潜孔钻机回转液压系统键合图模型的仿真研究  

Simulation on power bond graph of rotating hydraulic system in down-the-hole drill

作　　者：赵宏强[1] 高斌[1] 李美香[1] 何清华[1] 

机构地区：[1]中南大学机电工程学院

出　　处：《广西大学学报（自然科学版）》2008年第1期45-48,共4页Journal of Guangxi University（Natural Science Edition）

基　　金：湖南省重大科技专项项目(05GK1001)

摘　　要：考虑到液压系统建模的特点,选择了利用功率键合图法建立潜孔钻机回转液压系统的键合图模型,根据键合图变量间的逻辑关系,得到了系统的数学模型.在此基础上,利用MATLAB提供的Simulink软件包对数学模型进行了动态仿真,得到了泵的流量阶跃响应曲线和不同负载作用下马达进口压力曲线,仿真结果分析表明所建立模型的正确性,这为潜孔钻机回转液压系统的性能评估和优化设计提供了一个新的途径.Considering the specialty of hydraulic system modeling,choose power bond graph as the method of modeling. Established the power bond graph model, based on logistical relations amongst system variable, the mathematical model is exploited. On this condition, the step response of pump outlet flux and the inlet pressure changing curves of hydraulic motor are obtained by using Simulink TM, and these results proved the truth of the model. The results provide a new method for the performance evaluation and optimization design of this system.

关 键 词：潜孔钻机 回转液压系统 建模 功率键合图 动态仿真 

分 类 号：TH137[机械工程—机械制造及自动化]