StretchBot: A Neuro-Symbolic Framework for Adaptive Guidance with Assistive Robots

Fuente: arXiv
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Autores principales: Vogelgesang, Luca, Soltani, Ahmed Mehdi, Khojasteh, Mohammadhossein, Zu, Xinrui, De Giorgis, Stefano, Croitoru, Madalina, Ilievski, Filip
Formato: Preprint
Publicado: 2026
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author Vogelgesang, Luca
Soltani, Ahmed Mehdi
Khojasteh, Mohammadhossein
Zu, Xinrui
De Giorgis, Stefano
Croitoru, Madalina
Ilievski, Filip
author_facet Vogelgesang, Luca
Soltani, Ahmed Mehdi
Khojasteh, Mohammadhossein
Zu, Xinrui
De Giorgis, Stefano
Croitoru, Madalina
Ilievski, Filip
contents Assistive robots have growing potential to support physical wellbeing in home and healthcare settings, for example, by guiding users through stretching or rehabilitation routines. However, existing systems remain largely scripted, which limits their ability to adapt to user state, environmental context, and interaction dynamics. In this work, we present StretchBot, a hybrid neuro-symbolic robotic coach for adaptive assistive guidance. The system combines multimodal perception with knowledge-graph-grounded large language model reasoning to support context-aware adjustments during short stretching sessions while maintaining a structured routine. To complement the system description, we report an exploratory pilot comparison between scripted and adaptive guidance with three participants. The pilot findings suggest that the adaptive condition improved perceived adaptability and contextual relevance, while scripted guidance remained competitive in smoothness and predictability. These results provide preliminary evidence that structured actionable knowledge can help ground language-model-based adaptation in embodied assistive interaction, while also highlighting the need for larger, longitudinal studies to evaluate robustness, generalizability, and long-term user experience.
format Preprint
id arxiv_https___arxiv_org_abs_2604_00628
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle StretchBot: A Neuro-Symbolic Framework for Adaptive Guidance with Assistive Robots
Vogelgesang, Luca
Soltani, Ahmed Mehdi
Khojasteh, Mohammadhossein
Zu, Xinrui
De Giorgis, Stefano
Croitoru, Madalina
Ilievski, Filip
Robotics
Human-Computer Interaction
Assistive robots have growing potential to support physical wellbeing in home and healthcare settings, for example, by guiding users through stretching or rehabilitation routines. However, existing systems remain largely scripted, which limits their ability to adapt to user state, environmental context, and interaction dynamics. In this work, we present StretchBot, a hybrid neuro-symbolic robotic coach for adaptive assistive guidance. The system combines multimodal perception with knowledge-graph-grounded large language model reasoning to support context-aware adjustments during short stretching sessions while maintaining a structured routine. To complement the system description, we report an exploratory pilot comparison between scripted and adaptive guidance with three participants. The pilot findings suggest that the adaptive condition improved perceived adaptability and contextual relevance, while scripted guidance remained competitive in smoothness and predictability. These results provide preliminary evidence that structured actionable knowledge can help ground language-model-based adaptation in embodied assistive interaction, while also highlighting the need for larger, longitudinal studies to evaluate robustness, generalizability, and long-term user experience.
title StretchBot: A Neuro-Symbolic Framework for Adaptive Guidance with Assistive Robots
topic Robotics
Human-Computer Interaction
url https://arxiv.org/abs/2604.00628