Closed-Loop Long-Horizon Robotic Planning via Equilibrium Sequence Modeling

• URL: http://arxiv.org/abs/2410.01440v4
• Date: Sat, 16 Nov 2024 13:58:45 GMT
• Title: Closed-Loop Long-Horizon Robotic Planning via Equilibrium Sequence Modeling
• Authors: Jinghan Li, Zhicheng Sun, Fei Li, Cao Sheng, Jiazhong Yu, Yadong Mu,
• Abstract summary: We advocate a self-refining scheme that iteratively refines a draft plan until an equilibrium is reached. A nested equilibrium sequence modeling procedure is devised for efficient closed-loop planning. Our method is evaluated on the VirtualHome-Env benchmark, showing advanced performance with better scaling for inference.
• Score: 23.62433580021779
• License:
• Abstract: In the endeavor to make autonomous robots take actions, task planning is a major challenge that requires translating high-level task descriptions into long-horizon action sequences. Despite recent advances in language model agents, they remain prone to planning errors and limited in their ability to plan ahead. To address these limitations in robotic planning, we advocate a self-refining scheme that iteratively refines a draft plan until an equilibrium is reached. Remarkably, this process can be optimized end-to-end from an analytical perspective without the need to curate additional verifiers or reward models, allowing us to train self-refining planners in a simple supervised learning fashion. Meanwhile, a nested equilibrium sequence modeling procedure is devised for efficient closed-loop planning that incorporates useful feedback from the environment (or an internal world model). Our method is evaluated on the VirtualHome-Env benchmark, showing advanced performance with better scaling for inference computation. Code is available at https://github.com/Singularity0104/equilibrium-planner.

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