Adaptive detection of impact signals with two-dimensional piecewise tri-stable stochastic resonance and its application in bearing fault diagnosis

G Zhang, X Huang, J Xu, Z Li - Applied Acoustics, 2023 - Elsevier
In this paper, we introduce an innovative method known as Adaptive Two-Dimensional
Piecewise Tri-Stable Stochastic Resonance (TDPTSR) and discuss its applicability in …

Stochastic resonance induced weak signal enhancement in a second-order tri-stable system with single-parameter adjusting

C Zhang, Z Lai, Z Tu, H Liu, Y Chen, R Zhu - Applied Acoustics, 2024 - Elsevier
Weak signal detection methods based on stochastic resonance (SR) have been extensively
studied due to their capability to utilize noise energy for enhancing weak signals. Among …

Mutual information-assisted feed-forward cascaded stochastic resonance for large parameter

J Suo, H Wang, X Shen, Y Yan, H Dong - Nonlinear Dynamics, 2023 - Springer
Enhancing weak signals submerged in solid background noise is a critical research area in
underwater sonar and related applications. Stochastic resonance (SR) has been proven …

Optimizing DSFH Communication System Performance via Multi-Feedback Unsaturated Tri-Stable Stochastic Resonance for Enhancement of Periodic Signal

L He, Q Xiong, L Bi - Physica A: Statistical Mechanics and its Applications, 2024 - Elsevier
To address the challenges in dual-sequence frequency-hopping (DSFH) communication
caused by the difficulty in detecting intermediate-frequency (IF) signals under low signal-to …

Dynamic analysis of the fractional-order Duffing-Van der Pol oscillator and its application extension

G Li, R Xie, H Yang - Nonlinear Dynamics, 2024 - Springer
This paper proposes a ship-radiated noise (S-RN) detection method based on fractional-
order Duffing coupled Van der Pol oscillator (FODVP) for detecting unknown signal …

Fourth-stable stochastic resonance and its application to weak fault signal detection of rotating machinery

X Yun, X Zhang, G Shang, M Lv - Physica Scripta, 2024 - iopscience.iop.org
Weak characteristic extraction is vital for weak fault signal detection of machinery. Stochastic
resonance (SR) is able to transfer noise energy into weak fault characteristic frequency …

Linearly-coupled sigmoid bistable stochastic resonance for weak signal detection

P Zong, R An, C Zhang, H Wang - Measurement Science and … - iopscience.iop.org
The paper focuses on developing a stochastic resonance system designed for the detection
of weak signals under Alpha-stable-distributed noises. Initially, in view of the strong …