| Analysis of PROFIBUS-DP Network Delay and Its Influence on the Performance of Control Systems |
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| 引用本文： | TAO Jun WANG Zhan-lin. Analysis of PROFIBUS-DP Network Delay and Its Influence on the Performance of Control Systems[J]. 武汉大学学报:自然科学英文版, 2005, 10(5): 877-882. DOI: 10.1007/BF02832431 |
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| 作者姓名： | TAO Jun WANG Zhan-lin |
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| 作者单位： | [1]School of Automation Science, Beihang University, Beijing 100083, China |
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| 基金项目： | Supported by the National 211 Laboratory Project （211-13） |
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| 摘 要： | This paper analyzes PROFIBUS-DP network delay in detail and presents the calculational formula of its maximum time-delay, which is significant to the research of PROFIBUS-DP. At the same time, the paper puts forward a method of simplifying the network induced time-varying indeterminate system according to the features of the network. Through the analysis of a pump-control-motor system which is composed of PROFIBUS-DP network, it illustrates the network＇s influence on the performance of control systems. This method helps to design and analyze the network＇s influence on the performance of control systems, which is of considerable practical value in a time when network control systern is widely used.
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| 关 键 词： | 计算机网络 网络延迟 网络控制 确定性控制 时间延迟 |
| 文章编号： | 1007-1202（2005）05-0877-06 |
| 收稿时间： | 2005-01-20 |
Analysis of PROFIBUS-DP network delay and its influence on the performance of control systems |
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| Tao Jun,Wang Zhan-lin. Analysis of PROFIBUS-DP network delay and its influence on the performance of control systems[J]. Wuhan University Journal of Natural Sciences, 2005, 10(5): 877-882. DOI: 10.1007/BF02832431 |
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| Authors: | Tao Jun Wang Zhan-lin |
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| Affiliation: | (1) School of Automation Science, Beihang University, 100083 Beijing, China |
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| Abstract: | This paper analyzes PROFIBUS-DP network delay in detail and presents the calculational formula of its maximum time-delay, which is significant to the research of PROFIBUS-DP. At the same time, the paper puts forward a method of simplifying the network-induced time-varying indeterminate system according to the features of the network. Through the analysis of a pump-control-motor system which is composed of PROFIBUS-DP network, it illustrates the network’s influence on the performance of control systems. This method helps to design and analyze the network’s influence on the performance of control systems, which is of considerable practical value in a time when network control system is widely used. Foundation item: Supported by the National 211 Laboratory Project (211-13) Biography: TAO Jun (1971-), male, Ph. D., research direction: network control system, system reliability. |
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| Keywords: | network delay analysis network control system deterministic control |
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