Title :
Digital control of torch position and weld pool in MIG welding using image processing device
Author :
Ohshima, Kenji ; Yamamoto, Mituyoshi ; Tanii, Tadashi ; Yamane, Satoshi
Author_Institution :
Fac. of Eng., Saitama Univ., Japan
Abstract :
A digital computer control system for improving the stability of the torch position and weld pool shape in metal inert gas (MIG) welding is proposed. It is shown how the characteristic of the digital controller may be selected for yielding a desired transient behavior
Keywords :
arc welding; computerised signal processing; controllers; position control; process computer control; stability; MIG welding; arc welding; controller; image processing; metal inert gas; process computer control; stability; torch position; transient behavior; weld pool; Automatic control; Charge coupled devices; Charge-coupled image sensors; Control systems; Digital control; Image processing; Microcomputers; Shape control; Space vector pulse width modulation; Welding;
Journal_Title :
Industry Applications, IEEE Transactions on
