Compliant actuation for energy efficient impedance modulation. - David J. Braun; Salil S. Apte; Olzhas Adiyatov; Abhinav Dahiya; Neville Hogan (ICRA, 2016)

Variable Stiffness Spring Actuators for Low-Energy-Cost Human Augmentation. - David J. Braun; Vincent Chalvet; Tze Hao Chong; Salil S. Apte; Neville Hogan (IEEE Trans. Robotics, 2019)

Neglected physical human-robot interaction may explain variable outcomes in gait neurorehabilitation research. - Michiel Plooij; Salil S. Apte; Urs Keller; P. Baines; Bram Sterke; L. Asboth; Grégoire Courtine; Joachim von Zitzewitz; Heike Vallery (Sci. Robotics, 2021)