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2014 | OriginalPaper | Buchkapitel

Flexible Bi-modal Control Modes for Hands-Free Operation of a Wheelchair by Head Movements and Facial Expressions

verfasst von : Ericka Janet Rechy-Ramirez, Huosheng Hu

Erschienen in: New Trends in Medical and Service Robots

Verlag: Springer International Publishing

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Abstract

Many kinds of head movements and facial expressions based human machine interfaces (HMIs) have been developed for hands-free control of electric-powered wheelchairs in order to assist disabled and elderly people. Most of these HMIs have a fixed configuration and do not allow users to choose a configuration suitable to their needs. It becomes necessary to provide users with different control modes and flexible configurations. This chapter presents five flexible bi-modal modes for hands-free control of a wheelchair that allow users to choose the most comfortable facial expressions and head movements. An Emotiv sensor is deployed to collect facial expressions and head movements for the bi-modal control modes. Two healthy subjects have participated in experiments, and have chosen their best configurations of the modes for controlling the wheelchair. Experimental results show that bi-modal control modes are flexible and allow users to select their preferred configurations for controlling the wheelchair reliably.

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Vorheriges Kapitel Force Training for Position/Force Control of Massage Robots

Nächstes Kapitel New Results on Classifying EMG Signals for Interfacing Patients and Mechanical Devices

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Titel: Flexible Bi-modal Control Modes for Hands-Free Operation of a Wheelchair by Head Movements and Facial Expressions
verfasst von: Ericka Janet Rechy-Ramirez
Huosheng Hu
Verlag: Springer International Publishing
Buch: New Trends in Medical and Service Robots
Print ISBN: 978-3-319-05430-8

Electronic ISBN: 978-3-319-05431-5

Copyright-Jahr: 2014
DOI: https://doi.org/10.1007/978-3-319-05431-5_8