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On the use of shape grammars as expert systems for geometry-based engineering design

Published online by Cambridge University Press:  07 February 2001

MANISH AGARWAL  and
JONATHAN CAGAN
MANISH AGARWAL
Affiliation:
Computational Design Laboratory, Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
JONATHAN CAGAN
Affiliation:
Computational Design Laboratory, Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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Abstract

Production systems have traditionally been used in engineering to aid the designer in generating designs in domains not significantly influenced by geometry. However, in geometric-based domains such as mechanical engineering, their popularity has been limited. This work proposes the use of shape grammars as the framework for engineering expert systems. Shape grammars are shown to have all the generation and analysis capabilities of traditional production systems, while being able to represent knowledge about both the functionality and the form of a product. Additionally, the parametric nature of shape grammars, their ability to deal with physical form rather than abstract elements, and their ability to recognize emergent shapes give them significant advantages over traditional production systems for geometry-based engineering design.

Keywords

Shape GrammarsExpert SystemsProduction SystemsDesign
Type
Research Article
Information
AI EDAM , Volume 14 , Issue 5 , November 2000 , pp. 431 - 439
Copyright
© 2000 Cambridge University Press

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