Wheelchair Guidance Strategies Using EOG

Authors:
R. Barea;L. Boquete;M. Mazo;E. Ló/pez
Affiliations:
Electronics Department, University of Alcalá/, Alcalá/ de Henares, Madrid, Spain/ e-mail: barea@depeca.uah.es;Electronics Department, University of Alcalá/, Alcalá/ de Henares, Madrid, Spain;Electronics Department, University of Alcalá/, Alcalá/ de Henares, Madrid, Spain;Electronics Department, University of Alcalá/, Alcalá/ de Henares, Madrid, Spain
Venue:
Journal of Intelligent and Robotic Systems
Year:
2002

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Abstract

This paper describes an eye-control method, based on electrooculography (EOG), for guiding and controlling a wheelchair for disabled people; the control is actually effected by eye movements within the socket. An eye model based on an electrooculographic signal is proposed and its validity is studied. Different techniques and guidance strategies are then shown with comments on the advantages and disadvantages of each one. The system consists of a standard electric wheelchair with an on-board computer, sensors and a graphic user interface run by the computer. This control technique could be useful in multiple applications, such as mobility and communication aid for handicapped persons.