Paper Title:
Neural-Fuzzy Variable Gap Control Method for GMAW Pipe-Line Welding with CCD Camera
  Abstract

He sensing of the weld pool and controlling of torch at the center of the groove are important problems in back welding of GMAW (Gas Metal Arc Welding) for pipeline, furthermore, the gap of the groove perhaps is varied, which needs an intelligent control strategy to obtain the high welding quality. Fuzzy neural network control method based on BP algorithm is proposed in this paper, from the module of image processing, the corresponding gap location and width can be obtained. Then determine corresponding swing width and speed when weld gap is varied by the network fuzzy inference and calculating Euclidean distance for GMAW variable gap backing welding process. Experiment results show that the designed control method can improve the welding quality compared with traditional fixed swing and the traditional auto swing.

  Info
Periodical
Edited by
Han Zhao
Pages
2358-2363
DOI
10.4028/www.scientific.net/AMM.130-134.2358
Citation
H. L. Hu, J. Li, F. Li, W. Zhu, H. Q. Pang, "Neural-Fuzzy Variable Gap Control Method for GMAW Pipe-Line Welding with CCD Camera", Applied Mechanics and Materials, Vols. 130-134, pp. 2358-2363, 2012
Online since
October 2011
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