[1] Hugh Herr. “Exoskeletons and Orthoses: Classification, Design Challenges and Future Directions.” Journal of Neuro Engineering Rehabilitation6, no. 21 (2009):1-9.
[2] Dollar, Aaron M. and Hugh Herr. “Lower Extremity Exoskeletons and Active Orthoses: Challenges and State-of-the-Art.” Robotics, IEEE Transactions on 24, no. 1 (2008):144-158.
[3] Riener, Robert, Lars Lunenburger, Saso Jezernik, Martin Anderschitz, Gery Colombo and Volker Dietz. “Patient-Cooperative Strategies for Robot-Aided Treadmill Training: First Experimental Results.” Neural Systems and Rehabilitation Engineering, IEEE Transactions on 13, no. 3 (2005):380-394.
[4] Argo Medical Technologies Ltd., editor. Rewalk, http://www.argomedtec.com /index.asp.
[5] Kong, Kyoungchul and Doyoung Jeon. “Design and Control of an Exoskeleton for the Elderly and Patients.’ Mechatronics, IEEE/ASME Transactions on 11, no. 4 (2006): 428-432.
[6] Blaya, Joaquin A., Hugh Herr. “Adaptive Control of a Variable-Impedance Ankle-Foot Orthosis to Assist Drop-Foot Gait.” Neural Systems and Rehabilitation Engineering, IEEE Transactions on 12, no. 1 (2004):24-31.
[7] Kazerooni, H., R. Steger. “The Berkeley Lower Extremity Exoskeleton.” Journal of dynamic systems, measurement, and control 128, no. 1 (2006): 14-25.
[8] Walsh, Conor James, Ken Endo and Hugh Herr. “A Quasi-Passive Leg Exoskeleton for Load-Carrying Augmentation.” International Journal of Humanoid Robotics 4, no. 03 (2007): 487-506.
[9] Zoss, Adam B., Hami Kazerooni and Andrew Chu. “Biomechanical Design of the Berkeley Lower Extremity Exoskeleton (Bleex).” Mechatronics, IEEE/ASME Transactions on 11, no. 2 (2006):128-138.
[10] Ataei, M.M., H. Salarieh, A. Alasty. “Adaptive Impedance Control of Exoskeleton Robot.” Modares Mechanical Engineering 13, no. 7 (2013): 111-126.
[11] Grand, William, Hugh M. Herr, Daniel Joseph Paluska, Kenneth Pasch, Andrew Valiente and Conor Walsh. “Exoskeletons for Running and Walking.” US. Patents, 2010.
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