Park, Yong Su. (2017). External Force Estimation in Reaction Force Sensing Series Elastic Actuator for Human Interaction Control. doi: 10.22677/thesis.2326619
Lee, Chan. (2018-11). Human force observation and assistance for lower limb rehabilitation using wire-driven series elastic actuator. Mechatronics, 55, 13–26. doi: 10.1016/j.mechatronics.2018.08.010