Modularized in-pipe robot capable of selective navigation Inside of pipelines. - Se-gon Roh; Do Wan Kim; Jung-Sub Lee; Hyungpil Moon; Hyouk Ryeol Choi (IROS, 2008)

In-pipe robot navigation based on the landmark recognition system using shadow images. - Jung-Sub Lee; Se-gon Roh; Do Wan Kim; Hyungpil Moon; Hyouk Ryeol Choi (ICRA, 2009)

Flexible suspension mechanism for stable driving of a differential drive mobile robot. - Se-gon Roh; Bokman Lim; Hyungpil Moon; Jung-Sub Lee; Jae Hoon Park; Jachoon Koo; Hyouk Ryeol Choi (IROS, 2013)