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基于Hilbert-Huang变换的轴向柱塞泵故障诊断研究 被引量:4

Axis piston pump faults diagnosis based on hilbert-huang transform
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摘要 采用Hilbert-Huang变换,提取轴向柱塞泵泵壳振动信号故障特征。该方法先对信号进行EMD分析和Hilbert变换,再提取信号Hilbert谱及能量谱。能量谱反映了信号能量的大小和分布的复杂性,为信号特征的提取提供依据。实验分析结果表明,提取的特征有效地刻画了故障信号,为故障模式的识别奠定了基础。
出处 《液压与气动》 北大核心 2011年第2期79-81,共3页 Chinese Hydraulics & Pneumatics
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