1. Method and apparatus for automatically controlling arc welding;Ashida,1981
2. Infrared thermography shows promise for sensors in robotic welding;Chin;Robotics Today,1983
3. Through-the-arc sensing of arc welding;Cook,1983
4. A real time machine vision system for robotic TIG welding;Corby,1983
5. Modeling and adaptive control of arc welding processes;Dornfeld,1982