Weighted Basis Pursuit Denoising Algorithm and Its Application in Gear Fault Diagnosis

Jianghan Zhou,Shibin Wang,Chaowei Tong,Zhibin Zhao,Xuefeng Chen

2021 International Conference on Sensing, Measurement & Data Analytics in the era of Artificial Intelligence (ICSMD)（2021）

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摘要

In order to improve the fault signature extracting performance in signal processing for gearboxes’ fault diagnosis, a weighted Basis Pursuit Denoising(BPD) algorithm is proposed. The algorithm introduces weighted matrix into classical BPD model which picks small threshold values for target frequencies letting them stand out in the spectrum after iteration. The algorithm is verified by both simulat...

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关键词

signal processing,weighted Basis Pursuit Denoising,sparse representation,ISTA,gear fault diagnosis

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