FHI: A Fault Intensity-based Hierarchical Association Analysis Model for Mining Fault Database of Railway OCS. - Kaiyi Qian; Long Yu; Yigu Liu (ISKE, 2019)

A Fault Precaution Model based on Fault Sequential Patterns for Metro Overhead Contact System. - Yigu Liu; Long Yu; Kaiyi Qian (ITSC, 2019)

Fault Tree Construction Model Based on Association Analysis for Railway Overhead Contact System. - Kaiyi Qian; Long Yu 002; Shibin Gao (Int. J. Comput. Intell. Syst., 2021)