A Secondary Iterative Sifting EMD Algorithm and its Application to Bearing Fault Diagnosis

Wei Tang; Yu Yang Lian; Xi Chen; Zhi Yong Pei; Qi Wang

doi:10.4028/www.scientific.net/AMM.734.451

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 734A Secondary Iterative Sifting EMD Algorithm and...

A Secondary Iterative Sifting EMD Algorithm and its Application to Bearing Fault Diagnosis

Abstract:

Aiming at the mode mixing problem caused by interpolation point selection of conventional EMD (Empirical mode decomposition) method, a secondary iterative sifting EMD method that can avoid mode mixing and achieve high-precision decomposition of HHT (Hilbert–Huang transformation) is proposed based on the theory of EMD. The simulation results show that the proposed method is superior to conventional EMD on the ability to split mixed signal. Finally, the proposed algorithm is applied to the fault diagnosis of rolling bearing and the test results have proved its effectiveness and advantages.

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Periodical:

Applied Mechanics and Materials (Volume 734)

Pages:

451-458

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.734.451

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Online since:

February 2015

Authors:

Wei Tang*, Yu Yang Lian, Xi Chen, Zhi Yong Pei, Qi Wang

Keywords:

Empirical Mode Decomposition (EMD), Fault Diagnosis, Hilbert–Huang Transformation (HHT), Rolling Bearing, Secondary Iterative Sifting EMD Algorithm

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