摘要
介绍一种重型车辆油气弹簧的结构,建立油气悬架系统的非线性阻尼数学模型和单轮两自由度振动数学模型。在此基础上,应用AMES im软件建立油气悬架系统的单轮两自由度仿真模型,分析阻尼孔过流面积的变化对车身振动的影响。结果表明:阻尼孔过流面积的大小与车身振动的衰减与冲击关系极为密切,设计出合理的阻尼孔直径,能有效地保持行车的平顺性和舒适性。
The structure of hydro-pneumatic spring of heavy vehicle was introduced. The mathematical models of the nonlinear damping and single-wheel two DOF vibration were built for the hydro-pneumatic suspension system. On this basis, the two DOF vibration simulation model of single-wheel hydro-pneumatic suspension system was built with AMESim. The influences of changing the orifice area of damping on the body of vehicle were analyzed. The results show that the orifice area has a great influence on vibration attenuation and shock of vehicle body. So a reasonable design of the orifice diameter can effectively improve the ride comfort of vehicle.
出处
《机床与液压》
北大核心
2011年第5期105-107,共3页
Machine Tool & Hydraulics
