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Bearing Fault Diagnosis Based on Multiscale Permutation Entropy and Support Vector Machine [PDF]

open access: yesEntropy, 2012
Bearing fault diagnosis has attracted significant attention over the past few decades. It consists of two major parts: vibration signal feature extraction and condition classification for the extracted features.
Jian-Jiun Ding   +4 more
doaj   +7 more sources

Composite Multiscale Transition Permutation Entropy-Based Fault Diagnosis of Bearings

open access: yesSensors, 2022
When considering the transition probability matrix of ordinal patterns, transition permutation entropy (TPE) can effectively extract fault features by quantifying the irregularity and complexity of signals.
Jing Guo   +4 more
doaj   +7 more sources

Fault Diagnosis for Rolling Element Bearings Based on Feature Space Reconstruction and Multiscale Permutation Entropy [PDF]

open access: yesEntropy, 2019
Aimed at distinguishing different fault categories of severity of rolling bearings, a novel method based on feature space reconstruction and multiscale permutation entropy is proposed in the study.
Weibo Zhang, Jianzhong Zhou
doaj   +5 more sources

A Comparison of Multiscale Permutation Entropy Measures in On-Line Depth of Anesthesia Monitoring. [PDF]

open access: yesPLoS ONE, 2016
OBJECTIVE:Multiscale permutation entropy (MSPE) is becoming an interesting tool to explore neurophysiological mechanisms in recent years. In this study, six MSPE measures were proposed for on-line depth of anesthesia (DoA) monitoring to quantify the ...
Cui Su   +5 more
doaj   +7 more sources

Multiscale permutation Rényi entropy and its application for EEG signals. [PDF]

open access: yesPLoS ONE, 2018
There is considerable interest in analyzing the complexity of electroencephalography (EEG) signals. However, some traditional complexity measure algorithms only quantify the complexities of signals, but cannot discriminate different signals very well. To
Yinghuang Yin, Kehui Sun, Shaobo He
doaj   +5 more sources

Multiscale Weighted Permutation Entropy Analysis of Schizophrenia Magnetoencephalograms [PDF]

open access: yesEntropy, 2022
Schizophrenia is a neuropsychiatric disease that affects the nonlinear dynamics of brain activity. The primary objective of this study was to explore the complexity of magnetoencephalograms (MEG) in patients with schizophrenia.
Dengxuan Bai   +3 more
doaj   +4 more sources

Use of Composite Multivariate Multiscale Permutation Fuzzy Entropy to Diagnose the Faults of Rolling Bearing

open access: yesEntropy, 2023
The study focuses on the fault signals of rolling bearings, which are characterized by nonlinearity, periodic impact, and low signal-to-noise ratio.
Qiang Yuan   +5 more
doaj   +4 more sources

Adaptive Multiscale Weighted Permutation Entropy for Rolling Bearing Fault Diagnosis [PDF]

open access: yesIEEE Access, 2020
Fault diagnosis of rolling bearing is of great importance to ensure high reliability and safety in the industrial machinery system. Entropy measures are useful non-linear indicators for time series complexity analysis and have been widely applied in ...
Zhiqiang Huo   +3 more
doaj   +7 more sources

Multiscale Permutation Entropy Based Rolling Bearing Fault Diagnosis [PDF]

open access: yesShock and Vibration, 2014
A new rolling bearing fault diagnosis approach based on multiscale permutation entropy (MPE), Laplacian score (LS), and support vector machines (SVMs) is proposed in this paper.
Jinde Zheng, Junsheng Cheng, Yu Yang
doaj   +4 more sources

Rolling Bearing Diagnosis Based on Composite Multiscale Weighted Permutation Entropy [PDF]

open access: yesEntropy, 2018
In this paper, composite multiscale weighted permutation entropy (CMWPE) is proposed to evaluate the complexity of nonlinear time series, and the advantage of the CMWPE method is verified through analyzing the simulated signal. Meanwhile, considering the
Xiong Gan   +3 more
doaj   +4 more sources

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