Research Article

A Novel Method for Adaptive Multiresonance Bands Detection Based on VMD and Using MTEO to Enhance Rolling Element Bearing Fault Diagnosis

Table 2

Fault characteristic frequencies of the test rolling bearing. , ball pass frequency inner race (BPFI); , ball pass frequency outer race (BPFO); , ball fault frequency (BFF); , cage pass frequency (CPF).

Fault type

Fault ratio4.763.255.110.41
Fault frequency/(Hz)118.8881.13127.7310.14