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Title: Neural Network-Based Resistance Spot Welding Control and Quality Prediction

Conference ·
OSTI ID:6223

This paper describes the development and evaluation of neural network-based systems for industrial resistance spot welding process control and weld quality assessment. The developed systems utilize recurrent neural networks for process control and both recurrent networks and static networks for quality prediction. The first section describes a system capable of both welding process control and real-time weld quality assessment, The second describes the development and evaluation of a static neural network-based weld quality assessment system that relied on experimental design to limit the influence of environmental variability. Relevant data analysis methods are also discussed. The weld classifier resulting from the analysis successfldly balances predictive power and simplicity of interpretation. The results presented for both systems demonstrate clearly that neural networks can be employed to address two significant problems common to the resistance spot welding industry, control of the process itself, and non-destructive determination of resulting weld quality.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Oak Ridge, TN
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
AC05-96OR22464
OSTI ID:
6223
Report Number(s):
ORNL/CP-102617; KC 02 01 05 0; ON: DE00006223
Resource Relation:
Conference: Intelligent Processing and Manufacturing in Materials '99, Big Island, HI, July 10-15, 1999
Country of Publication:
United States
Language:
English