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	Review of SDG modeling and its application
	Yang Fan ; Xiao De-yun
	2010-05-06 ; 2010-05-06
关键词	Theoretical or Mathematical/ cause-effect analysis directed graphs fault diagnosis flowcharting hazards inference mechanisms large-scale systems mathematical analysis/ signed directed graph modeling large-scale complex systems cause-effect relations safety analysis mathematical model flow chart hazard assessment fault diagnosis inference methods/ C1340B Multivariable control systems C1160 Combinatorial mathematics C1120 Mathematical analysis
中文摘要	Signed directed graph (SDG) is an effective description of large-scale complex systems, which can express system variables and their cause-effect relations by nodes and directed branches. The research on SDG has been a focus and obtained a lot of achievements, especially in the area of hazard or safety analysis. After reviewing the background and up-to-date developments of SDG approach,a summary is given, including some major problems in SDG study. Firstly, mathematical formulation and three kinds of modeling approaches of SDG (based on mathematical model, flow chart and experiences) are introduced. Then, the main results of the research and applications in hazard assessment and fault diagnosis are presented, and the advantages and limits of several methods are discussed, in which the key problem are the inference methods and their efficiency. Finally, the prospects of SDG are proposed that many aspects should be researched in depth such as introduction of quantitative information, the inference method and modeling automatically.
语种	中文 ; 中文
出版者	South China Univ. Technol ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/9635]
专题	清华大学
推荐引用方式 GB/T 7714	Yang Fan,Xiao De-yun. Review of SDG modeling and its application[J],2010, 2010.
APA	Yang Fan,&Xiao De-yun.(2010).Review of SDG modeling and its application..
MLA	Yang Fan,et al."Review of SDG modeling and its application".(2010).

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