High precision control of ball screw driven stage using repetitive control with sharp roll-off learning filter. - Tadashi Takemura; Hiroshi Fujimoto (AMC, 2012)

High-Precision Control of Ball-Screw-Driven Stage Based on Repetitive Control Using $n$-Times Learning Filter. - Hiroshi Fujimoto; Tadashi Takemura (IEEE Trans. Ind. Electron., 2014)