数控系统现场总线协议分析系统设计与实现  

Design and Implementation of Protocol Analysis System for NC Field-bus

作　　者：赵启杰 尹震宇[2] 高岩[1,2] 

机构地区：[1]中国科学院大学,北京100049 [2]中国科学院沈阳计算技术研究所,沈阳110168

出　　处：《组合机床与自动化加工技术》2014年第5期78-82,共5页Modular Machine Tool & Automatic Manufacturing Technique

基　　金："高档数控机床;数控系统及功能部件关键技术标准与测试平台研究"(2012ZX04010-021)

摘　　要：目前数控系统现场总线标准繁多,在设计和开发中,缺少适用的分析和检测工具。针对上述问题文章给出了一种数控现场总线协议分析系统设计与实现方案,可兼容多种总线标准。系统模型基于简化的4层通信模型,面向基于以太网的数控现场总线,对数据链路层的数据进行解析。系统由软硬件两部分组成,文中主要介绍了软件部分的设计与实现。系统借助XML文件配置帧结构,可兼容多种总线协议。系统采用中断方式工作,应用RTAI实时接口,采用Netlink进行用户空间与内核空间的通信。在基于NCSF的数控系统上进行测试,系统可稳定运行。There are varieties of CNC fieldbus standards lacking of appropriate analyzing and testing tools that can be used in the design and development process. This paper presents a fieldbus analyzing and testing system. This paper introduces the design and implement of software and hardware. The software analyzes data-link layer data captured by the hardware. The system model based on the simplified 4-level communication model. The system can analyze protocol data according to XML files and compatible with various fieldbus protocols. The system is work in the interrupt-mode. Use real-time application interface to reduce the response time. Use Neflink to exchange data between user space and kernel space. Tested on the CNC system based on NCSF, the system is stable and effective.

关 键 词：数控系统现场总线 协议分析 XML RTAI 

分 类 号：TH166[机械工程—机械制造及自动化] TG65[金属学及工艺—金属切削加工及机床]