Kazuhiko Boku

Papers

Total Citations

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About

Kazuhiko Boku is a pioneering researcher in soft robotics and human-safe actuation systems, with a focus on developing compliant manipulators that can safely interact with humans. His most notable contributions center on the innovative use of electrorheological (ER) fluid clutches to create inherently safe robotic arms. In his landmark 2009 work, Boku developed a 3-degree-of-freedom (DOF) soft manipulator that leverages ER fluids to dramatically reduce collision forces during physical human-robot interaction. This design addresses a critical challenge in medical and home automation robotics: how to prevent injury when robots and people share space. Unlike traditional high-ratio gear trains that amplify impact forces, Boku's ER fluid-based approach allows for rapid torque modulation and energy absorption. His two most-cited papers (12 and 3 citations, respectively) establish the foundational principles for this technology, demonstrating that soft, clutch-based actuators can achieve both the precision needed for manipulation and the compliance required for safe co-robotics. Boku's work has influenced subsequent research in variable-stiffness actuators and impact-mitigation strategies, making him a key figure in the transition toward inherently safe robotic systems for domestic and clinical environments.