Building an Expert System for Engineering Design Based on the Object-Oriented Knowledge Representation Concept

[+] Author and Article Information
S. Akagi

Department of Mechanical Engineering, Osaka University, Suita, Osaka, Japan

K. Fujita

Osaka University, Japan

J. Mech. Des 112(2), 215-222 (Jun 01, 1990) (8 pages) doi:10.1115/1.2912595 History: Received December 01, 1987; Online June 02, 2008


An expert system is developed for engineering design based on an object-oriented knowledge representation concept. The design process is understood as determining design variables and their relationships which compose the design model. The design model is represented as a network in the computer system using the object-oriented knowledge representation. The system built with the above concept provides the following abilities: (1) flexible model building and easy modification, (2) effective diagnosis of the design process, (3) supporting method for redesign, (4) a hybrid function with numerical computations and graphics, and (5) applicability for various design problems. Finally, it is applied to the basic design of a ship.

Copyright © 1990 by The American Society of Mechanical Engineers
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