1. (1) R. Kurazume, S. Tanaka, M. Yamashita, and T. Hasegawa: “Straight Legged Walking of a Biped Robot”, Proc. of the 2005 IEEE-RSJ Int. Conf. on Intelligent Robots and Systems, pp. 3095-3101 (2005)
2. (2) M. Morisawa, S. Kajita, K. Kaneko, K. Harada, F. Kanehiro, K. Fujiwara, and H. Hirukawa: “Pattern Generation of Biped Walking Constrained on Parametric Surface”, Proc. of the 2005 IEEE Int. Conf. on Robotics and Automation, pp. 2416-2421 (2005)
3. (3) K. Kameta, A. Sekiguchi, Y. Tsumaki, and Dragomir N. NENCHEV: “Walking Control for Humanoid Robot by the SC Approach”, JSME Trans. C, Vol. 73, No. 727, pp. 790-795 (2007) (in Japanese)
4. Walking Control for Humanoid Robot by the SC Approach
5. (4) A. Sekiguchi, Y. Tsumaki, Y. Atobe, K. Kameta, and Dragomir N. NENCHEV: “A Pattern Generator for Humanoid Walking through Singularity Neighborhood”, JSME Trans. C, Vol. 73, No. 727, pp. 796-802 (2007) (in Japanese)