Supported by National Natural Science Foundation of China ( No. 50575074) and the Scientific Research Foundation of QUST.
The heat input from arcs to weld pool in twin-arc gas metal arc welding (GMAW) with a common weld pool is investigated by high-speed photography. The characteristics of arc shapes and droplet transfer are studied an...
This work was supported by National Natural Science Foundation of China ( Grant No. 50575074 and 50875088 ) and Guangdong Science Foundation ( Grant No. 07006479).
Based on the high speed video system with electrical signals collecting and wavelet analyzing, the welding processes under three different median currents with the same median time were detected. The experimental resu...
National Nature Science Foundation of China (No.50575074)
A controller based on a PID neural network (PIDNN) is proposed for an arc welding power source whose output characteristic in responding to a given value is quickly and intelligently controlled in the welding proces...