实时控制系统的容错通信体系结构

H. Hilmer, H. Kochs, E. Dittmar
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引用次数: 14

摘要

现代分布式计算机控制系统必须提供高可靠性和硬实时通信。为了满足这些要求,必须选择一种适合所传输数据特性的通信协议。关于高可靠性,必须采取额外的措施,因为目前现场总线领域的协议不能提供足够的容错能力,特别是在故障检测和冗余管理方面。本文介绍了一种基于CAN通信协议的系统架构和容错协议机制。该系统适用于需要处理周期性和自发数据的大型控制系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A fault-tolerant communication architecture for real-time control systems
Modern distributed computer control systems have to provide both highly reliable and hard real-time communication. To meet these requirements, a communication protocol adapted to the characteristics of data to be transferred has to be chosen. Concerning high reliability, additional measures have to be taken, since current protocols of the field-bus domain do not provide sufficient fault tolerance capabilities, especially with regard to fault detection and redundancy management. The article introduces a system architecture and fault-tolerant protocol mechanisms based on the communication protocol CAN. The system is suitable for large-scale control systems, which have to cope with both periodically and spontaneously occurring data.
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