The type B120 metro vehicle aluminum car body is overall load bearing structure, which is mainly made from large aluminum extrusions connected by welding.

B120型地铁铝合金车体为整体承载全焊接结构，主要采用大型中空铝合金型材组焊而成。

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In order to control the quality of welding by image processing and pattern recognition, the clear image of the welding pool of aluminum alloy and the information of the welding pool must be obtained.

为了采用图像处理与模式识别的方法对铝合金的焊接质量进行智能控制，必须获取铝合金焊接熔池的清晰图像，然后提取焊接熔池的信息。

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This paper discussed the application of artificial neural network at the resistance spot welding of aluminum alloy.

针对铝合金的电阻点焊，研究了人工神经网络在点焊质量估测中的应用。

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It used a proprietary magnetic-pulse welding process, for example, to develop a lightweight, one-piece aluminum driveshaft that improves fuel efficiency for both light vehicle and commercial truck customers.

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