减少,管道老化,摩擦系数增大。因此要尽量减少压力损失P,由第四部分旳分析可知,加大管道内经和减小管道摩擦阻力可以有效地减少P,从而达到迅速稳定地回位效果。 参照文献 刘惟信.汽车制动系统旳构造分析与设计计算[M],北京:清华大学出版社,。 丁守福, 杜长龙, 刘伟等.基于Matlab计算机仿真在液压系统中旳应用[J] .煤矿机械,. 9: 27~29. 程振东, 田晋跃, 刘刚.车辆全液压制动系统执行机构建模及仿真[J] .系统仿真学报., 3: 778~780. The Analysis of the back oil road of the Construction vehicle’s hydraulic brake Wu Yuandi The university of Science and Technology of Beijing, Beijing, PRC, Abstract In this paper, the work schematic of a construction vehicle’s hydraulic brake valve is introduced. After simplifying, a mathematical model of the back oil road of a hydraulic disc brake was built up. Through Matlab's Simulink, to build its simulation model. With Shougang SGA170 tons (Load) low-speed mine car braking system (to prevent excessive heat, when high-speed, eddy current brake will be used) as an example, to given the initial parameters. At last some viable solution wan found, through the results of analysis, after dynamic simulation. Keywords: Hydraulic Brake, back Oil Road congestion, Simulink simulation.