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Proceedings Paper

Modified signal processing method for spot welding monitor system
Author(s): Rui Wang; Zhen Luo; Yang Li; Wenbo Xuan; Naifeng Fan
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Paper Abstract

The method for resistance spot welding quality detection is becoming a serious problem recently. Aluminum alloy has high-conductivity and good thermal conductivity, which affects the stability of welding quality. In this paper, a spot welding monitor system based on magnetic sensor array technique is designed for welding quality detection. And a new signal processing method called the "W-ICA" algorithm is proposed to separate the object signals. The results show that the spot welding monitor system works well. And the modified W-ICA algorithm can extract the mixing signal validly and provide us the original signal information. The extract results of the magnetic sensor array help us to analysis whether the spot quality is good or bad.

Paper Details

Date Published: 27 May 2011
PDF: 6 pages
Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79972M (27 May 2011); doi: 10.1117/12.888457
Show Author Affiliations
Rui Wang, Tianjin Univ. (China)
Zhen Luo, Tianjin Univ. (China)
Yang Li, Tianjin Univ. (China)
Wenbo Xuan, Tianjin Univ. (China)
Naifeng Fan, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 7997:
Fourth International Seminar on Modern Cutting and Measurement Engineering
Jiezhi Xin; Lianqing Zhu; Zhongyu Wang, Editor(s)

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