| 基于离散时间排队理论的PROFIBUS总线性能分析 |
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| 引用本文： | 赵新秋,王健印,崔嵬.基于离散时间排队理论的PROFIBUS总线性能分析[J].工业仪表与自动化装置,2009(3):3-6. |
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| 作者姓名： | 赵新秋 王健印 崔嵬 |
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| 作者单位： | 燕山大学,西校区电院工业计算机控制工程河北省重点实验室,河北,秦皇岛,066004 |
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| 摘 要： | 现场总线协议的实时性是评价总线性能的关键因素。该文根据PROFIBUS令牌总线协议原理，利用离散时间休假排队理论，建立了一个具有时间限量DMAP／M／1休假排队模型，然后对该模型进行了详尽的分析，求出了响应等待时间的数学表达式，给出了仿真结果。该文的研究为分析和优化令牌总线协议提供了理论依据。
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| 关 键 词： | PROFIBUS协议 离散时间排队 性能分析 |
Performance evaluation of PROFIBUS based on discrete time queue |
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| ZHAO Xinqiu,WANG Jianyin,CUI Wei.Performance evaluation of PROFIBUS based on discrete time queue[J].Industrial Instrumentation & Automation,2009(3):3-6. |
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| Authors: | ZHAO Xinqiu WANG Jianyin CUI Wei |
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| Affiliation: | ZHAO Xinqiu,WANG Jianyin,CUI Wei(Key Lab of Industrial Computer Control Engineering of Hebei Province,Yanshan University,Hebei Qinhuangdao 066004,China) |
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| Abstract: | The real time parameter is a key point of protocol＇s performance evaluation. In this paper, a discrete -time DMAP/M/1 queueing model with vacations and time -limited service is built based on the principle of PROFIBUS protocol. An equation to evaluate the average waiting time in the model is derived and simulation result is given. This theory has potential applications in PROFIBUS design. |
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| Keywords: | PROFIBUS protocol discrete-time queue performance evaluation |
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