Multi-Scale Analysis Based Ball Bearing Defect Diagnostics Using Mahalanobis Distance and Support Vector Machine. - Shuen-De Wu; Chiu-Wen Wu; Tian-Yau Wu; Chun-Chieh Wang (Entropy, 2013)

On Multi-Scale Entropy Analysis of Order-Tracking Measurement for Bearing Fault Diagnosis under Variable Speed. - Tian-Yau Wu; Chang-Ling Yu; Da-Chun Liu (Entropy, 2016)