Title :
Learning impedance controller parameters for lower-limb prostheses
Author :
Aghasadeghi, Navid ; Huihua Zhao ; Hargrove, Levi J. ; Ames, A.D. ; Perreault, Eric J. ; Bretl, Timothy
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
Impedance control is a common framework for control of lower-limb prosthetic devices. This approach requires choosing many impedance controller parameters. In this paper, we show how to learn these parameters for lower-limb prostheses by observation of unimpaired human walkers. We validate our approach in simulation of a transfemoral amputee, and we demonstrate the performance of the learned parameters in a preliminary experiment with a lower-limb prosthetic device.
Keywords :
adaptive control; learning systems; prosthetics; learning impedance controller parameters; lower-limb prosthetic devices; transfemoral amputee; unimpaired human walkers; Estimation; Impedance; Joints; Knee; Legged locomotion; Prosthetics; Trajectory;
Conference_Titel :
Intelligent Robots and Systems (IROS), 2013 IEEE/RSJ International Conference on
Conference_Location :
Tokyo
DOI :
10.1109/IROS.2013.6696968