Endo, K., Paluska D., Herr, H. A quasi-passive model of human leg function in level-ground walking, IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS); October 9-16, 2006; Beijing, China.

Walsh, C., Endo, K., Herr, H. A Quasi-Passive Leg Exoskeleton for Load-Carrying Augmentation, International Journal of Humanoid Robotics, 2007. (in press)

K. Endo, H. Kitano and T. Maeno, Evolutionary Design of Biped Walking Robot based on Co-Evolution of Morphology and Walking Pattern, The 1st International Conference on Manufacturing, Machine Design and Tribology, 2005

Ken Endo, Takashi Maeno and Hiroaki Kitano, Co-evolution of Morphology and Walking Pattern of Biped Humanoid Robot using Evolutionary Computation -Evolutionary Designing Method and its Evaluation-, Proc. IEEE/RSJ Intl. Conference on Intelligent Robots and Systems, 2003, pp. 340-343

Ken Endo, Takashi Maeno and Hiroaki Kitano, Co-evolution of Morphology and Walking Pattern of Biped Humanoid Robot using Evolutionary Computation -Designing the Real Robot-, Proc. IEEE International Conference on Robotics and Automation, 2003, pp. 1362-1367

Ken Endo, Takashi Maeno and Hiroaki Kitano, Co-evolution of Morphology and Walking Pattern of Biped Humanoid Robot using Evolutionary Computation -Consideration of characteristic of the servomotors-, Proc. IEEE/RSJ Intl. Conference on Intelligent Robots and Systems, 2002, pp. 2678-2683

Ken Endo, Fuminori Yamasaki, Takashi Maeno and Hiroaki Kitano, A Method for Co-Evolving Morphology and Walking pattern of Biped Humanoid Robot, Proc. IEEE International Conference on Robotics and Automation, 2002, pp. 2775-2780

Ken Endo and Takashi Maeno, Simultaneous Design of Morphology of Body, Neural Systems and Adaptability to Environment of Multi-Link-Type Locomotive Robots using Genetic Programming, Proc. IEEE/RSJ International Conference on Intelligent Robots and Systems，2001, pp. 2282-2287

Ken Endo and Takashi Maeno, Simultaneous Generation of Morphology of Body and Neural System of Multi-Linked Locomotive Robot using Evolutionary Computation, Proc. 32nd International Symposium on Robotics, 2001, pp. 499-504