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Real-time weld process monitoring. Edited by Y M Zhang

Contents
PART 1 MONITORING TECHNOLOGIES
PART 2 MONITORING OF WELDING PROCESSES

An analysis of welding process monitoring and control
Y-M Zhang, University of Kentucky, USA
 - Introduction
 - Welding process as a system
 - Welding process as a complex system
 - Welding process as an uncertain process
 - Monitoring of welding processes
 - Overview of the book
 - References

PART 1 MONITORING TECHNOLOGIES
Arc sensors in weld monitoring
G E Cook, A M Strauss, D H Lammlein and P A Fleming, Vanderbilt University, USA
 - Introduction
 - Background
 - Non-consumable electrode processes
 - Consumable electrode processes
 - Power supply considerations
 - Signal processing and control approaches
 - Future trends
 - Sources of further information and advice
 - Appendix: List of symbols
 - References

Optical sensors in welding
G Saeed, Schlumberger and H Song, University of Kentucky, USA
 - Introduction
 - Knowledge of optics
 - Optical sensor component
 - Optical sensing system
 - Application of optical sensor
 - References

Infrared sensors in welding
H Yang, H C Wikle, S Nagarajan, M Johnson, P Banerjee and B A Chin, Auburn University, USA
 - Introduction
 - Theory of infrared sensors
 - Measurement of weld temperature distribution
 - Infrared sensors for real-time weld quality control
 - Weld position control
 - Cooling rate
 - Summary
 - References

Ultrasonic sensors in welding
J Shao and Y Yan, University of Kent, UK
 - Introduction
 - Principles of ultrasonic sensing
 - Ultrasonic techniques and their applications
 - Future trends
 - Summary
 - Sources of further information and advice
 - References

PART 2 MONITORING OF WELDING PROCESSES
Weld seam monitoring
S-J Na, Korea Advanced Institute of Science and Technology, Korea
 - Introduction
 - Methods of weld seam monitoring
 - Through-arc monitoring of weld seams in gas metal arc welding
 - Electromagnetic monitoring of weld seams in gas metal arc welding
 - Laser visual monitoring of weld seams in gas metal arc welding
 - References

Weld profile monitoring
L Wu and G Zhang, Harbin Institute of Technology, China
 - Necessity for weld profile measurement
 - Outline of weld profile
 - Surface shaping defects
 - Automatic detection of weld profile
 - References

Weld penetration monitoring
W Lu and Y-M Zhang, University of Kentucky, USA
 - Introduction
 - Weld pool oscillation sensor
 - Infrared sensor
 - Ultrasonic sensor
 - Vision based sensor
 - Weld pool sag depression
 - Plasma charge based sensors
 - Weld penetration control using sensor feedback
 - Summary
 - References

Weld pool surface monitoring
C S Wu, Institute for Materials Joining, Shandong University, China
 - Vision-based sensing 2-D surface geometry of weld pool in GTAW
 - Sensing 2-D weld pool boundary in GMAW
 - Modeling and simulation of weld pool surface
 - Sensing 3-D weld pool surface using specular reflection
 - Improvement on observation of dynamic 3-D weld pool surface
 - References

Monitoring resistance welding
D Farson, The Ohio State University, USA
 - Introduction
 - Resistance spot welding (RSW) systems, weld formation and signals
 - Real-time process monitoring and control
 - Future trends
 - Sources of further information and advice
 - References

Monitoring laser welding
A Ancona and T Sibillano, CNR-INFM, Italy
 - Introduction
 - Principles of laser welding
 - Optical sensing
 - Frequency analyses of acoustic and optical emissions
 - Smart systems
 - Other systems and future trends
 - References

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