Time synchronization of hierarchical real-time networked CNC system based on ethernet/internet

被引：6

作者：

Xiang-li Zhang

Xiao-qi Tang

Ji-hong Chen

机构：

[1] Huazhong University of Science and Technology,The State Engineering Research Center of Numerical Control System, School of Mechanical Science and Engineering

[2] Guilin University of Electronic Technology,Dept. of Computer Science

来源：

The International Journal of Advanced Manufacturing Technology | 2008年 / 36卷

关键词：

CNC system; Ethernet; NTP; IEEE 1588; Time synchronization;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

With the development of Ethernet/Internet, using Ethernet/Internet technology to implement the communication of computer numerical control (CNC) system is a new research field of networked CNC system. To support the synchronization control of the CNC system based on Ethernet/Internet, a time synchronization solution for the hierarchical real-time networked CNC system based on Ethernet/Internet is designed in this paper. To evaluate the performance, some experiments were conducted and the results were analyzed. The results show that the field level time synchronization based on the hard real-time Ethernet time synchronization protocol IEEE 1588 meets the requirement of the hard real-time tasks, and the time synchronization between the NC server and the NC core computer based on global positioning system (GPS) and network time protocol (NTP) also meets the requirement of the soft real-time tasks. The results testify that the time synchronization solution based on Ethernet/Internet for the CNC system is realizable.

引用

页码：1145 / 1156

页数：11

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