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Rolling Bearing Fault Diagnosis Based on EWT Sub-Modal Hypothesis Test and Ambiguity Correlation Classification
2018
Symmetry
Because of the cyclic symmetric structure of rolling bearings, its vibration signals are regular when the rolling bearing is working in a normal state. But when the rolling bearing fails, whether the outer race fault or the inner race fault, the symmetry of the rolling bearing is broken and the fault destroys the rolling bearing's stable working state. Whenever the bearing passes through the fault point, it will send out vibration signals representing the fault characteristics. These signals
doi:10.3390/sym10120730
fatcat:pknfhfnbhrah7puxdzzve4usua