Research on circuit breaker operating mechanism feature extraction method combining ICEEMDAN-MRSVD denoising and VMD-PSE

IF 2.7 3区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Measurement Science and Technology Pub Date : 2024-07-04 DOI:10.1088/1361-6501/ad5f4e

Renwu Yan, Weiling Zhuang, Ning Yu

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引用次数: 0

Abstract

The vibration signal associated with the operating process of circuit breakers(CBs) includes a detailed operating status in the formation of the operating mechanism. To effectively extract the characteristic information of vibration effectively for diagnosis and analysis, a new feature extraction method for the CBs operating mechanism is proposed. First, a new denoising method, the improved complete ensemble empirical mode decomposition with adaptive noise-multi-resolution singular value decomposition (ICEEMDAN-MRSVD), is introduced, which can effectively remove the influence of noise on faults. Then, a quantitative method is proposed to extract the characteristic information of the CB, i.e. the variational mode decomposition (VMD)-power spectrum entropy (PSE) is proposed. By using this method, the difference of CB vibration signals in different fault states can be quantified. Through comparative analysis of different recognition models, experiments show that the support vector machine model based on ICEEMDAN-MRSVD noise reduction and VMD-PSE features has a high recognition accuracy of 98.61%, which has high application value.

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结合 ICEEMDAN-MRSVD 去噪和 VMD-PSE 的断路器操作机构特征提取方法研究

与断路器（CB）运行过程相关的振动信号包括运行机制形成过程中的详细运行状态。为了有效提取振动的特征信息用于诊断和分析，本文提出了一种新的断路器运行机理特征提取方法。首先，引入了一种新的去噪方法--改进的完全集合经验模态分解与自适应噪声-多分辨率奇异值分解（ICEEMDAN-MRSVD），该方法能有效消除噪声对故障的影响。然后，提出了一种定量方法来提取 CB 的特征信息，即变异模态分解（VMD）-功率谱熵 (PSE)。利用这种方法，可以量化不同故障状态下 CB 振动信号的差异。通过对不同识别模型的对比分析，实验表明基于 ICEEMDAN-MRSVD 降噪和 VMD-PSE 特征的支持向量机模型的识别准确率高达 98.61%，具有很高的应用价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Measurement Science and Technology 工程技术-工程：综合

CiteScore

4.30

自引率

16.70%

发文量

656

审稿时长

4.9 months

期刊介绍： Measurement Science and Technology publishes articles on new measurement techniques and associated instrumentation. Papers that describe experiments must represent an advance in measurement science or measurement technique rather than the application of established experimental technique. Bearing in mind the multidisciplinary nature of the journal, authors must provide an introduction to their work that makes clear the novelty, significance, broader relevance of their work in a measurement context and relevance to the readership of Measurement Science and Technology. All submitted articles should contain consideration of the uncertainty, precision and/or accuracy of the measurements presented. Subject coverage includes the theory, practice and application of measurement in physics, chemistry, engineering and the environmental and life sciences from inception to commercial exploitation. Publications in the journal should emphasize the novelty of reported methods, characterize them and demonstrate their performance using examples or applications.