Frequency-enhanced network with self-supervised learning for anomaly detection of hydraulic piston pumps. - Minseok Choi; Changsung Lee; Sechang Park; Mikyung Hwang; Hyunseok Oh (Expert Syst. Appl., 2025)

Frequency-enhanced neural networks with a hybrid spall-size estimator for bearing fault diagnosis. - Mikyung Hwang; Minseok Choi; Hyunseok Oh (J. Comput. Des. Eng., 2025)