Publication:
Preliminary design of a consultation knowledge-based system for the minimization of distortion in welded structures

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Authors
Regis, Patrick Jean.
Subjects
NA
Advisors
Masubuchi, Koichi
Date of Issue
1989
Date
Publisher
Massachusetts Institute of Technology
Language
en_US
Abstract
The problem of distortion due to welding has been the subject of continuous research since the early days of ship construction. The control of distortion in welded structures through preventive and corrective procedures is generally well established. However, there are rules of thumb knowledge, or heuristics, which streamline the design process and enhance the performance of the final product. Those rules of thumb are usually known to a few experts who, through their own personal involvement and experience over the years, have accumulated considerable knowledge in their field. This thesis proposes to demonstrate the feasibility of implementing such knowledge in a knowledge-based environment. The preliminary design of such a system for the minimization of distortion in welded structures is presented through its development phases. The specific areas of out of plane and bucking distortions are considered. The report consists of three major parts. One describes the distortion problem, the selected tools for its analysis and the current procedures for its prevention and correction; Two introduces the concepts inherent in knowledge-based systems and their applications in the fields of structural design and welding; and Three presents the preliminary design of DISCON (for DIStortion CONtrol) which includes the derivation of functional specifications as well as a suitable architecture for implementation. Theses
Type
Thesis
Description
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Department
Naval Architecture and Marine Engineering
Organization
NA
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Format
143 leaves: ill.
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