A. Concha, F. E. González-Sánchez, E. Ramírez-Velasco, M. Sánchez, and S. K. Gadi, “Comparison of Control Algorithms Using a Generalized Model for a Human with an Exoskeleton”, J. Appl. Sci. Process Eng., vol. 5, no. 1, pp. 249–255, Mar. 2018.