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A Bayesian framework for learning proactive robot behaviour in assistive tasks
DOI:10.1007/s11257-024-09421-1.png)
摘要
En 中文
Socially assistive robots represent a promising tool in assistive contexts for improving people's quality of life and well-being through social, emotional, cognitive, and physical support. However, the effectiveness of interactions heavily relies on the robots' ability to adapt to the needs of the assisted individuals and to offer support proactively, before it is explicitly requested. Previous work has primarily focused on defining the actions the robot should perform, rather than considering when to act and how confident it should be in a given situation. To address this gap, this paper introduces a new data-driven framework that involves a learning pipeline, consisting of two phases, with the ultimate goal of training an algorithm based on Influence Diagrams. The proposed assistance scenario involves a sequential memory game, where the robot autonomously learns what assistance to provide when to intervene, and with what confidence to take control. The results from a user study showed that the proactive behaviour of the robot had a positive impact on the users' game performance. Users obtained higher scores, made fewer mistakes, and requested less assistance from the robot. The study also highlighted the robot's ability to provide assistance tailored to users' specific needs and anticipate their requests.
Keyword:
Assistive robotics
Proactive behaviour
Influence Diagrams
期刊
U
IF:
3.5
论文数:
535
被引数:
1.7K
机构
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