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改进SSA-VMD算法及其...往复压缩机故障诊断中的应用 赵海洋.pdf

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改进SSA-VMD算法及其...往复压缩机故障诊断中的应用 赵海洋.pdf

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改进SSA-VMD算法及其...往复压缩机故障诊断中的应用 赵海洋.pdf

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文档介绍:年 月 润滑与密封
2022 7 机 改进 算法 振动信号 故障诊断
; SSA-VMD ; ;
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TH165. 3
Improved SSA VMD Algorithm and Its Application in Fault

Diagnosis of Reciprocating Compressor
ZHAO Haiyang HUANG Jun WANG Jindong WEN Haodong LI Xue
       
(School anical of Mech Science an d Engineering,North east Petroleum University,Daqing Heilongjiang 63318,China) 1
Abstract
:Aimed at the problem that e decrease th in population diversity of th e Sparrow Search Algorithm (SSA) e in th

later iterations is easy to lead the local extreme value solution of the m,the algorith distribution mutation strategy was in⁃
troduced to improve the SSA,and the improved SA was S used to optimize th e parameters of Variational Mode Decomposi⁃
tion(VMD),so as to obtain the optimal parameter combination e VMD of algorithm.C th ombining the improved SA S -VMD
algorithm ith w refined comp osite multi zzy-scale entropy fu ( RC MFE),the feature extraction of r