卷积神经网络
断层(地质)
多元统计
模式识别(心理学)
计算机科学
人工智能
方位(导航)
情态动词
噪音(视频)
降噪
信号(编程语言)
特征提取
人工神经网络
算法
机器学习
化学
地震学
高分子化学
图像(数学)
程序设计语言
地质学
作者
Huichao Zhang,Peiming Shi,Peiming Shi,Linjie Jia
出处
期刊:Measurement
[Elsevier]
日期:2023-08-01
卷期号:217: 113028-113028
被引量:7
标识
DOI:10.1016/j.measurement.2023.113028
摘要
Due to the uncertainty of the actual industrial environment, the effective features of the collected multivariate data are submerged by environmental noise. Due to the limited ability of single signal analysis method to recognize the features of multivariate data. Therefore, this paper proposes a rolling bearing fault diagnosis method based on adaptive multivariate variational mode decomposition (AMVMD) and multi-scale convolutional neural network (Multi-scale CNN). Firstly, based on the multivariate variational modal algorithm, the minimum modal overlapping component (MMOC) index is proposed and used as the objective function to seek the optimal solution of the main parameters of multivariate variational modes, to realize the adaptive decomposition and noise reduction of the original signal. Then, the multi-scale convolutional neural network was used to extract and recognize the denoising feature vectors in a deeper level, and finally the bearing fault diagnosis under complex working conditions is realized. Bearing data from Paderborn University were used to verify the proposed method. The results show that under the same conditions, the fault diagnosis accuracy of AMVMD-MSCNNs can achieve 98.60%, which has certain advantages and practical application significance.
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