Publications by Qingkun Guo There are ... items referenced. Alternative author names: Qingkun Guo. 2026 -- Bingchang Lv, Haisheng Yu, Xiangxiang Meng, Qing Yang, Qingkun GuoMulti-Condition Energy Efficiency Optimization and Smooth-Switching Control of PMSM via Port-Hamiltonian System Principle 2024 -- Qingkun Guo, Haisheng Yu, Qing Yang, Xunkai Gao, Xiangxiang MengCooperative control of variable damping error port Hamiltonian and backstepping nonsingular terminal sliding mode control for manipulators driven by PMSMs