Abstract: In this paper a lose loop
control system of welding arc and weld pool quality developed at
Tsinghua University is introduced. Is consists of three parts,
namely, adaptive control of pulse MIG/MAG welding, penetration
control of the weld bead and automatic seam tracking. Principle
of operation, special features and experimental result are
described.
Key words:
Arc welding Process control Seam
tracking
* This project is supported by National Natural Science Foundation of
China. Manuscript received on January 25, 1992; revised manuscript
March 15, 1992
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