The Output Analysis of Backlash Nonlinearity System Based on Modified EMD Method

被引：0
|
作者：
Hu, Hong-Ying [1 ]
Luo, Yue-Gang [1 ]
Zhao, Feng-Qiang [1 ]
机构：
[1] Dalian Nationalities Univ, Sch Electromech Informat Engn, Dalian, Peoples R China
来源：
2015 INTERNATIONAL CONFERENCE ON MECHANICAL SCIENCE AND MECHANICAL DESIGN, MSMD 2015 | 2015年
关键词：
Empirical Mode Decomposition (EMD); Frequency heterodyne; Backlash nonlinearity system; HILBERT SPECTRUM; DECOMPOSITION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Empirical Mode Decomposition (EMD) is an adaptive decomposition method developed recently in non-stationary signal processing field. But one of the major drawbacks of the EMD is that, when high frequency components in a signal contain intermittence, the result of EMD appears mode-mixing in time domain. The paper discusses a modified mode-mixing resistant EMD method: frequency heterodyne method. The principle and the operating steps of the method are studied in detail. The simulation and application in a backlash nonlinearity system shows that the method can successfully solve the mode-mixing problem in normal EMD method.
引用
收藏
页码：597 / 602
页数：6
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