摘要
利用三维建模软件Pro/E建立了挖掘机工作机构模型,将其导入动力学分析软件ADAMS。在ADAMS中添加约束,设置了材料属性、工作载荷等,构建了挖掘机工作机构虚拟样机模型。采用仿真软件AMESim建立了挖掘机工作机构电液控制系统仿真模型。搭建了虚拟样机与电液控制系统的联合仿真模型,对挖掘机在典型挖掘工况下的运动轨迹控制进行了联合仿真,仿真结果表明:挖掘机3个工作液压缸的实际位移能较好地跟踪目标位移,实现了挖掘机运动轨迹的闭环控制,为后续的试验研究提供了理论基础。
The excavator working mechanism model was built by using 3D modeling software Pro/E,which was imported into the dynamic analysis software ADAMS.The virtual prototype model of the excavator working mechanism was constructed by adding con⁃straints and setting material properties and working loads in ADAMS.The electro⁃hydraulic control system simulation model of the exca⁃vator working mechanism was established by using simulation software AMESim.The combined simulation model of the virtual prototype and the electro⁃hydraulic control system was built,and the trajectory control of the excavator under typical digging conditions was car⁃ried out.The combined simulation results show that the actual displacement of the three working hydraulic cylinders of the excavator can better track the target displacement,and closed⁃loop control to the excavator trajectory was realized.It provides a theoretical basis for subsequent experimental research.
作者
周宇
刘凯磊
李兴成
殷正瑞
康绍鹏
ZHOU Yu;LIU Kailei;LI Xingcheng;YIN Zhengrui;KANG Shaopeng(School of Mechanical Engineering,Jiangsu University of Technology,Changzhou Jiangsu 213001,China)
出处
《机床与液压》
北大核心
2021年第4期146-150,共5页
Machine Tool & Hydraulics
基金
国家自然科学基金青年科学基金项目(51805228)
江苏省高等学校自然科学基金项目(18KJB460010)。
关键词
挖掘机
电液控制
运动轨迹
联合仿真
Excavator
Electro⁃hydraulic control
Trajectory
Combined simulation
