1. Agrawal, A., Banala, S.K., Agrawal, S.K., Binder-Macleod, S.A.: Design of a two degree-of-freedom ankle–foot orthosis for robotic rehabilitation. In: IEEE International Conference on Rehabilitation Robotics, 2005. IEEE, pp. 41–44 (2005)
2. Ayas, M.S., Altas, I.H.: Fuzzy logic based adaptive admittance control of a redundantly actuated ankle rehabilitation robot. Control Eng. Pract. 59, 44–54 (2017)
3. Balasubramanian, K., Rattan, K.S.: Fuzzy logic control of a pneumatic muscle system using a linearing control scheme. In: IEEE 22nd International Conference North American Fuzzy Information Processing Society (NAFIPS), 2003. IEEE, pp. 432–436 (2003)
4. Banala, S.K., Agrawal, S.K., Kim, S.H., Scholz, J.P.: novel gait adaptation and neuromotor training results using an active leg exoskeleton. IEEE/ASME Trans. Mechatron. 15(2), 216–225 (2010)
5. Belda-Lois, J.M., Mena-del, Horno S., Bermejo-Bosch, I., Bermejo-Bosch, I., Moreno, J.C., Pons, J.L., Farina, D., Losa, M., Molinari, M., Tamburella, F., Ramos, A., Caria, A., Solis-Escalante-Solis, T., Brunner, C., Rea, M.: Rehabilitation of gait after stroke: a review towards a top-down approach. J. Neuroeng. Rehabil. 8(1), 66 (2011)