TTCAN协议在核电厂安全级仪控系统中的应用研究  

The Research of TTCAN Application in Safety Instrument and Control System of Nuclear Power Plant

作　　者：何小鹏 赵阳[1] 张洧川 黄轲 唐涛 HE Xiao-peng;ZHAO Yang;ZHANG Wei-chuan;HUANG Ke;TANG Tao(Nuclear Power Institute of China National Key Laboratory of Reactor System Design Technology,Chengdu Sichuan 610041,China)

机构地区：[1]中国核动力研究设计院反应堆系统设计技术国家级重点实验室

出　　处：《科技视界》2019年第16期5-7,13,共4页Science & Technology Vision

摘　　要：TTCAN协议在传统CAN基础上引入了时间触发机制,通过时间触发和时分多址的方式提高总线网络数据传输的实时性和确定性,适应更高安全级的网络通讯要求。本文以核电厂安全级仪控设备为对象,设计了基于TTCAN的总线网络架构和应用软件,验证了TTCAN协议应用能够满足安全级仪控系统的总体功能性能要求。TTCAN protocol introduces time-trigger mechanism on the traditional CAN,which improves the real-time and determinacyperformanceof bus network data transferringby means of time trigger and TDMA,adapting to the higher security level requirements of network communication.Aiming at safety I&C devices of NNP,the architecture and software of bus network based on TTCAN are designed in this paper.It is verified that TTCAN application can meet the functional and performance requirements of safety I&C system.

关 键 词：TTCAN 时间触发 安全级系统 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]