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We introduce a communication medium that encourages users to fall in love with their counterparts. Hugvie, the huggable tele-presence medium, enables users to feel like hugging their counterparts while chatting. In this paper, we report that when a participant talks to his communication partner during their first encounter while hugging Hugvie, he mistakenly feels as if they are establishing a good relationship and that he is being loved rather than just being liked.

We developed a method to automatically generate humanlike trunk motions based on speech (i.e., the neck and waist motions involved in speech) for a conversational android from its speech in real time. To generate humanlike movements, the android's mechanical limitation (i.e., limited number of joints) needs to be compensated for. By enforcing the synchronization of speech and motion in the android, the method enables us to compensate for its mechanical limitations. Moreover, motion can be modulated to express emotions by tuning the parameters in the dynamical model. This method is based on a spring-damper dynamical model driven by voice features to simulate the human trunk movements involved in speech. In contrast to the existing methods based on machine learning, our system can easily modulate the motions generated due to speech patterns because the model's parameters correspond to muscle stiffness. The experimental results show that the android motions generated by our model can be perceived as more natural and thus motivate users to talk longer with it compared to a system that simply copies human motions. In addition, our model generates emotional speech motions by tuning its parameters.

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