Enhanced therapeutic interactivity using social robot Zeno

Authors:
Isura Ranatunga;Jartuwat Rajruangrabin;Dan O. Popa;Fillia Makedon
Affiliations:
University of Texas at Arlington Arlington, TX;University of Texas at Arlington Arlington, TX;University of Texas at Arlington Arlington, TX;University of Texas at Arlington Arlington, TX
Venue:
Proceedings of the 4th International Conference on PErvasive Technologies Related to Assistive Environments
Year:
2011

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Abstract

Social robotics has emerged as a new research area in recent years. One of the reasons behind this emergence is the rapid pace of improvements in sensor, actuator and processing capabilities in modern hardware enabling robots to interact with humans more effectively than ever before. The motivation for the work presented in this paper is to use advanced human-robot head-eye interaction algorithms in order to create a robotic framework that assists physical therapists treating sensor-motor impairments, such as Autism and Cerebral Palsy by using robotic systems. The robotic platform used in our work is the social robot Zeno, which has a fantastically friendly appearance and bridges the previously reported uncanny valley. In this paper we report on a new coordination algorithm based on reinforcement learning implemented on Zeno for achieving human like head-eye coordination to visually engage patients with cognitive impairments. The experimental results show that the various methods implemented enables social robot Zeno achieve natural head-eye coordination with significant improvement in accuracy without the need of extensive kinematic analysis of the system.