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An Enhanced Envelope Spectroscopy Method for Bearing Diagnosis: Coupling PSO-Adaptive Stochastic Resonance with LMD

Early fault vibration signals from rolling bearings are typically nonlinear, non-stationary, and heavily obscured by background noise, which severely impedes the accurate extraction of fault features. To overcome the limitations of traditional stochastic resonance (SR)—specifically the small-paramet...

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Principais autores: Zhaohong Wu, Jin Xu, Jiaxin Wei, Haiyang Wu, Yusong Pang, Chang Liu, Gang Cheng
Format: Artigo
Sprog:Inglês
Udgivet: MDPI AG 2026-04-01
Serier:Actuators
Fag:
rolling bearings
fault diagnosis
local mean decomposition
adaptive stochastic resonance
particle swarm optimization
Online adgang:https://www.mdpi.com/2076-0825/15/4/201
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