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Kinodynamic motion planning on roadmaps in dynamic environments

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2 Author(s)
Jur van den Berg ; Department of Computer Science, University of North Carolina at Chapel Hill, USA ; Mark Overmars

In this paper we present a new method for kinodynamic motion planning in environments that contain both static and moving obstacles. We present an efficient two-stage approach: in the preprocessing phase, it constructs a roadmap that is collision-free with respect to the static obstacles and encodes the kinematic constraints on the robot. In the query phase, it plans a time-optimal path on the roadmap that obeys the dynamic constraints (bounded acceleration, curvature derivative) on the robot and avoids collisions with any of the moving obstacles. We do not put any constraints on the motions of the moving obstacles, but we assume that they are completely known when a query is performed. We implemented our method, and experiments confirm its good performance.

Published in:

2007 IEEE/RSJ International Conference on Intelligent Robots and Systems

Date of Conference:

Oct. 29 2007-Nov. 2 2007