| 有向架模型建模方法及其应用 |
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| 引用本文： | 赵劲松,崔琳.有向架模型建模方法及其应用[J].天津大学学报(自然科学与工程技术版),2007,40(3):357-361. |
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| 作者姓名： | 赵劲松 崔琳 |
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| 作者单位： | 北京化工大学信息学院,北京100029 |
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| 基金项目： | 教育部跨世纪优秀人才培养计划;国家高技术研究发展计划(863计划);中国石油天然气股份有限公司资助项目 |
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| 摘 要： | 为克服传统的基于有向图模型的危险和可操作性分析专家系统在知识表达方面的局限性，通过将二维的有向图模型在三维空间的解耦，采用图论的方法，提出了一个可以用于危险和可操作性分析自动化的有向架模型．利用该模型，可以灵活地表达危险和可操作性分析中的各种过程变量偏离之间的相互作用关系．它拓展了传统的有向图模型，从而使危险和可操作性分析的结果更全面、更系统，提高了专家系统全面挖掘化工过程中潜在的安全危险问题的能力．
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| 关 键 词： | 危险与可操作性 符号有向图 有向架 模型 化工过程安全 |
| 文章编号： | 0493-2137（2007）03-0357-05 |
| 修稿时间： | 2006-11-082006-12-20 |
Layered Directed Graph Modeling Method and Applications |
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| ZHAO Jin-song,CUI Lin.Layered Directed Graph Modeling Method and Applications[J].Journal of Tianjin University(Science and Technology),2007,40(3):357-361. |
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| Authors: | ZHAO Jin-song CUI Lin |
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| Institution: | College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China |
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| Abstract: | To overcome the knowledge representation limitations of the traditional signed digraph model based expert systems for hazard and operability analysis, a novel layered digraph model for automating process hazard and operability analysis is proposed based on the graphical theory by decoupling the two dimensional signed digraph models in the three dimensional space. The interactions between deviations of process variables can be flexibly represented in the new model. As an extension of the traditional signed digraph model, layered digraph models make hazard and operability analysis more thorough and systematic, which improves the capability of the expert system in identification of the potential safety hazards in the chemical processes. |
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| Keywords: | hazard and operability signed directed graph layered directed graph model chemical processes safecy |
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