Balance Control of a Humanoid Robot Based on the Reaction Null Space Method. - Akinori Nishio; Kentaro Takahashi; Dragomir N. Nenchev (IROS, 2006)

Experimental validation of ankle and hip strategies for balance recovery with a biped subjected to an impact. - Dragomir N. Nenchev; Akinori Nishio (IROS, 2007)

Ankle and hip strategies for balance recovery of a biped subjected to an impact. - Dragomir N. Nenchev; Akinori Nishio (Robotica, 2008)