An improved sparse mode decomposition method for pulse signals

J Wu, Y Li, D Zhao - 2023 IEEE 12th Data Driven Control and …, 2023 - ieeexplore.ieee.org
In signal processing field, mode decomposition is one of the most important branches. Many
existing decomposition methods are mainly used to deal with narrow-band signals. If the …

Improved Group Sparse Modal Decomposition Methods With Applications to Fault Diagnosis of Rotating Machinery

Y Li, J Wu, G Yu, D Zhao - IEEE Transactions on Industrial …, 2024 - ieeexplore.ieee.org
Group-sparse mode decomposition (GSMD) is an efficient signal decomposition algorithm
for separating harmonic signals, but fails to split modes for periodic pulse signals. In order to …

Group-sparse mode decomposition: A signal decomposition algorithm based on group-sparsity in the frequency domain

N Mourad - Digital Signal Processing, 2022 - Elsevier
A new signal decomposition algorithm is developed in this paper. The goal of signal
decomposition is to decompose a complex and nonstationary signal into a set of basic …

Nonlinear group constrained mode decomposition and its application in gear fault diagnosis

Q Yan, X Liu, M Wang, Y Zou - Measurement Science and …, 2024 - iopscience.iop.org
Due to the problem of modal confusion and extreme sensitivity to strong noise in signal
decomposition using group-sparse mode decomposition, this paper proposes a new signal …

Clustering group-sparse mode decomposition and its application in rolling bearing fault diagnosis

B Pang, B Wang, Y Hu, T Cheng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Group-sparse mode decomposition (GSMD) is a novel signal decomposition algorithm
based on the concept of group sparse. It is fast, robust against noise, and has good anti …

Multivariate group-sparse mode decomposition

N Mourad - Digital Signal Processing, 2023 - Elsevier
In signal decomposition, a complex and nonstationary signal is decomposed into a set of
basic functions, usually called intrinsic mode functions (IMFs). In multivariate signal …

Reduced mode decomposition: a new signal decomposition method

J Cheng, H Pan, J Tong, J Zheng - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Although traditional signal processing methods have good decomposition performance in
multimodal signals, they lack theoretical research on periodic pulse signals, resulting in …

Sparse random similarity feature decomposition and its application in gear fault diagnosis

F Liu, J Cheng, N Hu, Z Cheng… - … Science and Technology, 2023 - iopscience.iop.org
As a new signal decomposition method, sparse random mode decomposition (SRMD) does
not depend on the signal sampling process and has good anti-mode aliasing performance …

An adaptive group sparse feature decomposition method in frequency domain for rolling bearing fault diagnosis

K Zheng, D Yao, Y Shi, B Wei, D Yang, B Zhang - ISA transactions, 2023 - Elsevier
Group-sparse mode decomposition (GSMD) is a decomposition method designed based on
the group sparse property of signals in frequency domain. It is proved to be highly efficient …

A new modal decomposition algorithm based on PSO and spectrum segmentation

Y Qingwei, W Tongqing… - 2008 7th World Congress …, 2008 - ieeexplore.ieee.org
A new modal decomposition algorithm using Particle Swarm Optimization for optimal
vibration signal spectrum modal decomposition in this paper. The modal parameters of …