Abstract
Abstract The article presents principles and results of development of multisensory monitoring system based on optical emission registration in the visible and infrared range. Coaxial photodiode sensors embedded in the body of the camcorder. Non-coaxial sensors based on semi-hi speed CCD cameras. Coaxial and non-coaxial arrangement of sensors is provides. Tests confirmed that monitoring system tracking of defect formation at laser and laser-arc welding, such as porosity at aluminum alloys welding and presence/absence of full penetration. Additional signal processing algorithms (FFT, Wavelet) increases sensitivity of monitoring system to defects formation.
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