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Profibus-DP总线单主站系统报文传输延时分析 被引量：1

Analysis of Delay of Message Transmission of Profibus-DP Single Master-station System
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摘要 采用确定与随机Petri网建立了Profibus-DP总线单主站系统报文传输延时的模型,并在TimeNet软件环境下对其进行了仿真分析,得出了报文传输延时与目标令牌循环时间的关系;并以STEP7软件为例,说明了在实际工程中如何根据Profibus-DP总线参数合理设定目标令牌循环时间、从而使监控系统获得最好的实时性的方法。仿真结果验证了该模型的正确性。 The paper used determinate and stochastic Petri net to establish a model of message transmission delay of Profibus-DP single master-station system and did simulation analysis in TimeNet software.It got relationship between message transmission delay and target-token cycle time and gave a method of setting target-token cycle time reasonably according to parameters of Profibus-DP in actual projects taking STEP7 software as an example,so as to make monitoring and control system get better real-time performance.The simulation result showed correctness of the model.
作者 孔维社
机构地区 中煤科工集团常州自动化研究院
出处 《工矿自动化》 2011年第7期50-53,共4页 Journal Of Mine Automation
基金 天地(常州)自动化股份有限公司研发项目(10GY064)
关键词 煤矿 监控系统 PROFIBUS-DP总线 单主站系统 报文传输 延时分析 确定与随机PETRI网 coal mine monitoring and control system Profibus-DP single master-station system message transmission delay analysis determinate and stochastic Petri net
分类号 TD655 [矿业工程—矿山机电]
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  • 9罗军舟,顾冠群,谢俊清.Petri网协议分析器[J].计算机学报,1997,20(3):206-212. 被引量：10
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工矿自动化
2011年 第7期

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