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Feasibility study of imaging spectroscopy to monitor the quality of online welding

机译：成像光谱法监测在线焊接质量的可行性研究

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摘要

An online welding quality system based on the use of imaging spectroscopy is proposed and discussed. Plasma optical spectroscopy has already been successfully applied in this context by establishing a direct correlation between some spectroscopic parameters, e.g., the plasma electronic temperature and the resulting seam quality. Given that the use of the so-called hyperspectral devices provides both spatial and spectral information, we propose their use for the particular case of arc welding quality monitoring in an attempt to determine whether this technique would be suitable for this industrial situation. Experimental welding tests are presented, and the ability of the proposed solution to identify simulated defects is proved. Detailed spatial analyses suggest that this additional dimension can be used to improve the performance of the entire system.
机译：提出并讨论了基于成像光谱的在线焊接质量体系。通过在一些光谱参数之间建立直接的相关性，例如在等离子体电子温度和所得到的接缝质量之间建立了直接的相关性，等离子体光谱已经成功地用于这种情况。鉴于使用所谓的高光谱设备可同时提供空间和光谱信息，我们建议将它们用于电弧焊质量监控的特定情况，以尝试确定该技术是否适合于这种工业情况。提出了实验焊接测试，并证明了所提出的解决方案识别模拟缺陷的能力。详细的空间分析表明，可以使用此额外的维度来改善整个系统的性能。

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