Keiken Ninomiya

Institute of Space and Astronautical Science

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About

Keiken Ninomiya is a pioneering figure in the field of space robotics, with a career dedicated to solving the unique challenges of robotic manipulation in zero-gravity environments. His research focuses on the control and simulation of free-flying space robots, particularly the complex dynamics where a manipulator’s motion induces reaction forces on the robot body itself. Ninomiya’s foundational work, including his highly cited 1989 paper “Simulation System for a Space Robot using 6 Axis SERVOS” (11 citations), established critical simulation frameworks for understanding these interactions. He further advanced the field by developing visual feedback control schemes for satellite grappling, addressing the problem of how a robot’s own movement alters its camera view. His 1994 study on “Satellite Grappling by Free-Flying Robot Based on Visual Information” (2 citations) remains a notable contribution to autonomous orbital servicing. By tackling the core technical hurdles of reaction control and 6-DOF motion recognition, Ninomiya’s research laid the groundwork for modern space-based robotic systems, influencing subsequent work in autonomous satellite capture and on-orbit assembly.