“…In rotordynamics orbit shape plays an important role in determining the operating condition of the system and CNNs have been used to classify the orbit shapes to determine various faults such as imbalance, oil whirl, rubbing, misalignment etc. in a rotor system (Caponetto, Rizzo, Russotti, & Xibilia, 2019;Wu, Feng, Sun, Xu, & Ai, 2019;Jiang, Wang, Zhao, Xu, & Lin, 2020).…”