Abstract
Diagnostic expert system for an ultrasonic testing was built upon based on Method of Ultrasonic Angle Beam Testing and Classification of Test Results for Butt Welds in Steel Plates, WES2021-1987. In the present expert system, it may be advantage to use a production role and a backward inference when knowledge presentation was done. The diagnostic time could be reduced because the inference process become evident. Non-destructive inspection engineers can use this expert system on a general microcomputer. In order to confirm the expert system, the ultrasonic testing, which was diagnosed by the present expert system, and the radiographic testing were performed on butt welded joints in steel plate. Results of ultrasonic testing were almost coincident with those of radiographic testing. Therefore, it has been confirmed that the expert system was available on inferring method of ultrasonic testing.
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