A pipeline inspection robot with a linkage type mechanical clutch. - Young Sik Kwon; Bae Lee; In-Cheol Whang; Byung-Ju Yi (IROS, 2010)

A flat pipeline inspection robot with two wheel chains. - Young Sik Kwon; Bae Lee; In-Cheol Whang; Whee Kuk Kim; Byung-Ju Yi (ICRA, 2011)

Motion study on drilling of wired micro robot system for the CTO treatment. - Bae Lee; Jong-Oh Park; Sukho Park; In-Cheol Hwang (ISR, 2013)