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Product Behavior and Topological Structure Design System by Step-by-Step Decomposition

[+] Author Affiliations
Tsuyoshi Koga, Kazuhiro Aoyama

University of Tokyo, Tokyo, Japan

Paper No. DETC2004-57513, pp. 425-437; 13 pages
  • ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 3a: 16th International Conference on Design Theory and Methodology
  • Salt Lake City, Utah, USA, September 28–October 2, 2004
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4696-2 | eISBN: 0-7918-3742-4
  • Copyright © 2004 by ASME


This paper proposes new design methodology, which enables a designer to generate a product behavior and topological structure based on step-by-step decomposition keeping their interdependency. In a development process of an industrial product, it is very important for designers to have enough consideration for the product behaviors. If some unexpected product-behaviors are overlooked, product-functions could be badly affected or catastrophically lost in the worst case. The authors show the effectiveness of the step-by-step decomposing process by applying the example of stapler design. Three critical issues of system implementation are addressed: (1) a product information model, which is able to describe behaviors and topological structure of a product, (2) a design process model for step-by-step decomposition keeping their interdependency, (3) procedures to evaluate the product dependability with taking normal component failure into consideration.

Copyright © 2004 by ASME
Topics: Design



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