Non-contact incipient fault diagnosis method of fixed-axis gearbox based on CEEMDAN.

R Soc Open Sci · 2017 · PMC5579119 · PMID 28879003

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an increasing trendno p-value reported

It is observed that among all IMFs, the values of second IMF of CEEMDAN not only show an increasing trend with increasing fault for all gear conditions but exhibit much higher amplitude than that obtained from raw signals and second IMF of EEMD.

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