Long-Horizon Planning and Execution with Functional Object-Oriented Networks

• URL: http://arxiv.org/abs/2207.05800v6
• Date: Fri, 2 Jun 2023 17:12:02 GMT
• Title: Long-Horizon Planning and Execution with Functional Object-Oriented Networks
• Authors: David Paulius, Alejandro Agostini and Dongheui Lee
• Abstract summary: We introduce the idea of exploiting object-level knowledge as a FOON for task planning and execution. Our approach automatically transforms FOON into PDDL and leverages off-the-shelf planners, action contexts, and robot skills. We demonstrate our approach on long-horizon tasks in CoppeliaSim and show how learned action contexts can be extended to never-before-seen scenarios.
• Score: 79.94575713911189
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Following work on joint object-action representations, functional object-oriented networks (FOON) were introduced as a knowledge graph representation for robots. A FOON contains symbolic concepts useful to a robot's understanding of tasks and its environment for object-level planning. Prior to this work, little has been done to show how plans acquired from FOON can be executed by a robot, as the concepts in a FOON are too abstract for execution. We thereby introduce the idea of exploiting object-level knowledge as a FOON for task planning and execution. Our approach automatically transforms FOON into PDDL and leverages off-the-shelf planners, action contexts, and robot skills in a hierarchical planning pipeline to generate executable task plans. We demonstrate our entire approach on long-horizon tasks in CoppeliaSim and show how learned action contexts can be extended to never-before-seen scenarios.

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