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Automated structural design based on knowledge engineering and fuzzy control

S. Yoshimura (Research into Artifacts, Center for Engineering, University of Tokyo, 7–3–1 Hongo, Bunkyo, Tokyo, 113, Japan)
Y. Mochizuki (Department of Quantum Engineering and Systems Science, University of Tokyo, 7–3–1 Hongo, Bunkyo, Tokyo 113, Japan)
G. Yagawa (Department of Quantum Engineering and Systems Science, University of Tokyo, 7–3–1 Hongo, Bunkyo, Tokyo 113, Japan)

Engineering Computations

ISSN: 0264-4401

Article publication date: 1 July 1995

57

Abstract

This paper describes an automated design system for nuclear structural components under complicated loading conditions. As a basic strategy of designing structures considering various loading conditions, the “generate and test” strategy is adopted because of simplicity and broad applicability. The object‐oriented knowledge representation technique is adopted to store knowledge modules related to design problems, while the data‐flow processing technique is utilized as an inference mechanism among the knowledge modules. As efficient design modification mechanisms, the present system utilizes two approaches, (a) an empirical approach based on experts’ empirical knowledge and the fuzzy control, and (b) a mathematical approach based on numerical sensitivity analysis. Using the present system, one can also obtain a “design window” which designates a satisfaction area for all design criteria in a design variable space. The fundamental performances of this system are clearly demonstrated through the design of a two‐dimensional model of the fusion first wall with a circular cooling channel.

Keywords

Citation

Yoshimura, S., Mochizuki, Y. and Yagawa, G. (1995), "Automated structural design based on knowledge engineering and fuzzy control", Engineering Computations, Vol. 12 No. 7, pp. 593-608. https://doi.org/10.1108/02644409510799794

Publisher

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MCB UP Ltd

Copyright © 1995, MCB UP Limited

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