An improved QPSO-SVM-based approach for predicting the milling force for white marble in robot stone machining. - Fangchen Yin; Qinzhi Ji; Chengwei Jin; Jing Wang (J. Intell. Fuzzy Syst., 2021)

A compensation sliding mode control for machining robotic manipulators based on nonlinear disturbance observer. - Fangchen Yin; Congwei Wen; Qinzhi Ji; Hongyuan Zhang; Hui Shao (Trans. Inst. Meas. Control, 2022)