PACE: Persona Adaptation through Conversational Elicitation in Human-Robot Interaction

• URL: http://arxiv.org/abs/2607.15579v2
• Date: Tue, 21 Jul 2026 07:43:08 GMT
• Title: PACE: Persona Adaptation through Conversational Elicitation in Human-Robot Interaction
• Abstract summary: PACE is a novel framework for the interactive generation and deployment of structured personas on the Ameca humanoid robot.<n>Our system introduces an Interactive Persona Elicitation Pipeline, enabling the robot to synthesize a tailored, psychologically grounded identity.<n>We detail the Embodied System Integration required to translate this structured specification into expressive, multimodal humanoid behaviors.
• Score: 37.56295191425851
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• 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: https://lipzh5.github.io/PACE/

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