Changhyun Roh

Papers

Total Citations

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About

Dr. Changhyun Roh is a leading roboticist whose work bridges foundational humanoid robotics and cutting-edge wearable assistive technologies. His early, highly influential research culminated in the development of the **Mahru III** bipedal humanoid robot at Samsung Electronics. This 150 cm, 62 kg platform, detailed in his 2007 paper (44 citations), was a landmark project aimed at creating robots capable of operating in human-centric, wireless environments for daily life, establishing core principles in bipedal locomotion and full-body control. Building on this deep understanding of human gait, Dr. Roh has recently pioneered a paradigm shift toward ultra-efficient assistive devices. His 2025 paper on an **ultra-lightweight robotic hip exoskeleton** (7 citations) introduces a novel design that leverages anti-phase torque symmetry to dramatically enhance walking efficiency. By maximizing the assistance-to-weight ratio, this compact system represents a significant leap forward, demonstrating his ability to translate complex biomechanical insights into practical, high-impact solutions that promise to redefine mobility assistance and rehabilitation.