EPA功能块及用户层技术研究  

Research on EPA Functional Block and User Layer Technology

作　　者：周侗[1] 徐皑冬[1] 王宏[1] 

机构地区：[1]中国科学院沈阳自动化研究所,沈阳110016

出　　处：《自动化仪表》2006年第9期16-18,共3页Process Automation Instrumentation

摘　　要：介绍了EPA功能块的基本结构、设备模型、互操作和调度策略等方面的内容。EPA功能块是面向工业现场的、智能化的控制模块,是EPA控制系统的核心元素,也是EPA用户层应用的基础。EPA互操作测试和基于XMI。的设备描述技术是保证EPA功能块性能及互操作能力的必要手段。The basic structure, device model, interoperation and scheduling strategy of EPA functional block are introduced. EPA functional block is a kind of intelligent controlling module facing application of industrial fields, and it is the kernel element of EPA controlling systems, and also the foundation of EPA user layer application. EPA interoperation test and the XML - based device description technology is the essential means to ensure the function of EPA functional block and interoperation capability.

关 键 词：用户层 功能块 模型 调度 

分 类 号：TP202[自动化与计算机技术—检测技术与自动化装置]