Arc Welding Control manual is an extensive handbook on various aspects of arc welding. It is authored by Pan Jiluan. The book highlights the latest technology trends pertaining to the behavior of arc welding. The entire handbook consists of five parts and further sub-divided into fifteen chapters. All five parts reveal aspects like the dynamic behavior of arc welding and power sources; the new ways of controlling the welding arc; establish the first mathematical model of the sensor; an analysis of the output signals of sensors and a proposed space transformation method.
Arc Welding Control by Pan Jiluan
Table of Contents:
Part I – Dynamic Behavior of Arc Welding
Theoretical Analysis
- Introduction
- Welding with a constant wire-feed rate
- Welding with a regulated wire-feed rate
- Welding with both regulated wire-feed rate and self-regulation
Dynamic Characteristics of Power Sources
- Status of research
- Description of dynamic characteristics
- Transfer functions of power sources
- Measurement of the transfer function
- Influence of the transfer function on technological properties
- Summary
Experimental Study
- Introduction
- CO2 welding
- DC MIG welding
- Pulsed MIG welding
- Summary
Part II – Welding Arc Control
Control Method QH-ARC 101
- Status of research on welding arc control
- Principle of control method QH-ARC 101
- Realization of double-step characteristic
- Circuit for alternating between two double-step output characteristics
- Static accuracy and dynamic characteristics
- Circuit diagram of the power source
- Technological behavior
Control Method QH-ARC 102 and 103
- Introduction
- Control method QH-ARC 102
- Control method QH-ARC 103
- Mathematical analysis of arc operating-point movement
- Closed-loop control of weld penetration
Arc Control of CO2 welding and AC MIG Welding
- CO2 Welding
- AC MIG Welding
Part III – Arc Sensors and Seam Tracking
Sensors for weld-seam tracking
- Status of research and development
- Status of the application of arc sensors in the industry
- Principles of seam tracking with arc sensors
- Scanning arc-welding torches
Mathematical Models of Arc Sensors
- Introduction
- Static model
- Dynamic model
Processing of Arc-sensor Signals
- Introduction
- Signal processing of an ideal welding arc
- Analysis of signal characteristics
- Filtering of signals
- Signal processing in a practical welding process
An Automatic Seam-Tracking Machine with An Arc Sensor
- Introduction
- Conventional automatic seam-tracking machine
- Crawling type of tractor
Part IV – Real-Time Measurement of Welding Temperature-Field
Principles of The Colorimetric Imaging Method
- Introduction
- Fundamentals of the colorimetric imaging method
Study of the colorimetric imaging method
- Introduction
- Facilities for the acquisition of the infrared image
- Sensor for experimental use
- The colorimetric imaging system
- Calibration of the system using a mathematical method
- Experimental results and verification
- Calibration procedure
- Effects of measurement conditions
Design of A Colorimetric Imaging Apparatus
- Introduction
- Formation of the thermal-radiation image
- Theoretical analysis of the colorimetric imaging method
- Division of the temperature field
- The wavelength of the filter
- Design of the sensor
- Effects of measuring conditions
- Calibration of the system
Practical Measurement and Application
- Experimental apparatus
- Measurement of the welding temperature field
- Mathematical model of the temperature field in welding based on measurement
- Theoretical results and measured data for different welding parameters
- Extraction of the thermal-cycle parameters
- The three-dimensional welding temperature field
- Closed-loop control of weld penetration
- Summary
Part V – Automatic Path Programming of Robot
Vision systems and automatic path programming
- Recognition of the groove path
- A robot with automatic path programming
Thus, the welding handbook, Arc Welding Control, provides comprehensive guidelines to the lovers of the arc welding. The book explains arc welding behavior, power source, arc welding controlling ways, mathematical sensor model, an analysis of sensor output signals, and space transformation methods. The book is beneficial in many ways for welders, students, and general surfers.
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