Article (Scientific journals)
Interpretable Robot Control via Structured Behavior Trees and Large Language Models
CHEKAM, Ingrid Maéva; Pastor-Martinez, Ines; TOURANI, Ali et al.
2025In IEEE Access, 13, p. 200905-200916
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Keywords :
Large Language Models; Behavior Tree; Human-Robot Interaction; Robotics
Abstract :
[en] As intelligent robots become more integrated into human environments, there is a growing need for intuitive and reliable Human-Robot Interaction (HRI) interfaces that are adaptable and more natural to interact with. Traditional robot control methods often require users to adapt to interfaces or memorize predefined commands, limiting usability in dynamic, unstructured environments. This paper presents a novel framework that bridges natural language understanding and robotic execution by combining Large Language Models (LLMs) with Behavior Trees. This integration enables robots to interpret natural language instructions given by users and translate them into executable actions by activating domain-specific plugins. The system supports scalable and modular integration, with a primary focus on perception-based functionalities, such as person tracking and hand gesture recognition. To evaluate the system, a series of real-world experiments was conducted across diverse environments. Experimental results demonstrate that the proposed approach is practical in real-world scenarios, with an average cognition-to-execution accuracy of approximately 94%, making a significant contribution to HRI systems and robots.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > ARG - Automation & Robotics
Disciplines :
Computer science
Author, co-author :
CHEKAM, Ingrid Maéva ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > Automation
Pastor-Martinez, Ines;  Interdisciplinary Centre for Security, Reliability, and Trust (SnT), Automation and Robotics Research Group (ARG), University of Luxembourg, Luxembourg
TOURANI, Ali  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > Automation
MILLÁN ROMERA, José Andrés  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > Automation
RIBEIRO, Laura  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > Automation
BASTOS SOARES, Pedro Miguel  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust > Automation > Team Jose Luis SANCHEZ LOPEZ
VOOS, Holger  ;  University of Luxembourg
SANCHEZ LOPEZ, Jose Luis  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > Automation
External co-authors :
no
Language :
English
Title :
Interpretable Robot Control via Structured Behavior Trees and Large Language Models
Publication date :
November 2025
Journal title :
IEEE Access
ISSN :
2169-3536
Publisher :
Institute of Electrical and Electronics Engineers (IEEE)
Volume :
13
Pages :
200905-200916
Peer reviewed :
Peer Reviewed verified by ORBi
Development Goals :
9. Industry, innovation and infrastructure
FnR Project :
FNR17387634 - DEUS - Deep Understanding Of The Situation For Robots, 2022 (01/09/2023-31/08/2026) - Jose-luis Sanchez-lopez
FNR17097684 - RoboSAUR - Robotic Situational Awareness By Understanding And Reasoning, 2022 (15/09/2022-14/09/2026) - José Andrés Millán Romera
Funders :
Fonds National de la Recherche Luxembourg
Institute of Advanced Studies (IAS), University of Luxembourg
Funding text :
This research was funded, in part, by the Luxembourg National Research Fund (FNR), DEUS Project (Ref. C22/IS/17387634/DEUS), RoboSAUR Project (Ref. 17097684/RoboSAUR), and MR-Cobot Project (Ref. 18883697/MR-Cobot). It was also partially funded by the Institute of Advanced Studies (IAS) of the University of Luxembourg through an “Audacity” grant (project TRANSCEND - 2021). For the purpose of open access, and in fulfillment of the obligations arising from the grant agreement, the author has applied a Creative Commons Attribution 4.0 International (CC BY 4.0) license to any Author Accepted Manuscript version arising from this submission.
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