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Multi-level flow modeling and its applications   GOFUKU Akio    Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-Naka, Kita-ku, Okayama, 700-8530 Japan (fukuchan@sys.okayama-u.ac.jp)   Abstract: Because functional information expresses the role of a component in a system and intentions of designers, itis very important in the design, operation, and maintenance of a large-scale engineering plant. The multi-level flow modeling (MFM) is a functional modeling framework that is most widely studied and applied. The MFM models an artifact to express the functional information of an artifact in a graphical format. This article introduces some techniques and systems to support operators of engineering plants and safety engineers based on MFM models of target systems. Keyword: multi-level flow modeling; operator support; dynamic operation permission; safety analysis
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