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On the abstraction of conventional dynamic systems: from numerical analysis to linguistic analysis
Wang, FY
2005-03-04
发表期刊INFORMATION SCIENCES
卷号171期号:1-3页码:233-259
文章类型Article
摘要Linguistic dynamic systems (LDS) are dynamic processes involving mainly computing with words instead of numbers for modeling and analysis of complex systems and human-machine interfaces. The goal of studying LDS is to establish a methodology of design, modeling, and analysis of complex decision-making processes bridging the machine world in numbers and the human world in words. Specifically in this paper, conventional dynamic systems are converted to different types of LDS for the purpose of verification and comparison. The evolving laws of a type-I LDS are constructed by applying the fuzzy extension principle to those of its conventional counterpart with linguistic states. The evolution of type-I LIDS represents the dynamics of state uncertainty derived from the corresponding conventional dynamic process. In addition to linguistic states, the evolving laws of type-II LDS are modeled by a finite number of linguistic decision rules. Analysis of fixed points is conducted based on point-to-fuzzy-set mappings and linguistic controllers are designed for goals specified in words for type-II LDS. An efficient numerical procedure called alpha-cuts mapping is developed and applied to obtain extensive simulation results. (C) 2004 Elsevier Inc. All rights reserved.
关键词Linguistic Dynamic Systems Computing With Words Linguistic Analysis Linguistic Controllers
WOS标题词Science & Technology ; Technology
关键词[WOS]FUZZY-LOGIC ; SETS
收录类别SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Information Systems
WOS记录号WOS:000227448600012
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文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9186
专题09年以前成果
通讯作者Wang, FY
作者单位1.Univ Arizona, Dept Syst & Ind Engn, Program Adv Res Complex Syst, Tucson, AZ 85721 USA
2.Chinese Acad Sci, Key Lab Complex Syst & Intelligence Sci, Beijing 100080, Peoples R China
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Wang, FY. On the abstraction of conventional dynamic systems: from numerical analysis to linguistic analysis[J]. INFORMATION SCIENCES,2005,171(1-3):233-259.
APA Wang, FY.(2005).On the abstraction of conventional dynamic systems: from numerical analysis to linguistic analysis.INFORMATION SCIENCES,171(1-3),233-259.
MLA Wang, FY."On the abstraction of conventional dynamic systems: from numerical analysis to linguistic analysis".INFORMATION SCIENCES 171.1-3(2005):233-259.
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