Abstract
This paper presents a method for local path planning for mobile robot navigation in an unknown environment, while considering the nonholonomic constraints of the robot. This method uses a new representation of the obstacles in the robot's velocity space, called feasible velocities polygon or FVP. The path planning algorithm is composed by two modules; the first one allows the robot to move towards the goal by using a local approach based on a optimization method (solved by a minimal distance calculation in the robot's velocity space). The second module, activated when a blocking situation is detected, uses the FVP to locally find the best velocity in order to solve the blocking situation.
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