Study on Simultaneous fault diagnosis based information fusion technique

被引：0

作者：

Cai, Xing-Guo ^{[1
]}

Ma, Ping ^{[1
]}

机构：

[1] Sch. of Elec. Eng. and Automat., Harbin Inst. of Technol., Harbin 150001, China

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2003年 / 23卷 / 05期

关键词：

Bearings (machine parts) - Electric power systems - Rotors - Sensors;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A new information fusion approach based on extended Dempster-Shafer theory is proposed to diagnose simultaneous faults. Simultaneous faults are introduced in the frame of discernment and two different combination rules are established. The first combination rule fuses these bodies of evidence with same focal elements, the second combination rule fuses these bodies of evidence with different focal elements. Finally, a case study pertaining to the fault diagnosis for rotor-bearing systems is given, and by comparing and analyzing the diagnosis results based on the first combination rule and the second combination rule respectively, it is shown that the presented diagnosis approach is feasible and efficient.

引用

页码：112 / 115

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