Maximum L-Kurtosis deconvolution and frequency-domain filtering algorithm for bearing fault diagnosis

H Xu, S Zhou - Mechanical Systems and Signal Processing, 2025 - Elsevier
Blind deconvolution technique can effectively recover the periodic fault impulses. However,
deconvolution algorithms may not perform well for fault detection if the objective criteria are …

Vibrational resonance mechanism in the high-order-degradation bistable system and its application in fault diagnosis

H Xu, S Zhou - Structural Health Monitoring, 2025 - journals.sagepub.com
Bearings play an important role in the rotating machinery. Timely fault detection and
maintenance can prevent catastrophic incidents caused by bearing faults. As one of the …

Airborne magnetic anomaly detection based on bi-stable stochastic resonance system

F Dai, J Chen, C Liu, Z Chen, D Peng - Measurement, 2024 - Elsevier
In order to address the problem with low signal-to-noise ratio (SNR) detection for airborne
magnetic anomaly detection (MAD), an adaptive detection method based on bi-stable …

Theoretical analysis and potential engineering application of an energy harvester

H Xu, S Zhou - International Journal of Mechanical Sciences, 2024 - Elsevier
The technique of energy harvesting, which captures the energy from ambient vibrations, has
received increasing attention due to its potential to power low-powered wireless sensors …

Nonlinear multi-order coupled stochastic resonance modeling under extremely low signal-to-noise ratios

J Song, X Shi, JH Wu, T Zheng, Z Song - Mechanical Systems and Signal …, 2025 - Elsevier
Based on the noise-enhanced signal characteristics of stochastic resonance (SR), this paper
proposes a nonlinear multi-order coupled SR model, aiming to make full use of nonlinear …

Adaptive Optimal Resonance Fault Feature Enhancement for Wind Turbine Based on Frequency Search and Uncertainty Analysis

J Dang, Y Wang, H Yin, J Li, R Jia… - IEEJ Transactions on …, 2024 - Wiley Online Library
The wind turbine fault feature has strong uncertainty due to various factors such as wind
speed and equipment parameters. Based on the analysis of the vibration characteristics of …

Resonance phenomenon for an underdamped bistable system with additive dichotomous noise and multiplicative noise

Y Cao, Z He, X Fu - Journal of Statistical Mechanics: Theory and …, 2024 - iopscience.iop.org
Vibrational resonance (VR) and stochastic resonance for an underdamped bistable system
driven by one high-frequency (HF) and one low-frequency (LF) periodic force with additive …

[HTML][HTML] Study of the Characteristics of Second-Order Underdamped Unsaturated Stochastic Resonance System Driven by OFDM Signals

G Liu, D Wang - Applied Sciences, 2024 - mdpi.com
Aiming at the issue of suboptimal demodulation performance in OFDM signal enhancement
processes due to slow response speeds in first-order overdamped stochastic resonance …