EPA (EthernetforPlantAutomation)是一种实时工业以太网标准。
EPA (Ethernet for Plant Automation) is a real-time Industrial Ethernet standard.
并且，为了实现新一代工业控制系统，提出了一种基于确定性调度的以太网实时通信方法。
Moreover it presents a new real-time Ethernet communication protocol with deterministic scheduler in order to satisfy requirement of industrial-control system.
针对一个树型拓扑的交换式工业以太网模型，利用所推导出的结论计算了实时数据的最大网络时延。
For a switched industrial Ethernet model with tree topology, the maximum network delays of real-time data are calculated based on der...
从网络通信时延的角度入手，分析了工业以太网的响应时间特点，指明了以太网实时性改进有优化方法。
From the network correspondence delay obtained, has analyzed the industry Ethernet response time characteristic, indicated the Ethernet timeliness improvement to have the optimized method.
以太网的实时通信不确定性是其应用于实时性要求较高的工业控制系统中的障碍。
The application of Ethernet in industrial control systems with high specification in requirement of real time performance is limited because of its indeterminacy in real time communication.
以太网存在通信不确定性，不能满足实时性要求，成为应用于工业现场设备层网络的主要障碍。
Non deterministic communication delay of Ethernet which can't satisfy the real time request of industrial control has become the main obstacle in application on filed device layer network.
随着以太网及TCP/IP越来越多地进入控制领域，以太网目前已经具备作为工业化的现场设备级实时控制网络的能力。
With the Ethernet and the TCP/IP entering the control field, Ethernet is able to be equipped in the real time industrial field network.
现在交换式以太网被越来越多地运用到过程控制、工业自动化和其他支持高带宽的实时通信应用中去。
And now switched Ethernet are widely used in process control, factory automation and other applications that support high bandwidth real-time environment.
研究并讨论将传统以太网移植到工业控制领域所必须解决的实时性、快速故障探测与自恢复、网络安全等关键技术问题。
The real-time attribution, fault detection and fault recovery, network security of industrial Ethernet were also discussed in this thesis.
对通讯协议以及以太网实时协议改进的研究是对工业自动化系统底层次融合问题的一种探讨。
It is introduced in this paper that a method to improve the real-time protocol based on Ethernet, referring to Profibus DP field-bus protocol.
本文工作为EPA工业以太网的实时性改进研究提供了理论基础，为现场选用和配置EPA系统提供了依据和参考。
The work in this dissertation provides groundwork for the improvement of EPA real time performance and a useful guideline for choosing and configuring an EPA system in industrial field.
工业以太网进入工业控制领域是工业自动化的发展趋势，其中主要障碍是以太网的非实时通信。
Entering process control area of Ethernet is the developing trend of process automation, while the major obstacle is that Ethernet is not real time communication.
工业以太网进入工业控制领域是工业自动化的发展趋势，其中主要障碍是以太网的非实时通信。
Entering process control area of Ethernet is the developing trend of process automation, while the major obstacle is that Ethernet is not real time communication.
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