Successive Stiffness Increment and Time Domain Passivity Approach for Stable and High Bandwidth Control of Series Elastic Actuator. - Chan-Il Lee; Do-Hyeong Kim; Harsimran Singh; Jee-Hwan Ryu (ICRA, 2020)

Ensuring Stable and Transparent High Stiffness Haptic Interaction Using Successive Force Augmention with Time Domain Passivity Approach. - Harsimran Singh; Michael Rothammer; Chan-Il Lee; Thomas Hulin; Jee-Hwan Ryu; Christian Ott 001 (ISER, 2020)

Enhancing the Rate-Hardness of Haptic Interaction: Successive Force Augmentation Approach. - Harsimran Singh; Dominik Janetzko; Aghil Jafari; Bernhard M. Weber; Chan-Il Lee; Jee-Hwan Ryu (IEEE Trans. Ind. Electron., 2020)