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基于随机临近嵌入和逻辑回归的滚动轴承可靠性评估

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提出了一种基于随机临近嵌入与逻辑回归模型相结合的滚动轴承运行可靠度评估方法,该方法可以解决滚动轴承运行过程中存在的可靠度问题.首先,对振动信号进行特征提取,构成特征参数集;其次,使用随机临近嵌入降维算法对特征参数集降维,构成低维特征向量集;再次,引用小波去噪法对特征向量集进行降噪处理;最后,将降噪后的数据带入逻辑回归模型中评估滚动轴承的可靠性,并由西安交通大学滚动轴承振动信号数据集证明了该方法的有效性.
Reliability Evaluation of Rolling Bearings Based on Stochastic Proximity Embedding and Logistic Regression
A rolling bearing operation reliability evaluation method based on stochastic adjacent embedding and logistic regression model was proposed,which could solve the reliability problems in rolling bearing operation.Firstly,feature extraction of vibration signals is carried out to construct feature parameter sets;secondly,the random adjacent embedding dimensionality reduction algo-rithm is used to reduce the dimensionality of the feature parameter set to form the low-dimensional feature vector set;thirdly,the wavelet denoising method is used to de-noise the feature vector set;finally,the denoised data were put into the logistic regression model to evaluate the reliability of rolling bearings,and the validity of the proposed method was proved by the rolling bearing vi-bration signal dataset from Xi'an Jiaotong University.

Rolling BearingStochastic Proximity EmbeddingLogistic RegressionWavelet DenoisingReliability EvaluationFeature Extraction

高淑芝、陈一丹、张义民、陈国庆

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沈阳化工大学装备可靠性研究所,辽宁 沈阳 110142

沈阳化工大学机械与动力工程学院,辽宁 沈阳 110142

滚动轴承 随机临近嵌入 逻辑回归 小波去噪 可靠性评估 特征提取

NSFC-国家自然科学重点基金-辽宁联合基金辽宁省特聘教授

U1708254[2018]3533

2024

机械设计与制造
辽宁省机械研究院

机械设计与制造

CSTPCD北大核心
影响因子:0.511
ISSN:1001-3997
年,卷(期):2024.404(10)
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