工程车辆全动力制动系统液压管路建模与仿真  

Model Establishment and Simulation for Hydraulic Circuits of Full Power Braking System of Engineering Vehicles

作　　者：高成国[1] 林慕义[1] 侯金平 

机构地区：[1]北京信息科技大学 [2]山东五征集团

出　　处：《工程机械》2010年第1期42-45,共4页Construction Machinery and Equipment

基　　金：北京市教育科技计划项目(KM200910772002)

摘　　要：针对全动力液压制动系统管路布置对整车制动性能影响较大的问题,用键合图方法建立了全液压制动系统液压管路的数学模型,在建模过程中考虑了液压管路的动态摩擦阻力。应用Matlab软件中的动态仿真工具Simulink软件包对液压管路的动态特性进行了仿真分析,为研究和减小管路布置对全液压制动系统制动性能的影响提供了参考。Aiming at the problem that circuit layout of a full power hydraulic braking system exerts great influences on braking performance of the basic vehicle,a mathematical model of the hydraulic circuit of a fully hydraulic braking system is set up with bond graph method and the dynamic friction resistance of the circuit is considered during the modeling procedure.Dynamic characteristics of the hydraulic circuit is simulated and analyzed with dynamic simulation tool Simulink software package in Matlab software.All these provide references for researching and reducing the influences of circuit layout to braking performance of fully hydraulic braking system.

关 键 词：全液压制动系统 管路布置 功率键合图 

分 类 号：U463.5[机械工程—车辆工程]