An intelligent index-driven multiwavelet feature extraction method for mechanical fault diagnosis
Mechanical Systems and Signal Processing(2023)
Abstract
•A novel feature extraction framework is proposed for inner product matching by intelligent index.•A specific intelligent index-driven multiwavelet feature extraction method is provided.•An intelligent index IWSES is designed as data-adapted guidance for specific methods.•It is applied to two experimental cases for detecting the bearing faults with comparisons.
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Key words
Inner product matching,Multiwavelets,Intelligent index,Feature extraction
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