Weak fault feature extraction of rolling bearing based on multi-system coupled cascaded stochastic resonance system
Jimeng Li,
Junling Peng,
Shi Zhang
et al.
Abstract:The accurate extraction of weak signal features under strong noise background plays a crucial role in the fault detection of rolling bearings. In order to promote the ability of stochastic resonance (SR) system to detect weak signals and improve the output performance of the system, a multi-system coupled cascaded SR (MCCSR) system is investigated and applied to the fault detection of rolling bearings. Firstly, a MCCSR system is constructed by exploiting the positive synergistic effect between multiple systems… Show more
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