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Designing and Assessing Expressive Open-Source Faces for the Baxter Robot

  • Naomi T. Fitter
  • Katherine J. Kuchenbecker
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9979)

Abstract

Facial expressions of both humans and robots are known to communicate important social cues to human observers. Nevertheless, faces for use on the flat panel display screens of physical multi-degree-of-freedom robots have not been exhaustively studied. While surveying owners of the Rethink Robotics Baxter Research Robot to establish their interest, we designed a set of 49 Baxter faces, including seven colors (red, orange, yellow, green, blue, purple, and gray) and seven expressions (afraid, angry, disgusted, happy, neutral, sad, and surprised). Online study participants (N = 568) drawn equally from two countries (US and India) then rated photographs of a physical Baxter robot displaying randomized subsets of the faces. Face color, facial expression, and onlooker country of origin all significantly affected the perceived pleasantness and energeticness of the robot, as well as the onlooker’s feelings of safety and pleasedness, with facial expression causing the largest effects. The designed faces are available to researchers online.

Keywords

Social robotics Expressive robot faces Baxter Research Robot 

Notes

Acknowledgments

The first author was supported by a National Science Foundation (NSF) Graduate Research Fellowship under Grant No. DGE-0822 and an NSF Integrative Graduate Education and Research Traineeship under Grant No. 0966142. We thank Chris Callison-Burch and Eileen Huang for their advice.

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  1. 1.Haptics Group, GRASP Laboratory, Mechanical Engineering and Applied MechanicsUniversity of PennsylvaniaPhiladelphiaUSA

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