Dynamic modeling of gearbox faults: A review

Review on dynamics of cracked gear systems

Machinery fault diagnosis with imbalanced data using deep generative adversarial networks

Rotating machinery fault diagnosis problems have been well-addressed when sufficient supervised data of the tested machine are available using the latest data-driven methods. However, it is still challenging to develop effective diagnostic method with insufficient training data, which is highly demanded in real-industrial scenarios, since high-quality data are usually difficult and expensive to collect. Considering the underlying similarities of rotating machines, data mining on different but related equipments potentially benefit the diagnostic performance on the target machine. Therefore, a novel transfer learning method for diagnostics based on deep learning is proposed in this article, where the diagnostic knowledge learned from sufficient supervised data of multiple rotating machines is transferred to the target equipment with domain adversarial training. Different from the existing studies, a more generalized transfer learning problem with different label spaces of domains is investigated, and different fault severities are also considered in fault diagnostics. The experimental results on four datasets validate the effectiveness of the proposed method, and show it is feasible and promising to explore different datasets to improve diagnostic performance.

Xu Pang

Papers

Review on dynamics of cracked gear systems

Time-varying mesh stiffness calculation of cracked spur gears

An improved analytical method for mesh stiffness calculation of spur gears with tip relief

Fault features analysis of cracked gear considering the effects of the extended tooth contact

Improved time-varying mesh stiffness model of cracked spur gears