Tool wear condition monitoring based on a two-layer angle kernel extreme learning machine using sound sensor for milling process

Yuqing Zhou (), Bintao Sun, Weifang Sun () and Zhi Lei
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Yuqing Zhou: Wenzhou University
Bintao Sun: Wenzhou University
Weifang Sun: Wenzhou University
Zhi Lei: Wenzhou University

Journal of Intelligent Manufacturing, 2022, vol. 33, issue 1, No 13, 247-258

Abstract: Abstract Tool condition monitoring (TCM) in numerical control machines plays an essential role in ensuring high manufacturing quality. The TCM process is conducted according to the data obtained from one or more of a variety of sensors, among which acoustic sensors offer numerous practical advantages. However, acoustic sensor data suffer from strong noise, which can severely limit the accuracy of predictions regarding tool condition. The present work addresses this issue by proposing a novel TCM method that employs only a few appropriate feature parameters of acoustic sensor signals in conjunction with a two-layer angle kernel extreme learning machine. The two-layer network structure is applied to enhance the learning of features associated with complex nonlinear data, and two angle kernel functions without hyperparameters are employed to avoid the complications associated with the use of preset hyperparameters in conventional kernel functions. The proposed TCM method is experimentally demonstrated to achieve superior TCM performance relative to other state-of-the-art methods based on sound sensor data.

Keywords: Tool wear monitoring; Milling process; Sound sensor; Kernel extreme learning (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10845-020-01663-1

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