Implementation and Control of a Roadway Crack Tracking Mobile Robot with Force Regulation. - Hyun Taek Cho; Poongwoo Jeon; Seul Jung (ICRA, 2004)

Contour tracking of an unknown planar object by regulating force for mobile robot navigation. - Seul Jung; Poongwoo Jeon; Tien C. Hsia (Robotica, 2007)