Orochi: Investigating Requirements and Expectations for Multipurpose Daily Used Supernumerary Robotic Limbs

Al-Sada, M., Höglund, T., Khamis, M. , Urbani, J. and Nakajima, T. (2019) Orochi: Investigating Requirements and Expectations for Multipurpose Daily Used Supernumerary Robotic Limbs. In: 10th Augmented Human International Conference (AH2019), Reims, France, 11-12 Mar 2019, p. 37. ISBN 9781450365475 (doi:10.1145/3311823.3311850)

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Abstract

Supernumerary robotic limbs (SRLs) present many opportunities for daily use. However, their obtrusiveness and limitations in interaction genericity hinder their daily use. To address challenges of daily use, we extracted three design considerations from previous literature and embodied them in a wearable we call Orochi. The considerations include the following: 1) multipurpose use, 2) wearability by context, and 3) unobtrusiveness in public. We implemented Orochi as a snake-shaped robot with 25 DoFs and two end effectors, and demonstrated several novel interactions enabled by its limber design. Using Orochi, we conducted hands-on focus groups to explore how multipurpose SRLs are used daily and we conducted a survey to explore how they are perceived when used in public. Participants approved Orochi's design and proposed different use cases and postures in which it could be worn. Orochi's unobtrusive design was generally well received, yet novel interactions raise several challenges for social acceptance. We discuss the significance of our results by highlighting future research opportunities based on the design, implementation, and evaluation of Orochi.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Khamis, Dr Mohamed
Authors: Al-Sada, M., Höglund, T., Khamis, M., Urbani, J., and Nakajima, T.
College/School:College of Science and Engineering > School of Computing Science
Publisher:ACM
ISBN:9781450365475
Copyright Holders:Copyright © 2019 The Authors
First Published:First published in Proceedings of the 10th Augmented Human International Conference 2019: 37
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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