Testing and fault diagnosis of the condition monitoring based on the time-frequency analysis

被引：0
|
作者：
Zhao Da-wei [1 ]
Zi Fang [1 ]
Chen Guang-jun [1 ]
Li Yan-jun [1 ]
机构：
[1] Northwestern Polytech Univ, Coll Astronaut, Xian 710072, Peoples R China
来源：
Proceedings of 2005 Chinese Control and Decision Conference, Vols 1 and 2 | 2005年
关键词：
time-frequency distributionl; condition monitoring; fault diagnosis; FFT; PMH distribution;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The basic principle of detecting signal with time-frequency distribution is briefly presented. Based on the pseudo-margenau-hill distribution (PMHD), three group datum of the condition monitoring which are been gathered in the normal state, fault state of little valve-and fault state of crack valve are analyzed. The experimentation results indicate that PMHD,can identify the fault type of diesel engine and realize its state monitor and fault isolation.
引用
收藏
页码：1049 / 1051
页数：3
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