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Multimodal Technologies Interact. 2018, 2(1), 2; doi:10.3390/mti2010002

Designing for a Wearable Affective Interface for the NAO Robot: A Study of Emotion Conveyance by Touch

Department of Applied IT, University of Gothenburg, Box 100, SE-405 30 Gothenburg, Sweden
Department of Information Technology, Uppsala University, Box 256, 751 05 Uppsala, Sweden
School of Informatics, University of Skövde, Box 408, 541 28 Skövde, Sweden
Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
The Swedish School of Textiles, University of Borås, S-501 90 Borås, Sweden
Author to whom correspondence should be addressed.
Received: 9 November 2017 / Revised: 5 January 2018 / Accepted: 7 January 2018 / Published: 20 January 2018
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We here present results and analysis from a study of affective tactile communication between human and humanoid robot (the NAO robot). In the present work, participants conveyed eight emotions to the NAO via touch. In this study, we sought to understand the potential for using a wearable affective (tactile) interface, or WAffI. The aims of our study were to address the following: (i) how emotions and affective states can be conveyed (encoded) to such a humanoid robot, (ii) what are the effects of dressing the NAO in the WAffI on emotion conveyance and (iii) what is the potential for decoding emotion and affective states. We found that subjects conveyed touch for longer duration and over more locations on the robot when the NAO was dressed with WAffI than when it was not. Our analysis illuminates ways by which affective valence, and separate emotions, might be decoded by a humanoid robot according to the different features of touch: intensity, duration, location, type. Finally, we discuss the types of sensors and their distribution as they may be embedded within the WAffI and that would likely benefit Human-NAO (and Human-Humanoid) interaction along the affective tactile dimension. View Full-Text
Keywords: affective tactile interaction; emotions; human-robot interaction; touch; emotion classification affective tactile interaction; emotions; human-robot interaction; touch; emotion classification

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lowe, R.; Andreasson, R.; Alenljung, B.; Lund, A.; Billing, E. Designing for a Wearable Affective Interface for the NAO Robot: A Study of Emotion Conveyance by Touch. Multimodal Technologies Interact. 2018, 2, 2.

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