Steel Bridge Fabrication Errors Indexed Examples and Solutions: Combining Rules and Cases
Greenfield, Richard R.
Roddis, W. M. Kim
University of Kansas Center for Research, Inc.
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This research focuses on the development of a knowledge-based system in the domain of steel bridge fabrication errors using both rule-based reasoning (RBR) and case-based reasoning (CBR). Fabrication error Indexed and Solutions (FIXS) was developed to combine the benefits of two previous research projects: 1) the rule-based Bridge Fabrication error solution eXpert system (BFX), and 2) its case-based counterpart (CB-BFX). Errors that occur during the fabrication of steel bridg~ members can have a costly effect on the performance of a bridge if not repaired properly. FIXS is an effort to provide guidance to the bridge engineer responsible for cost effective solutions in a time sensitive manner. FIXS is implemented in the programming language PROLOG and runs in the Windows environment as a stand-alone application. RBR facilities are provided by the expert system shell MESS (Modest Expert System Shell). Similarly, CBR functions are provided by the simple case-based reasoner shell SCBR (Simple Case Based Reasoning). The application has been designed for addition of new domain knowledge. The addition of new and updated knowledge allows the application to keep pace with changes in the steel bridge design industry and the methods of repairing errors.
Greenfield, R.R. and Roddis, W.M. Kim, "Steel Bridge Fabrication Errors Indexed Examples and Solutions: Combining Rules and Cases," SL Report 98-2, The University of Kansas Center for Research, Inc., Lawrence, Kansas, June 1998, 37 pp.
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