Fuzzy control of pulsed GTA welds by using real-time root bead image feedback

Journal of Materials Processing Technology

Volumn 176, Issue 1-3, 2006, Pages 158-167

  Tsai, Chiung Hsin ^c   Hou, Kuang Hua ^b   Chuang, Han Tung ^a  

^a NATIONAL CENTRAL UNIVERSITY   (Taiwan)

^b CHANG GUNG UNIVERSITY   (Taiwan)

^c LUNGHWA UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Taiwan)

Author keywords

Automatic welding; Edge detection; Fuzzy Control; GTAW; Image processing

Indexed keywords

CHARGE COUPLED DEVICES; EDGE DETECTION; FEEDBACK CONTROL; FUZZY CONTROL; IMAGE PROCESSING; RESIDUAL STRESSES; SURFACE TENSION;

AUTOMATIC ORBITAL WELDING; AUTOMATIC-WELDING; CCD IMAGES SIGNALS; GAS TUNGSTEN ARC WELDING (GTAW);

GAS METAL ARC WELDING;

EID: 33744830020     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmatprotec.2006.02.027     Document Type: Article

References (11)

1. Wu C.S., Ushio M., and Tanaka M. Analysis of the welding arc behavior. Comput. Mater. Sci. 7 (1997) 308-314
2. Li Z.Y., and Wu C.S. Analysis of the transport phenomena in the interfacial region between TIG arcs and weld pools. Comput. Mater. Sci. 8 (1997) 243-250
3. Kim W.H., and Na S.J. Heat and fluid flow in pulsed current GTA weld pool. Int. J. Heat Mass Transfer 41 (1998) 3213-3227
4. Lothongkum G., Chaumbai P., and Bhandhubanyong P. TIG pulse welding of 304 L austentic stainless steel in flat, vertical and overhead positions. J. Mater. Process. Technol. 89-90 (1990) 410-414
5. Wang L.X. Adaptive Fuzzy Systems and Control: Design and Stability Analysis (1994), Prentice-Hall international Editions
6. Takagi T., and Sugeno M. Fuzzy identification of systems and its applications to modeling and control. IEEE Trans. Systems, Man, Cybernet. Smc-15 1 (1986) 116-132
7. M. A. Austin, Real-time multi-processing fuzzy logic adaptive control gas tungsten arc welding system, Proceedings of the 4th WPDRTS IEEE, (1996) pp. 139-143.
8. Zhang Y.M., Kovacevic R., and Li L. Characterization and real time measurement of geometrical appearance of the weld pool. Int. J. Mach. Tools Manuf. 36 7 (1996) 799-816
9. Yu J.Y., and Na S.J. A study on vision sensors for seam tracking of height-varying weldment. Part 1. Mathematical Model, Mechatron. 7 (1997) 599-612
10. Holm H., Kjeldsen H.C.E., and Kristensen J.K. A reference architecture for the design of an industrial temperature feedback welding control system. J. Materials Processing Technology 139 (2003) 499-504
11. Bae K.Y., Lee T.H., and Ahn K.C. An optical sensing system for seam tracking and weld pool control in gas metal arc welding of steel pipe. J. Mater. Process. Technol. 120 (2002) 458-465