Intelligent robust milling tool wear monitoring via fractal analysis of cutting force. - Tongshun Liu; Kunpeng Zhu (CASE, 2017)

Online Tool Wear Monitoring Via Hidden Semi-Markov Model With Dependent Durations. - Kunpeng Zhu; Tongshun Liu (IEEE Trans. Ind. Informatics, 2018)

A Switching Hidden Semi-Markov Model for Degradation Process and Its Application to Time-Varying Tool Wear Monitoring. - Tongshun Liu; Kunpeng Zhu (IEEE Trans. Ind. Informatics, 2021)