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Issue:
Ensemble Empirical Mode Decomposition for Power Quality Detection Applications
Author(s):
CHEN Ke
,
LI Ye
,
CHEN Lan
Pages:
263
-
266
Year:
2010
Issue:
3
Journal:
Computer Simulation
Keyword:
EEMD
;
Hilbert-Huang transform
;
Fault detection
;
Abstract:
针对经验模态分解(EMD)的希尔伯特一黄变换(HHT)在电力系统故障信号检测问题,应用存在的模态混叠会导致扰动信号检测失效,为此提出一种基于聚类经验模型分解(EEMD)的故障信号检测的方法.方法通过多次对目标数据加入随机白噪声序列以保证不同区域信号映射的完整性,并且克服了传统EMD分解造成的模态混叠问题,通过EEMD方法提取信号的固有模态函数(IMF),再进行Hilbert变换,利用Hilbert...
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