Overcoming current quantization effects for precise current control by combining dithering techniques and kalman filter. - Hongzhong Zhu; Hiroshi Fujimoto (IECON, 2012)

Proposal of nonlinear friction compensation approach for a ball-screw-driven stage in zero-speed region including non-velocity-reversal motion. - Hongzhong Zhu; Hiroshi Fujimoto (IECON, 2013)

Proposal of fast and high-precision control for ball-screw-driven stage by explicitly considering elastic deformation. - Hongzhong Zhu; Hiroshi Fujimoto (AMC, 2014)

Suppression of Current Quantization Effects for Precise Current Control of SPMSM Using Dithering Techniques and Kalman Filter. - Hongzhong Zhu; Hiroshi Fujimoto (IEEE Trans. Ind. Informatics, 2014)

A study on torsional vibration reduction for variable-speed variable-pitch wind turbines. - Hongzhong Zhu; Shigeo Yoshida; Hiroyuki Kajiwara; Yasuyuki Ogawa; Shigeyuki Nakada; Junji Ono (ICM, 2017)

Disturbance observer-based torsional vibration damper for variable-speed wind turbines. - Hongzhong Zhu; Shigeo Yoshida (IFAC J. Syst. Control., 2020)