On-line sensing and estimation of laser surface modification by computer vision

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

Volumn 215, Issue 8, 2001, Pages 1081-1090

  Hu, D ^a   Labudovic, M ^a   Kovacevic, R ^a  

^a SOUTHERN METHODIST UNIVERSITY   (United States)

Author keywords

Computer vision; Image processing; Laser surface modification; Neural network; On line estimation

Indexed keywords

EID: 0037522591     PISSN: 09544054     EISSN: None     Source Type: Journal    
DOI: 10.1243/0954405011519006     Document Type: Article

References (15)

1. Heuvelman, C. J., Konig, W., et al. Surface treatment techniques by laser beam machining. Ann. CIRP, 1992, 41(2), 657-666.
2. Romer, G. R. B. E., Hoeksman, M. and Meijer, J. Industrial imaging controls laser surface treatment. Photonics Spectra, 1997,31(11) 104-109.
3. Tu, J. F., Lankalapalli, K. N., Gartner, M. and Leong, K. H. On-line estimation of laser weld penetration. Trans. ASME, J. Dynamic Syst., Measmt Control, 1997, 119, 791-801.
4. Li, L., Qi, N., Brookfield, D. J. and Steen, W. M. On-line laser weld sensing for quality control. SPIE, 1990, 1609, 411-421.
5. Derouet, H., Coste, F., Sabatier, L. and Fabbro, R. Real time control of surface treatments with liquid phase (molten depth on-line estimation). SPIE, 1996, 2789, 264-272.
6. Lankalapalli, K. N., Tu, J. F., Leong, K. H. and Gartner, M. Laser weld penetration estimation using temperature measurements. Trans. ASME, J. Mfg Sci. Engng, 1999, 121(2), 179-188.
7. Romer, G. R. B. E. and Meijer, J. Analytical model describing the relationship between laser power, beam velocity and melt pool depth in the case of laser (re)melting, -alloying and -dispersing. SPIE, 1997, 3097, 507-516.
8. Heath, M., Sarkar, S., Sanocki, T. and Bowyer, K. Comparison of edge detectors - a methodology and initial study. Computer Vision and Image Understanding, 1998, 69(1), 38-54.
9. Canny, J. A computational approach to edge detector. IEEE Trans. Pattern Analysis Mach. Intell., 1986, PAMI-8(6), 679-698.
10. Prokhorov, A. M. and Konov, V. I. Laser Heating of Metals, 1990 (Adam Hilger, New York).
11. Carslaw, H. S. and Jaeger, J. C. Conduction of Heat in Solids, 1959 (Oxford Press).
12. Grigull, U. and Sandner, H. Heat Conduction, 1984 (Hemisphere, Washington).
13. Eagar, T. W. and Tsai, N.-S. Temperature fields produced by traveling distributed heat source. Weld. J., 1983, 62(12), 346-s-355-s.
14. Nguyen, N. Y., Uhta, A., Matsuoka, K., Suzuki, N. and Maeda, Y. Analytical solution for transient temperature of semi-infinite body subjected to 3-D moving heat source. Weld. J., 1978, 78(8), 265-s-274-s.
15. Hagan, M. T., Demuth, H. B. and Beale M. Neural Network Design, 1995 (PWS, Boston, Massachusetts).