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The document discusses a method for detecting local defects on rolling-element bearings in induction motors using motor current signature analysis. The method involves using empirical mode decomposition to decompose the stator current signal into intrinsic mode functions, and then applying Hilbert transform to the intrinsic mode functions to detect fault-related harmonics that are introduced by defects on the inner ring, outer ring, balls, and cage of the bearing.
- Author
- SOCOP
- Language
- EN