ConPoSe: LLM-Guided Contact Point Selection for Scalable Cooperative Object Pushing

Fuente: arXiv
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Autori principali: Steinkrüger, Noah, Nilavadi, Nisarga, Burgard, Wolfram, Kaiser, Tanja Katharina
Natura: Preprint
Pubblicazione: 2025
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author Steinkrüger, Noah
Nilavadi, Nisarga
Burgard, Wolfram
Kaiser, Tanja Katharina
author_facet Steinkrüger, Noah
Nilavadi, Nisarga
Burgard, Wolfram
Kaiser, Tanja Katharina
contents Object transportation in cluttered environments is a fundamental task in various domains, including domestic service and warehouse logistics. In cooperative object transport, multiple robots must coordinate to move objects that are too large for a single robot. One transport strategy is pushing, which only requires simple robots. However, careful selection of robot-object contact points is necessary to push the object along a preplanned path. Although this selection can be solved analytically, the solution space grows combinatorially with the number of robots and object size, limiting scalability. Inspired by how humans rely on common-sense reasoning for cooperative transport, we propose combining the reasoning capabilities of Large Language Models with local search to select suitable contact points. Our LLM-guided local search method for contact point selection, ConPoSe, successfully selects contact points for a variety of shapes, including cuboids, cylinders, and T-shapes. We demonstrate that ConPoSe scales better with the number of robots and object size than the analytical approach, and also outperforms pure LLM-based selection.
format Preprint
id arxiv_https___arxiv_org_abs_2510_08705
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle ConPoSe: LLM-Guided Contact Point Selection for Scalable Cooperative Object Pushing
Steinkrüger, Noah
Nilavadi, Nisarga
Burgard, Wolfram
Kaiser, Tanja Katharina
Robotics
Artificial Intelligence
Object transportation in cluttered environments is a fundamental task in various domains, including domestic service and warehouse logistics. In cooperative object transport, multiple robots must coordinate to move objects that are too large for a single robot. One transport strategy is pushing, which only requires simple robots. However, careful selection of robot-object contact points is necessary to push the object along a preplanned path. Although this selection can be solved analytically, the solution space grows combinatorially with the number of robots and object size, limiting scalability. Inspired by how humans rely on common-sense reasoning for cooperative transport, we propose combining the reasoning capabilities of Large Language Models with local search to select suitable contact points. Our LLM-guided local search method for contact point selection, ConPoSe, successfully selects contact points for a variety of shapes, including cuboids, cylinders, and T-shapes. We demonstrate that ConPoSe scales better with the number of robots and object size than the analytical approach, and also outperforms pure LLM-based selection.
title ConPoSe: LLM-Guided Contact Point Selection for Scalable Cooperative Object Pushing
topic Robotics
Artificial Intelligence
url https://arxiv.org/abs/2510.08705