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| 数控系统现场总线通信效率的改进 | |
| 引用本文： | 王志成,于东,李培新,陈猛. 数控系统现场总线通信效率的改进[J]. 计算机工程, 2011, 37(10): 23-25. DOI: 10.3969/j.issn.1000-3428.2011.10.007 |
| 作者姓名： | 王志成 于东 李培新 陈猛 |
| 作者单位： | 1. 中国科学院研究生院,北京,100049;中国科学院沈阳计算技术研究所高档数控国家工程研究中心,沈阳,110171 2. 中国科学院沈阳计算技术研究所高档数控国家工程研究中心,沈阳,110171 3. 中国科学院研究生院,北京,100049 4. 沈阳高精数控技术有限公司,沈阳,110171 |
| 基金项目： | 国家科技重大专项课题基金资助项目 |
| 摘 要： | 根据数控系统对现场总线通信的可靠性和效率需求，在分析传统通信机制的实时性和效率问题及其产生根源的基础上，提出一种基于硬件链路层重发机制的高效可靠通信机制，将其应用到数控系统中，消除了层间协议转换和操作系统的中断延迟等开销。实验结果表明，该机制具有较高的实时性和通信效率，能够满足高档数控系统的应用需求。 |
| 关 键 词： | 数控系统 现场总线 高效可靠通信 高精度加工 |
Improvement of Field-bus Communication Efficiency in Numerical Control System |
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| WANG Zhi-cheng,YU Dong,LI Pei-xin,CHEN Meng. Improvement of Field-bus Communication Efficiency in Numerical Control System[J]. Computer Engineering, 2011, 37(10): 23-25. DOI: 10.3969/j.issn.1000-3428.2011.10.007 | |
| Authors: | WANG Zhi-cheng YU Dong LI Pei-xin CHEN Meng |
| Affiliation: | 1.Graduate University of Chinese Academy of Sciences,Beijing 100049,China;2.National Engineering Research Centre for High-end CNC,Shenyang Institute of Computing Technology,Chinese Academy of Sciences,Shenyang 110171,China;3.Shenyang Golding NC Tech.Co.,Ltd.,Shenyang 110171,China) |
| Abstract: | For the requirement of reliable communication and efficiency of Computer Numerical Control（CNC） system to field-bus,this paper analyzes the efficiency of traditional field-bus and its causation,and designs a high efficiency and reliable communication mechanism based on hardware link layer retry.Mechanism is successfully used into CNC system,it eliminates layer protocol transform and interrupt delay of operating system.Experimental results show that the mechanism has high efficiency and real-time,it can meet the requirement of CNC system application. |
| Keywords: | numerical control system field-bus high efficiency and reliable communication high precision machining |
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