FES-supported standing up by independent control of three global variables - a modelling study

Peter H. Veltink, Olav Boiten, Ron Jacobs, Theo J.A. de Vries, Gert Baardman

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    Abstract

    According to the work of Jacobs [1], we propose to control standing-up by applying independent controllers of three global variables (length l and orientation ϕ of the vector between ankle and body center of mass (CoM) and the orientation θ of the trunk). Furthermore, we propose to control l by modulating the activation of mono-articular muscles and to control ϕ and θ by modulating the activation of biarticular muscles (see also [1]). This division of tasks between mono-and biarticular muscles was found in postural control in cats [2]. Our simulations indicate that effective and well co-ordinated standing up may be achieved using this concept, allowing for a range of initial postures and arm support forces.
    Original languageEnglish
    Title of host publicationProceedings of the Second Annual Conference of the International Functional Electrical Stimulation Society (IFESS '97)
    EditorsDejan Popović
    Place of PublicationBurnaby, B.C.
    PublisherIFESS
    Pages95-96
    ISBN (Print)0-86491-173-4
    Publication statusPublished - 17 Aug 1997
    Event2nd Annual Conference of the International Functional Electrical Stimulation Society, IFESS 1997 - Burnaby, Canada
    Duration: 16 Aug 199721 Aug 1997
    Conference number: 2

    Conference

    Conference2nd Annual Conference of the International Functional Electrical Stimulation Society, IFESS 1997
    Abbreviated titleIFESS
    CountryCanada
    CityBurnaby
    Period16/08/9721/08/97

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