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中文摘要：
交换式以太网在网络控制系统中的应用关键问题是实时能力，为此采用一种新型实时性能分析工具——网络演算，对交换式以太网实时能力进行确定性的分析和研究：针对FIFO调度算法，对两级树型拓扑结构的交换式以太网系统建立了通信模型，推导出各网络元素的到达曲线和服务曲线，由此得到了最大时延、所需缓；中区大小、输出突发量等实时业务流的主要参数解析表达式；利用推导所得结论计算了实时业务流的最大网络时延。
英文摘要：
The focus that switched Ethemet is applied in the networked control system is ability of real-time.For this,a new ana- lytic tool：network calculus is used to detennlnately analyze the special performances of the real-time data via a switched Ethernet.With scheduling algorithms FIFO （First Input First Output）,the communication model is set up and network elements＇ arrive curves and service curves are derived for a switched industrial Ethernet model with two levels＇ tree topology.Then,analytic expressions of the worst case end-to-end delay,buffer size and output burstiness are presented,the maximum network delays of real-time data are calculated based on derived results.
同期刊论文项目
同项目期刊论文
Robust synchronization of impulsively-coupled complex switched networks with parametric uncertaintie
Synchronization of complex dynamical networks with time-varying delays via impulsive distributed con
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