Research Article

Development and Evaluation of Compact Robot Imitating a Hermit Crab for Inspecting the Outer Surface of Pipes

Table 3

Success rate for movement on the pipe.

Tilt angle of steel pipesSuccess rate
External diameter
21.7 mm60.5 mm76.3 mm101.6 mm

Cannot run the whole distance65%95%90%
30°95%100%100%
45°100%85%95%
60°100%100%95%
90°100%100%100%