H. Hirabayashi

Papers

Total Citations

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About

H. Hirabayashi is a pioneering researcher in the field of robotics, with a primary focus on joint torque sensing and motion control for robotic systems. His most significant contribution is the development of a novel joint torque sensing technique for robots equipped with harmonic drives, published in 2002. This work, which has garnered 26 citations, cleverly utilizes the inherent elasticity of harmonic drives to measure joint torque without compromising mechanical stiffness or altering the robot's structural design—a breakthrough that balances sensing accuracy with system integrity. In a related study (15 citations), Hirabayashi explored the effects of joint flexibility on motion control, demonstrating that positive feedback of joint torques can effectively cancel nonlinear dynamic couplings between links, resulting in a servo system with exceptionally high stiffness. This research addresses a critical challenge in robotics: maintaining precise control despite the inherent flexibility in joints. Hirabayashi’s work is notable for its practical impact, offering solutions that enhance the performance and reliability of robotic arms in industrial and research applications. His contributions remain influential for engineers and researchers seeking to improve robot dynamics and control.