Impedance and Force-field Control of the Index Finger Module of a Hand Exoskeleton for Rehabilitation Agarwal, P., & Deshpande, A. D. (2015, August). Impedance and force-field control of the index finger module of a hand exoskeleton for rehabilitation. In Rehabilitation Robotics (ICORR), 2015 IEEE International Conference on (pp. 85-90). IEEE.