Results 31 to 40 of about 5,122,568 (192)

Thermal Image Enhancement using Bi-dimensional Empirical Mode Decomposition in Combination with Relevance Vector Machine for Rotating Machinery Fault Diagnosis [PDF]

open access: yes, 2009
In this study, a novel fault diagnosis system for rotating machinery using thermal imaging is proposed. This system consists of bi-dimensional empirical mode decomposition (BEMD) for image enhancement, a generalized discriminant analysis (GDA) for ...
Yang, Bo-Suk   +7 more
core   +1 more source

Research of partial discharge detection for XLPE cable

open access: yesGong-kuang zidonghua, 2014
In order to extract characteristics of partial discharge signals, the paper proposed an adaptive threshold algorithm for processing partial discharge data by using ensemble empirical mode decomposition method for analysis of XLPE cable partial discharge ...
TANG Zhongyu   +3 more
doaj   +1 more source

Composite fault diagnosis of gearbox based on empirical mode decomposition and improved variational mode decomposition

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2021
In order to identify the nonlinear nonstationary pitting-wear fault signal of gears in gearbox, a new method of composite fault diagnosis for gearbox is proposed, which combines empirical mode decomposition with improved variational mode decomposition ...
Jingyue Wang   +3 more
doaj   +1 more source

Empirical mode decomposition with shape-preserving spline interpolation

open access: yesResults in Applied Mathematics, 2020
Empirical mode decomposition (EMD) is a popular, novel, user-friendly algorithm to decompose a given signal into its constituting components, utilizing spline interpolation.
Maria D. van der Walt
doaj   +1 more source

Empirical Mode Decomposition Based Multi-Modal Activity Recognition

open access: yesSensors, 2020
This paper aims to develop an activity recognition algorithm to allow parents to monitor their children at home after school. A common method used to analyze electroencephalograms is to use infinite impulse response filters to decompose the ...
Lingyue Hu   +4 more
doaj   +1 more source

Adaptive Mode Decomposition Methods and Their Applications in Signal Analysis for Machinery Fault Diagnosis: A Review With Examples

open access: yesIEEE Access, 2017
Effective signal processing methods are essential for machinery fault diagnosis. Most conventional signal processing methods lack adaptability, thus being unable to well extract the embedded meaningful information.
Zhipeng Feng, Dong Zhang, Ming J. Zuo
doaj   +1 more source

Analysis of Vehicle Platform Vibration Based on Empirical Mode Decomposition

open access: yesShock and Vibration, 2021
Vehicle platform vibration (VPV) directly affects the measurement accuracy of precise measuring instrument (PMI) fixed on it. In order to reduce the influences of VPV on measurement accuracy, it is necessary to perform vibration isolation between vehicle
Chengwu Shen   +5 more
doaj   +1 more source

Automatic Interference Term Retrieval From Spectral Domain Low-Coherence Interferometry Using the EEMD-EMD-Based Method

open access: yesIEEE Photonics Journal, 2016
Low-coherence interferometry (LCI) has proved to be a useful tool in optical measurement and detection. However, the noise that is present in practical applications makes interference term retrieval (ITR) difficult.
Hongxia Zhang   +4 more
doaj   +1 more source

Graph Empirical Mode Decomposition

open access: yes, 2014
Publication in the conference proceedings of EUSIPCO, Lisbon, Portugal ...
Nicolas Tremblay   +2 more
openaire   +3 more sources

An improved genetic algorithm for optimizing ensemble empirical mode decomposition method

open access: yesSystems Science & Control Engineering, 2019
This paper proposes an improved ensemble empirical mode decomposition method based on genetic algorithm to solve the mode mixing problem in empirical mode decomposition (EMD) algorithm as well as the parameters selection issue in ensemble empirical mode ...
Dabin Zhang   +3 more
doaj   +1 more source

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