[Submitted on 17 Jul 2026]
Title:PACE: Persona Adaptation through Conversational Elicitation in Human-Robot Interaction
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Abstract:Equipping humanoid robots with coherent and adaptable personas is crucial for fostering natural, engaging, and trustworthy human-robot interaction (HRI). However, existing approaches often rely on static, hard-coded identities that lack the flexibility to adapt to individual user contexts. In this paper, we present PACE (Persona Adaptation through Conversational Elicitation), a novel framework for the interactive generation and deployment of structured personas on the Ameca humanoid robot. Our system introduces an Interactive Persona Elicitation Pipeline, enabling the robot to dynamically synthesize a tailored, psychologically grounded identity through user Q&A. This elicitation process feeds into a persona prompt compilation phase, generating a structured persona prompt built upon multi-perspective dimensions. We detail the Embodied System Integration required to translate this structured specification into expressive, multimodal humanoid behaviors. Through a comprehensive empirical HRI evaluation, we assess the impact of dynamically generated personas on user trust, perceived anthropomorphism, persona consistency, personal relevance, and interaction quality compared to a generic baseline. These contributions establish a scalable pathway for deploying personalized, interactive, and reliable identities in embodied humanoid assistants. Video demo is available at: this https URL
Comments: 8 pages, 5 figures
Subjects:
Robotics (cs.RO); Human-Computer Interaction (cs.HC)
Cite as: arXiv:2607.15579 [cs.RO]
(or arXiv:2607.15579v1 [cs.RO] for this version)
https://doi.org/10.48550/arXiv.2607.15579
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Peizhen Li Dr [view email] [v1] Fri, 17 Jul 2026 02:45:52 UTC (1,520 KB)
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