RoboCritics: Enabling Reliable End-to-End LLM Robot Programming through Expert-Informed Critics

Fuente: arXiv
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Hauptverfasser: Kim, Callie Y., White, Nathan Thomas, He, Evan, Sala, Frederic, Mutlu, Bilge
Format: Preprint
Veröffentlicht: 2026
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author Kim, Callie Y.
White, Nathan Thomas
He, Evan
Sala, Frederic
Mutlu, Bilge
author_facet Kim, Callie Y.
White, Nathan Thomas
He, Evan
Sala, Frederic
Mutlu, Bilge
contents End-user robot programming grants users the flexibility to re-task robots in situ, yet it remains challenging for novices due to the need for specialized robotics knowledge. Large Language Models (LLMs) hold the potential to lower the barrier to robot programming by enabling task specification through natural language. However, current LLM-based approaches generate opaque, "black-box" code that is difficult to verify or debug, creating tangible safety and reliability risks in physical systems. We present RoboCritics, an approach that augments LLM-based robot programming with expert-informed motion-level critics. These critics encode robotics expertise to analyze motion-level execution traces for issues such as joint speed violations, collisions, and unsafe end-effector poses. When violations are detected, critics surface transparent feedback and offer one-click fixes that forward structured messages back to the LLM, enabling iterative refinement while keeping users in the loop. We instantiated RoboCritics in a web-based interface connected to a UR3e robot and evaluated it in a between-subjects user study (n=18). Compared to a baseline LLM interface, RoboCritics reduced safety violations, improved execution quality, and shaped how participants verified and refined their programs. Our findings demonstrate that RoboCritics enables more reliable and user-centered end-to-end robot programming with LLMs.
format Preprint
id arxiv_https___arxiv_org_abs_2603_06842
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle RoboCritics: Enabling Reliable End-to-End LLM Robot Programming through Expert-Informed Critics
Kim, Callie Y.
White, Nathan Thomas
He, Evan
Sala, Frederic
Mutlu, Bilge
Robotics
End-user robot programming grants users the flexibility to re-task robots in situ, yet it remains challenging for novices due to the need for specialized robotics knowledge. Large Language Models (LLMs) hold the potential to lower the barrier to robot programming by enabling task specification through natural language. However, current LLM-based approaches generate opaque, "black-box" code that is difficult to verify or debug, creating tangible safety and reliability risks in physical systems. We present RoboCritics, an approach that augments LLM-based robot programming with expert-informed motion-level critics. These critics encode robotics expertise to analyze motion-level execution traces for issues such as joint speed violations, collisions, and unsafe end-effector poses. When violations are detected, critics surface transparent feedback and offer one-click fixes that forward structured messages back to the LLM, enabling iterative refinement while keeping users in the loop. We instantiated RoboCritics in a web-based interface connected to a UR3e robot and evaluated it in a between-subjects user study (n=18). Compared to a baseline LLM interface, RoboCritics reduced safety violations, improved execution quality, and shaped how participants verified and refined their programs. Our findings demonstrate that RoboCritics enables more reliable and user-centered end-to-end robot programming with LLMs.
title RoboCritics: Enabling Reliable End-to-End LLM Robot Programming through Expert-Informed Critics
topic Robotics
url https://arxiv.org/abs/2603.06842