温度对连通式油气悬架特性的影响  

The Influence of Temperature on Characteristics of Connected Hydro Pneumatic Suspension

作　　者：周旸 李阁强[1] 毛波 冯勇 王帅 ZHOU Yang;LI Ge-qiang;MAO Bo;FENG Yong;WANG Shuai(School of Mechatronics Engineering,Henan University of Science and Technology,Luoyang 471003,China;Shandong Wantong Hydraulic Co.,Ltd.,Rizhao 262313,China)

机构地区：[1]河南科技大学机电工程学院,河南洛阳471003 [2]山东万通液压股份有限公司,山东日照262313

出　　处：《液压气动与密封》2023年第1期77-83,共7页Hydraulics Pneumatics & Seals

基　　金：山东省重点研发计划(2019GHZ013);河南省高等学校重点科研项目(21A460012),河南省重点研发与推广专项(212102210329)。

摘　　要：为研究温度对连通式油气悬架特性的影响,基于其工作原理建立连通式油气悬架刚度、阻尼力的数学模型与车辆动力学模型,并在Simulink中搭建车辆整车仿真模型。在三种不同的温度下对连通式油气悬架进行特性试验,结合仿真与试验数据,结果显示:连通式油气悬架在20℃与40℃时的阻尼特性基本不变,当温度达到60℃时,悬架的阻尼特性降低,且油气悬架的仿真与试验误差增大,但曲线变化趋势相同。连通式油气悬架刚度不仅与活塞杆位移有关,并且随着温度的升高而增加,温度越高,刚度增大越快。In order to study the influence of temperature on the characteristics of connected hydro pneumatic suspension,based on its working principle,the mathematical model of stiffness and damping force of connected hydro pneumatic suspension and vehicle dynamics model are established,and the whole vehicle simulation model is built in Simulink.The characteristics of connected hydro pneumatic suspension are tested at three different temperatures.Combined with simulation and test data,the results show that:The damping characteristics of the connected hydro pneumatic suspension are basically unchanged at 20℃and 40℃,when the temperature reaches 60℃,the damping characteristic of the suspension decreases,and the simulation and test error of hydro pneumatic suspension increases,but the curve change trend is the same.The stiffness of connected hydro pneumatic suspension is not only related to the displacement of piston rod,but also increases with the increase of temperature.The higher the temperature,the faster the stiffness increases.

关 键 词：连通式油气悬架 刚度和阻尼 仿真与试验 温度变化 

分 类 号：TH137[机械工程—机械制造及自动化] U463.332[机械工程—车辆工程]