Safe Navigation of a Car-Like Robot in a Dynamic Environment

Stephane Petti 1 Thierry Fraichard 1
1 E-MOTION - Geometry and Probability for Motion and Action
GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes
Abstract : This paper addresses the problem of navigation of a car-like robot in dynamic environments. Such environments impose a hard real time constraint. However, computing a complete motion to the goal within a limited time is impossible to achieve in most real situations. Besides, the limited duration validity of the model used for planning requires the model and therefore the plan to be updated. In this paper, we present a Partial Motion Planning (PMP) approach as the answer to this problem. The issue of safety raised by this approach is addressed using the Inevitable Collision State formalism and effectiveness of the approach is demonstrated with several simulation examples. The quality of the generated trajectories is discussed and continuous curvature metric is integrated as a mean to improve it.
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Communication dans un congrès
Proc. of the European Conf. on Mobile Robots, Sep 2005, Ancona (IT), France. 2005
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Stephane Petti, Thierry Fraichard. Safe Navigation of a Car-Like Robot in a Dynamic Environment. Proc. of the European Conf. on Mobile Robots, Sep 2005, Ancona (IT), France. 2005. 〈inria-00182047〉

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