电磁阀控制半主动悬架可调减振器的研制.pdfVIP

学兔兔 · 设计·计算．研究． 电磁阀控制半主动悬架可调减振器的研制★ 刘伟哲t 王忠良 陈昌建2 郭洪文3 (1．河北师范大学；2．河北工业职业技术学院；3．上海天合汽车研发中心) 【摘要】建立了某越野车7自由度模型，分析了该车辆在直线行驶、加速一制动以及转向工况下悬架阻尼变化对 车辆稳定性和乘坐舒适性的影响。研制了电磁阀控制阻尼可调减振器．并进行了减振器示功试验、速度特性台架试 验，得出被动减振器及可调减振器的示功图和速度特性曲线。结果表明．该可调减振器的软、硬阻尼力随速度的变化 有明显的区别。说明基本达到了阻尼的软、硬可调。 主题词：半主动悬架 减振器 电磁阀 阻尼调整 中图分类号：U463．33 文献标识码m 文章编号：1000—3703(2012)09—0030—04 Development of an Adjustable Damper Controlled by Solenoid of Semi-active Suspension System Liu Weizhe ，Wang Zhongliang ，Chen Changjian ，Guo Hongwen (1．Hebei Normal University；2．Hebei College of Industry and Technology；3．Shanghai TRW Automotive Holdings Corp) 【Abstract]In this paper a 7 degrees of freedom model of an off—road vehicle is established，and the influence of variation of suspension damper on vehicle stability and ride comfort is analyzed in three main working conditions：straight driving，speeding u braking and steering．Solenoid valve control damper adjustable damper is developed，and damper indicator test，speed characteristic bench test are carried out，from which indicator diagram and speed characteristic curve of the passive damper and adjustable damper are obtained．The results show that the changes of soft and hard dampers with the velocity are very significant，indicating that soft and hard adjustment of damper can be made． Key words：Semi-active suspension，Damper，Solenoid valve，Damper adjustment 悬架阻尼对车辆的稳定性和乘坐舒适性有着重 为二分之一前、后悬架减振器中心距，m 为车身质 要的影响。本文以某越野车前双摆臂扭杆弹簧独立 量，‰：为前轴右非簧载质量，L为车身俯仰转动惯 悬架为基础【lJ，设计了一种由电磁阀控制的新型减 量, mul为前轴左非簧载质量，，r为车身侧倾转动惯 振器。由此解决了步进电机控制节流口开度的减振 量，砜 与 ，