A robust control of robot manipulators for physical interaction: stability analysis for the interaction with unknown environments. - Seongil Hwang; Sang Hyun Park; Maolin Jin; Sang Hoon Kang (Intell. Serv. Robotics, 2021)

Physical Implications and Physics-Based Design Conditions of Nominal Inertia Matrix for Operational Space Perturbation Observer. - Sang Hyun Park; Seongil Hwang; Murim Kim; Sang Hoon Kang (IEEE Access, 2025)