Abstract

This paper deals With the path planning and sensing planning expert system with learning functions for the pipeline inspection and maintenance robot, Mark IV. The robot can carry out inspection tasks to autonomously detect malfunctions in a plant pipeline system. Furthermore, the robot becomes more intelligent by adding the following functions: (1) the robot, Mark IV, is capable of inspecting surfaces of storage tanks as well as pipeline outer surfaces; (2) in path planning, the robot has a learning function using information generated in the past such as a moving path, task level and control commands of the robot; (3) in inspecting a pipeline system with plant equipment such as valves, franges, T-and L-joints, the robot is capable of inspecting continuous surfaces on pipeline. Thus, together with the improved, path planning expert system (PPES) and the sensing planning expert system (SPES), the Mark IV robot becomes intelligent enough to automatically carry out given inspection tasks.

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