Policy Learning for Social Robot-Led Physiotherapy

Fuente: arXiv
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Autores principales: Bettosi, Carl, Ballie, Lynne, Shenkin, Susan, Romeo, Marta
Formato: Preprint
Publicado: 2025
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author Bettosi, Carl
Ballie, Lynne
Shenkin, Susan
Romeo, Marta
author_facet Bettosi, Carl
Ballie, Lynne
Shenkin, Susan
Romeo, Marta
contents Social robots offer a promising solution for autonomously guiding patients through physiotherapy exercise sessions, but effective deployment requires advanced decision-making to adapt to patient needs. A key challenge is the scarcity of patient behavior data for developing robust policies. To address this, we engaged 33 expert healthcare practitioners as patient proxies, using their interactions with our robot to inform a patient behavior model capable of generating exercise performance metrics and subjective scores on perceived exertion. We trained a reinforcement learning-based policy in simulation, demonstrating that it can adapt exercise instructions to individual exertion tolerances and fluctuating performance, while also being applicable to patients at different recovery stages with varying exercise plans.
format Preprint
id arxiv_https___arxiv_org_abs_2509_11297
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Policy Learning for Social Robot-Led Physiotherapy
Bettosi, Carl
Ballie, Lynne
Shenkin, Susan
Romeo, Marta
Robotics
Artificial Intelligence
Social robots offer a promising solution for autonomously guiding patients through physiotherapy exercise sessions, but effective deployment requires advanced decision-making to adapt to patient needs. A key challenge is the scarcity of patient behavior data for developing robust policies. To address this, we engaged 33 expert healthcare practitioners as patient proxies, using their interactions with our robot to inform a patient behavior model capable of generating exercise performance metrics and subjective scores on perceived exertion. We trained a reinforcement learning-based policy in simulation, demonstrating that it can adapt exercise instructions to individual exertion tolerances and fluctuating performance, while also being applicable to patients at different recovery stages with varying exercise plans.
title Policy Learning for Social Robot-Led Physiotherapy
topic Robotics
Artificial Intelligence
url https://arxiv.org/abs/2509.11297