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Invited Paper: Multimodal Interface for an Intelligent Wheelchair

  • Luís Paulo ReisEmail author
  • Brígida Mónica Faria
  • Sérgio Vasconcelos
  • Nuno Lau
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 325)

Abstract

Since the demographics of population, with respect to age, are continuously changing, politicians and scientists start to pay more attention to the needs of senior individuals. Additionally, the well-being and needs of disabled individuals are also becoming highly valued in the political and entrepreneurial society. Intelligent wheelchairs are adapted electric wheelchairs with environmental perception, semi-autonomous behaviour and flexible human-machine-interaction. This paper presents the specification and development of a user-friendly multimodal interface, as a component of the IntellWheels Platform project. The developed prototype combines several input modules, allowing the control of the wheelchair through flexible user defined input sequences of distinct types (speech, facial expressions, head movements and joystick). To validate the effectiveness of the prototype, two experiments were performed with a number of individuals who tested the system firstly by driving a simulated wheelchair in a virtual environment. The second experiment was performed using the real IntellWheels wheelchair prototype. The results achieved proved that the multimodal interface may be successfully used by people, due to the interaction flexibility it provides.

Keywords

Multimodal interface Intelligent robotics Intelligent wheelchair IntellWheels 

Notes

Acknowledgments

The authors would like to acknowledge to FCT—Portuguese Science and Technology Foundation for the INTELLWHEELS project funding (RIPD/ADA/109636/2009), for the Ph.D. Scholarship FCT/SFRH/BD/44541/2008, LIACC—Laboratório de Inteligência Artificial e de Ciência de Computadores da Universidade do Porto, DETI/UA—Dep. Electrónica, Telecomunicações e Informática, IEETA—Instituto de Engenharia Electrónica e Telemática de Aveiro and ESTSP/IPP—Escola Superior de Tecnologia da Saúde Porto—IPP.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Luís Paulo Reis
    • 1
    • 2
    Email author
  • Brígida Mónica Faria
    • 2
    • 3
  • Sérgio Vasconcelos
    • 2
    • 4
  • Nuno Lau
    • 5
    • 6
  1. 1.Departamento de Sistemas de InformaçãoEscola de Engenharia da Universidade do Minho (DSI/EEUM)GuimarãesPortugal
  2. 2.Laboratório de Inteligência Artificial e Ciência de Computadores (LIACC)PortoPortugal
  3. 3.Escola Superior Tecnologia de Saúde do PortoInstituto Politécnico do Porto (ESTSP/IPP)PortoPortugal
  4. 4.Departamento de Engenharia InformáticaFaculdade de Engenharia da Universidade do Porto (DEI/FEUP)PortoPortugal
  5. 5.Departamento de Engenharia Eletrónica Telecomunicações e InformáticaUniversidade de Aveiro (DETI/UA)AveiroPortugal
  6. 6.Instituto de Engenharia Eletrónica e Telemática de Aveiro (IEETA)AveiroPortugal

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