JOURNAL ARTICLE

Support Vector Machine Based Online Intelligent Chatter Detection

Shicai Qian

Year: 2015 Journal:   Journal of Mechanical Engineering Vol: 51 (20)Pages: 1-1

Abstract

摘要: 为了检测车削过程中的颤振,提出一种颤振在线智能检测方法。使用最小二乘一类支持向量机,训练出描述特征矢量集的超球面,通过计算被测样本与超球面的距离来判断其是否颤振。基于相干准则和分块矩阵求逆,构造了在线稀疏结构的最小二乘一类支持向量机,将特征信息存储于特征库(字典)中,通过更新特征库实现检测模型的在线进化。在颤振检测的应用中,首先使用小波包分解,得到第三层节点能量的比例作为特征矢量,以离线数据构造特征矢量作为输入,训练得到初始检测模型以及特征库,在线检测中不断更新特征库,实现检测模型的在线进化。试验结果表明,在车削颤振识别中,在线进化的检测模型的识别效果更好,颤振预报准确率高达至99.04%,优于离线模型的预报准确率96.74%。

Keywords:
Support vector machine Computer science Artificial intelligence Machine learning Pattern recognition (psychology)

Metrics

5
Cited By
0.31
FWCI (Field Weighted Citation Impact)
26
Refs
0.82
Citation Normalized Percentile
Is in top 1%
Is in top 10%

Citation History

Topics

Sentiment Analysis and Opinion Mining
Physical Sciences →  Computer Science →  Artificial Intelligence

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