...
机译:
Rocket Force Univ Engn, Dept Automat, Xian 710025, Peoples R China;
Guangdong Univ Petrochem Technol, Guangdong Key Lab Petrochem Equipment Fault Diag, Maoming 525000, Peoples R China;
Feature extraction; Fault diagnosis; Machine learning; Vibrations; Entropy; Employee welfare; Sensors; Variational mode decomposition; composite multi-scale dimensionless indicators; feature evaluation; affinity propagation clustering; intelligent fault diagnosis;