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Potentiometers at joints

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  • Potentiometers at joints

    Re-Directing To: ronrumm@ISLANDNET.COM
    -------------------------------------------
    Re-Directing To: BIOMCH-L@NIC
    ---------------------------------------------------------------
    Reply-To: ron rumm
    To: Multiple recipients of list BIOMCH-L
    ------------------------------------------
    We would like to moniter the mobility and movement of the lower arm - it
    would seem quite straight forward to do this using an adjustable - jointed -
    pivoted frame with a potentiometer at the joint. after calibration the the
    angular displacement of the joint could be easily read - i can't imagine
    that others havn't used this approach, if you aware of a design for the
    frame and are able to provide a reference or any other information it would
    be most appreciated.

    thank you
    ron rumm / perigee
    ---------------------------------------------------------------

    Hello Larry,
    ------------
    The goniometers that we use are (were) commercialy available product -
    Triax, USA. I myself never worked on upper extremity so I would not have
    any suggestions for Ron. As you know we now use an optical tracking
    system, which would be quite appropriate for Ron's application. It is,
    however, quite complicated and extremely expensive. I forwarded your 3
    e-mails to my associate Andreja Umek-Venturini (andreja.umek@ijs.si),
    who is working her Ph.D. on upper extremity mobility problems. I hope
    she will respond to Ron.

    Regards,

    Uros
    Jozef Stefan Institute,
    Biocybernetics Lab,
    in beautiful Ljubljana, Slovenia.
    http://www.ijs.si/e1/bio.html
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