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Path planning with loop closure constraints using an atlas-based RRT

AutorJaillet, Léonard ; Porta, Josep M.
Fecha de publicación2011
CitaciónISRR 2011
ResumenIn many relevant path planning problems, loop closure constraints reduce the configuration space to a manifold embedded in the higher-dimensional joint ambient space. Whereas many progresses have been done to solve path planning problems in the presence of obstacles, only few work consider loop closure constraints. In this paper we present the AtlasRRT algorithm, a planner specially tailored for such constrained systems that builds on recently developed tools for higher-dimensional continuation. These tools provide procedures to define charts that locally parametrize manifolds and to coordinate them forming an atlas. AtlasRRT simultaneously builds an atlas and a Rapidly-Exploring Random Tree (RRT), using the atlas to sample relevant configurations for the RRT, and the RRT to devise directions of expansion for the atlas. The new planner is advantageous since samples obtained from the atlas allow a more efficient extension of the RRT than state of the art approaches, where samples are generated in the joint ambient space.
DescripciónPresentado al 15th International Symposium on Robotics Research celebrado en USA del 28 de agosto al 1 de septiembre de 2011.
Versión del editorhttp://www.isrr-2011.org/ISRR-2011/Home.html
URIhttp://hdl.handle.net/10261/97636
Aparece en las colecciones: (IRII) Comunicaciones congresos
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