1. Micro inspection robot for 1-in pipes;Suzumori;IEEE/ASME Trans Mechatronics,1999
2. Differential-drive in-pipe robot for moving inside urban gas pipelines;gon Roh;IEEE Trans Robot,2005
3. Modularized in-pipe robot capable of selective navigation inside of pipelines;gon Roh,2008
4. Development of an inspection robot for small diameter gas distribution mains;Dertien,2011
5. Design of a robot for in-pipe inspection using omnidirectional wheels and active stabilization;Dertien,2014