Impact Based Trajectory Planning of a Soccer Ball in a Kicking Robot. - Je Youn Choi; Byung Rok So; Byung-Ju Yi; Whee Kuk Kim; Il Hong Suh (ICRA, 2005)

A new ZMP constraint equation with application to motion planning of humanoid using kinematic redundancy. - Byung Rok So; Je Youn Choi; Byung-Ju Yi; Whee Kuk Kim (IROS, 2005)