A data generation method with a novel loss for fault diagnosis without target-domain data

Guoli Bai, Wei Sun, Zhidan Zhong, Qingchao Sun, Liang Sun, School of Mechanical Engineering, Dalian University of Technology, School of Mechanical and Electrical Engineering, Henan University of Science and Technology

Journal of Vibration and Control

Published online on February 04, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
Data-driven bearing fault diagnosis methods have achieved significant success under single working conditions, where training and testing data follow similar distributions. However, changes in bearing working conditions often cause data distribution ...