S. Jackson, L. Ellis, C. Lui, P. Molloy, K. Paterson, Mervin Chandrapal, Xiaoqi Chen. Development of an active powered biped lower limb exoskeleton. In 2014 IEEE International Conference on Automation Science and Engineering, CASE 2014, New Taipei, Taiwan, August 18-22, 2014. pages 990-995, IEEE, 2014. [doi]