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Journal Articles

A prediction model for keyhole geometry and acoustic signatures during variable polarity plasma arc welding based on extreme learning machine

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Di Wu, Huabin Chen, Yinshui He, Shuo Song, Tao Lin, Shanben Chen
Journal: Sensor Review
Sensor Review (2016) 36 (3): 257–266.
https://doi.org/10.1108/SR-01-2016-0009
Published: 20 June 2016
... keyhole images based on median filtering and edge extraction. The second step is to process the acquired acoustic signal to obtain some typical time domain features. Finally, a prediction model based on the extreme learning machine (ELM) technique is built to recognize different keyhole geometries through...
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