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Author:

崔玲丽 (崔玲丽.) | 赵心源 (赵心源.) | 刘东东 (刘东东.)

Indexed by:

zhihuiya

Abstract:

本发明公开了一种基于双变量加权映射图的轴承故障诊断方法,该方法基于自相关原理对信号的谱相干信息进行处理,利用自相关趋势为谱相干的各频谱频率分配适当的权重,提出了改进谱加权方法。提取每个循环频率切片中幅值最大的信息点,重构一维循环频率图,提出了循环频率加权函数以增强故障特征频率能量。基于改进谱加权方法和循环频率加权函数,构建二维加权双变量图,将其映射到谱相干二维图以增强故障特征,继而提高轴承故障诊断的准确性。

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Patent Info :

Type: 发明申请

Patent No.: CN202410086926.0

Filing Date: 2024-01-22

Publication Date: 2024-04-19

Pub. No.: CN117906958A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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