Feature Extraction of Double Pulse Metal Inert Gas Welding Based on Broadband Mode Decomposition and Locality Preserving Projection

<div>The aluminum alloy DPMIG welding test bed. ①–⑧ are the welding robot, the wire feeder, the acquisition box, the computer, the welding machine, the electrical signal sensor box, the argon gas storage tank, and the inverter power source.</div>

Mathematical Problems in Engineering

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Figure 11

Figure 11: Feature Extraction of Double Pulse Metal Inert Gas Welding Based on Broadband Mode Decomposition and Locality Preserving Projection 