Abstract
This paper discusses the design and development of a portable PC-based Automated Ultrasonic Testing (AUT) system, which is capable of classifying defect types on a welded metal components in real-time. Three types of welding defects such as a crack, slag inclusion and cluster porosity plus the normal condition (no defect) were used as the test states for the classification process. The system utilizes an ultrasonic pulse-receiver card model attached to computer notebook for signal display. A new specific software package (RUSS) was developed to control the operation of the scanner, displaying the data, extract the signal defect and classify type of defect. The proposed algorithm and complete system were implemented in a computer software developed using Microsoft Visual BASIC 6.0. The classification process NNTool in MATLAB component was manipulated by using the ActiveX. Some result shows the successful of the calibration module and real – time extraction for classification module type of defect
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