Dynamic modeling and stability analysis for the combined milling system with variable pitch cutter and spindle speed variation. - Gang Jin; Houjun Qi; Zhanjie Li; Jianxin Han (Commun. Nonlinear Sci. Numer. Simul., 2018)

Performances of a Contactless Energy Transfer System for Rotary Ultrasonic Machining Applications. - Xueming Zhu; Liping Liu; Houjun Qi (IEEE Access, 2020)