基于MATLAB的液气缓冲器调车冲击特性分析  

Analysis on Dynamic Characteristics of the Hydropneumatic Buffer Based on MATLAB

作　　者：梁冠华[1] 李芾[1] 黄运华[1] 

机构地区：[1]西南交通大学机车车辆工程系,四川成都610031

出　　处：《铁道机车车辆》2009年第4期15-17,53,共4页Railway Locomotive & Car

基　　金：国家科技支撑计划项目(2007BAG05B06)

摘　　要：概述了用于铁道车辆的新型液气缓冲器的工作原理,根据列车纵向动力学理论,建立了一对一调车冲击计算模型和仿真计算模型。通过研究4种不同工况下缓冲器动态特性曲线的变化,分析了运行阻力、缓冲介质黏度变化对缓冲器动态特性的影响。This paper describes the working principles of the hydropneumatic buffer used by railway vehicle.According to the longitudinal dynamics theory of train, the one- to- one impact calculative model and the simulative calculative model are set up.Through the research on the changes of buffer＇ s dynamic characteristic curves under four working conditions, the paper analyzes the influence of nmning resistance and medium viscosity on dynamic characteristic of hydropneumatic buffer.

关 键 词：MATLAB 液气缓冲器 动态特性 分析 

分 类 号：U270.342[机械工程—车辆工程]