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Networked control and supervision system based on LonWorks fieldbus and Intranet/Internet
  • 时间:0
  • 分类:TP393.11[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构:[1]School of Information Science and Engineering, Central South University, Changsha 410083, China, [2]Department of Computer and Electronic Engineering, Hunan Business College, Changsha 410205, China
  • 相关基金:Project(60425310) supported by the National Science Fund for Distinguished Young Scholars of China; Project(05JJ40118) supported by the Natural Science Foundation of Hunan Province, China
中文摘要:

在工业以太网的爆发交通集中于那的事实将带给自我类似的现象导致轮转的数据,和混合优先级的延期增加队列时间表模型在爆发数据在哪个被给最高的优先级被建议。自我类似的爆发数据的一些性质被网络演算证明,并且它的服务曲线由开关安排了被获得。然后安排算法的表演被获得。模拟结果接近使用网络演算模型计算的那些。一些结果具有到交换工业以太网的构造的实际意义。

英文摘要:

The fact that outburst traffic in industrial Ethemet was focused on that would bring self-similar phenomenon leading to the delay increase of the cyclical data, and a hybrid priority queue schedule model was proposed in which the outburst data was given the highest priority. Some properties of the self-similar outburst data were proved by network calculus, and its service curve scheduled by the switch was gained. And then the performance of the scheduling algorithm was obtained. The simulation results are close to those calculated by using network calculus model. Some results are of actual significance to the construction of switched industrial Ethernet.

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