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author:

涂俊翔 (涂俊翔.) [1] | 楼宇舟 (楼宇舟.) [2]

Indexed by:

PKU

Abstract:

针对Elman神经网络在轴承故障诊断中受到大量冗余信息制约的问题,以及基于信息熵的属性离散方法阈值选取具有主观性的缺点,提出了改进的基于信息熵的粗糙集连续属性离散化算法。利用该算法结合粗糙集理论对轴承故障数据进行约简,剔除对决策影响较小的属性样本,构建优化的粗糙集-Elman神经网络轴承故障诊断系统。将该方法应用到轴承故障诊断中,结果表明,改进后的Elman网络在保证诊断准确性的同时具有明显的效率优势。

Keyword:

信息熵 故障诊断 滚动轴承 神经网络 离散化 粗糙集 约简

Community:

  • [ 1 ] 福州大学机械工程及自动化学院

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Source :

轴承

Year: 2014

Issue: 02

Page: 44-47

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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