基于虚拟仿真技术的高精度数控机床自动控制系统  

A high-precision CNC machine tool automatic control system based on virtual simulation technology

作　　者：甘代伟[1] Gan Daiwei(Department of Automobile Engineering,Shaanxi Institute of Technology,Shaanxi Xi'an,710300,China)

机构地区：[1]陕西国防工业职业技术学院汽车工程学院,陕西西安710300

出　　处：《机械设计与制造工程》2024年第8期58-62,共5页Machine Design and Manufacturing Engineering

基　　金：2023年度陕西省教师教育改革与教师发展研究重点项目(SJS2023ZD025)。

摘　　要：为实现高精度数控加工,设计基于虚拟仿真技术的高精度数控机床自动控制系统。该系统依托SolidWorks、Deep Exploration等软件,建立数控机床虚拟仿真三维模型,设计数控机床控制约束关系,获取数控机床运行数据,并将该数据内的跟随误差、误差积分、误差微分等作为控制输入变量,设计由神经网络和PID组成的混合控制器,利用该混合控制器输出数控机床自动控制量,实现高精度数控机床自动控制。实验表明:该系统在各种运行环境下的软件移植完整程度均超过95%,在控制数控机床运动速度时,跟随误差始终保持在-50~50 mm/min,应用效果较为显著。In order to achieve high-precision CNC machining,a high-precision CNC machine tool automatic control system based on virtual simulation technology is designed.The system relies on SolidWorks,deep exploration and other software to establish a virtual simulation three-dimensional model of the CNC machine tool.It designs the control constraint relationship of the CNC machine tool,and obtains the operation data of the CNC machine tool.And the following error,error integral and error differential within this data are used as control input variables to design a hybrid controller composed of neural network and PID.The hybrid controller is utilized to output automatic control quantities of CNC machine tools to realize high-precision automatic control of CNC machine tools.Experiments show that:the system in a variety of operating environments and the degree of completeness of software transplantation are more than 95%,and in the control of CNC machine tool speed,the following error is always maintained between-50 to 50 mm/min,the application effect is more significant.

关 键 词：虚拟仿真技术 数控机床 控制系统 单神经元 控制器 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]