Defect detection with CCD-spectrometer and photodiode-based
In this paper, studies regarding the ability of an optical setup based on photodiodes to detect a wide set of welding defects is presented.
A Weld Defects Detection System Based on a Spectrometer
First, we performed a study to evaluate the spectrometer as a sensor capable of detecting perturbations at the electrical arc. For this task, the experimental scheme seen in Figure 3
A Weld Defects Detection System Based on a Spectrometer
The study introduces a non-intrusive system for detecting GTAW weld defects using spectrometer data. Change detection algorithms can effectively identify perturbations linked to weld defects in real-time.
Spectrometer as a quantitative sensor for predicting the weld depth in
Photodiodes and spectrometers are commonly used as laser welding monitoring sensors because they can monitor critical welding features, such as the gas and metal plasma behaviors,
REAL TIME WELDING DEFECTS MONITORIMENT USING
It consists on monitoring the electronic temperature of chosen elements that are involved in the welding process. This property is taken from the arc weld region (plasma column) using an optic
Measuring Weld Parameters By Spectroscopy
Apparatus helps ensure high quality of weld by monitoring such contaminants as oxygen and hydrogen in shield gas, detecting inadequate flow of shield gas, and sensing changes in
Quality Assessment Method Based on a Spectrometer in Laser Beam Welding
For the automation of a laser beam welding (LBW) process, the weld quality must be monitored without destructive testing, and the quality must be assessed. A deep neural network
Quality Assessment Method Based on a Spectrometer in Laser
A spectrometer with a response range of 225–975 nm is designed and fabricated to measure and analyze the light reflected from the welding area in the LBW process.
Welding Arc Spectrum Sensor and Welding System
This chapter will introduce how to use the automatic welding system to obtain arc spectral informa-tion based on commercial portable optical fiber spectrometer.
Non-invasive spectroscopic system for non-destructive arc
In this paper a welding monitoring sensor system in which the optical fiber capturing the light is embedded into the welding torch is presented. Several tests showing the feasibility of the proposed
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