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Home / Proceedings / Proceedings of the International Conference on Automated Planning and Scheduling, 32 / Book One

Conflict-Directed Diverse Planning for Logic-Geometric Programming

February 1, 2023

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Authors

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz

TU Berlin,Technion,TU Berlin,IBM


DOI:

10.1609/icaps.v32i1.19811


Abstract:

Robots operating in the real world must combine task planning for reasoning about what to do with motion planning for reasoning about how to do it -- this is known as task and motion planning. One promising approach for task and motion planning is Logic Geometric Programming (LGP) which integrates a logical layer and a geometric layer in an optimization formulation. The logical layer describes feasible high-level actions at an abstract symbolic level, while the geometric layer uses continuous optimization methods to reason about motion trajectories with geometric constraints. In this paper we propose a new approach for solving task and motion planning problems in the LGP formulation, that leverages state-of-the-art diverse planning at the logical layer to explore the space of feasible logical plans, and minimizes the number of optimization problems to be solved on the continuous geometric layer. To this end, geometric infeasibility is fed back into planning by identifying prefix conflicts and incorporating this back into the planner through a novel multi-prefix forbidding compilation. We further leverage diverse planning with a new novelty criteria for selecting candidate plans based on the prefix novelty, and a metareasoning approach which attempts to extract only useful conflicts by leveraging the information that is gathered in the course of solving the given problem.

Topics: ICAPS

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HOW TO CITE:

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz Conflict-Directed Diverse Planning for Logic-Geometric Programming Proceedings of the International Conference on Automated Planning and Scheduling, 32 (2022) 279-287.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz Conflict-Directed Diverse Planning for Logic-Geometric Programming ICAPS 2022, 279-287.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz (2022). Conflict-Directed Diverse Planning for Logic-Geometric Programming. Proceedings of the International Conference on Automated Planning and Scheduling, 32, 279-287.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz. Conflict-Directed Diverse Planning for Logic-Geometric Programming. Proceedings of the International Conference on Automated Planning and Scheduling, 32 2022 p.279-287.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz. 2022. Conflict-Directed Diverse Planning for Logic-Geometric Programming. "Proceedings of the International Conference on Automated Planning and Scheduling, 32". 279-287.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz. (2022) "Conflict-Directed Diverse Planning for Logic-Geometric Programming", Proceedings of the International Conference on Automated Planning and Scheduling, 32, p.279-287

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz, "Conflict-Directed Diverse Planning for Logic-Geometric Programming", ICAPS, p.279-287, 2022.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz. "Conflict-Directed Diverse Planning for Logic-Geometric Programming". Proceedings of the International Conference on Automated Planning and Scheduling, 32, 2022, p.279-287.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz. "Conflict-Directed Diverse Planning for Logic-Geometric Programming". Proceedings of the International Conference on Automated Planning and Scheduling, 32, (2022): 279-287.

Joaquim Ortiz-Haro,Erez Karpas,Marc Toussaint,Michael Katz. Conflict-Directed Diverse Planning for Logic-Geometric Programming. ICAPS[Internet]. 2022[cited 2023]; 279-287.


ISSN: 2334-0843


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