MORPH Wheel: A Passive Variable-Radius Wheel Embedding Mechanical Behavior Logic for Input-Responsive Transformation. - Jaehyung Jang; JuYeong Seo; Dae-Young Lee; Jee-Hwan Ryu (CoRR, 2026)

Dual Variable-Radius Drum for Transmission Ratio Linearization and Stroke Enhancement in Twisted String Actuators. - JuYeong Seo; Jaehyung Jang; Seungjoon Baek; Jee-Hwan Ryu (IEEE Robotics Autom. Lett., 2026)