort.

关 键 词：悬架刚度 随机干扰路面 ADAMS/CAR 动力学响应特征 MATLAB 

分 类 号：U463.33[机械工程—车辆工程]