A novel bearing feature extraction technique via adaptive VMD and nonlinear-dynamics feature-space mapping under strong background noise

Li Jiang, Donghao Yuan, Shunsheng Guo, Xin Zhang, Yibing Li, School of Mechanical and Electronic Engineering, Wuhan University of Technology, Hubei Digital Manufacturing Key Laboratory, Wuhan Universityof Technology, Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Hong Kong

Journal of Vibration and Control

Published online on April 30, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
In practical applications, bearing fault signatures are often masked by heavy ambient noise. To improve the sensitivity of fault features under strong background noise, this paper proposes a novel nonlinear-dynamics feature-space mapping (NDFSM) strategy ...