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DEJAVU: Case-based reasoning for mechanical design

Published online by Cambridge University Press:  27 February 2009

Theodore Bardasz  and
Ibrahim Zeid
Theodore Bardasz
Affiliation:
Computervision Corporation, Bldg. 14–13, 14 Crosby Drive, Bedford, MA 01730
Ibrahim Zeid
Affiliation:
Department of Mechanical Engineering, Northeastern University, Boston, MA 02115, U.S.A.
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Abstract

The architecture and implementation of a mechanical designer's assistant shell called DEJAVU is presented. The architecture is based on an integration of design and CAD with some of the more well known concepts in case-based reasoning (CBR). DEJAVU provides a flexible and cognitively intuitive approach for acquiring and utilizing design knowledge. It is a domain independent mechanical design shell that can incrementally acquire design knowledge in the domain of the user. DEJAVU provides a design environment that can learn from the designer(s) until it can begin to perform design tasks autonomously or semi-autonomously. The main components of DEJAVU are a knowledge base of design plans, an evaluation module in the form of a design plan system, and a blackboard-based adaptation module. The existance of these components are derived from the utilization of a CBR architecture. DEJAVU is the first step in developing a robust designer's assistant shell for mechanical design problems. One of the major contributions of DEJAVU is the development of a clean architecture for the utilization of case-based reasoning in a mechanical designer's assistant shell. In addition, the components of the architecture have been developed, tailored or modified from a general CBR context into a more synergistic relationship with mechanical design.

Type
Research Article
Information
AI EDAM , Volume 7 , Issue 2 , May 1993 , pp. 111 - 124
Copyright
Copyright © Cambridge University Press 1993

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