“Hmm, Did You Hear What I Just Said?”: Development of a Re-Engagement System for Socially Interactive Robots
ROBOTICS(2019)
摘要
Maintaining engagement is challenging in human-human interaction. When disengagements happen, people try to adapt their behavior with an expectation that engagement will be regained. In human-robot interaction, although socially interactive robots are engaging, people can easily drop engagement while interacting with robots. This paper proposes a multi-layer re-engagement system that applies different strategies through human-like verbal and non-verbal behaviors to regain user engagement, taking into account the user's attention level and affective states. We conducted a usability test in a robot storytelling scenario to demonstrate technical operation of the system as well as to investigate how people react when interacting with a robot with re-engagement ability. Our usability test results reveal that the system has the potential to maintain a user's engagement. Our selected users gave positive comments, through open-ended questions, to the robot with this ability. They also rated the robot with the re-engagement ability higher on several dimensions, i.e., animacy, likability, and perceived intelligence.
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关键词
socially interactive robots,re-engagement,gaze,user's performance,user's perception,Pepper
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