The fuzzy navigator with a local minima solver for real-time self-reaction of a mobile robot in flexible manufacturing cell/system (FMC/FMS)
2005
This paper presents a novel two-layer fuzzy-navigator that incorporates sensing, control and planning to guide real-time self-reaction of a mobile robot in FMC/FMS. It can identify and solve the local minima problem during the robot's movement, which mimic the way that a human might understand his trapped state by recollecting some of similar experiences he had experienced before. The first-layer-controller does the regular navigation, while the remembrance is provided by the second-layer local-minima-solver, which can also analyze the information of sensor readings, impart an understanding of the robot's local environment and correlate the same with human heuristic experiences of a similar environment. The robot's local environment is identified in terms of fuzzy-rule, sensor- information and landmark-weight-vector. When the robot reaches a dangerous landmark-weigh-value during movement, it understands its entanglement in a loop and takes suitable actions to pull the robot out of its trap. The simulation results prove the validity of the proposed method.
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