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A study of autonomous mobile system in outdoor environment. III. Local path planning for a nonholonomic mobile robot by chained form

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2 Author(s)
J. Takiguchi ; Mitsubishi Electr. Corp., Kamakura, Japan ; J. Hallam

This paper presents the path planning/control method of a car-like mobile robot. The proposed two-stage path planner consists of the global path planner and the local path planner. The global path planner finds collision-free paths from an environmental map, which features universal consideration of the topological configuration of all obstacles by the method of Maklink Graph. The local path planner/controller linearises the robot dynamics by using the chained form and accomplishes a closed-loop control. This satisfies the nonholonomic constraints and obtains robustness toward model errors, drift and disturbances. Obstacle avoidance experiments show that the proposed method can successfully plan a collision-free path in a cluttered environment and navigate the robot to the goal with high trajectory accuracy

Published in:

Vehicle Electronics Conference, 1999. (IVEC '99) Proceedings of the IEEE International

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