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Research of Fault-Tolerance Technique for High Availability Industrial Ethernet

机译:高可用性工业以太网容错技术研究

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Industrial Ethernet are widely used in industrial control system, but the requirement of high reliability and stability for control system limits the application of industrial Ethernet. Providing high available fault-tolerant capability on the large control systems becomes a very important issue. In this paper, three industrial Ethernet based redundancy protocols are presented: They are Single-LAN mode redundancy protocol, Dual-network backup and parallel mode redundancy protocol. Based on the EPA (Ethernet for Plant Automation EPA) communication protocol stack, the system architecture, frame structure and communication procedures are introduced. The performance of these approaches is demonstrated through experiment and analysis.
机译:工业以太网已广泛应用于工业控制系统中,但是对控制系统的高可靠性和稳定性的要求限制了工业以太网的应用。在大型控制系统上提供高可用的容错能力成为一个非常重要的问题。本文提出了三种基于工业以太网的冗余协议:它们是单LAN模式冗余协议,双网络备份和并行模式冗余协议。基于EPA(工厂自动化EPA以太网)通信协议栈,介绍了系统架构,框架结构和通信过程。通过实验和分析证明了这些方法的性能。

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