Parametric excitation approaches to efficient dynamic bipedal walking. - Fumihiko Asano; Takeshi Hayashi 001; Zhi Wei Luo; Shinya Hirano; Atsuo Kato (IROS, 2007)

Experimental study of a parametrically excited dynamic bipedal walker with counterweights. - Takeshi Hayashi 001; Fumihiko Asano; Zhi Wei Luo; Akinori Nagano; Kazuaki Kaneko; Atsuo Kato (IROS, 2009)

Experimental Study of Dynamic Bipedal Walking Based on the Principle of Parametric Excitation with Counterweights. - Takeshi Hayashi 001; Kazuaki Kaneko; Fumihiko Asano; Zhi Wei Luo (Adv. Robotics, 2011)