Ren Fukui

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About

Ren Fukui is a pioneering researcher in micro-robotics and precision actuation systems, with a career spanning foundational work in piezoelectric-driven mechanisms to modern human-machine cooperative robotics. His early seminal paper, "Micro robot actuated by rapid deformation of piezoelectric elements" (2002, 25 citations), introduced an inchworm-inspired micro robot that achieved precise step displacement through the coordinated adhesion of electromagnets and rapid piezoelectric deformation—a design that remains influential in micro-manipulation and biomedical device development. Expanding on this, Fukui developed miniature robots with three degrees of freedom, including Y-shape and Δ-shape configurations, enabling displacement in X, Y, and rotational axes, as detailed in his 2002 work (9 citations). More recently, Fukui has advanced the field of series elastic actuation for human-machine cooperative robots, addressing the critical challenge of low impedance and high torque through impedance control that accounts for motor velocity saturation (2021, 4 citations). This work is vital for safe, responsive collaborative robots. With a career bridging micro-scale precision and compliant actuation, Fukui’s contributions continue to inspire innovations in robotics, from surgical tools to industrial automation.