30 March 2006 A magnetorheological fluid based orthopedic active knee brace
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Abstract
The disadvantage of current knee braces ranges from high cost for customization to a loss in physical mobility and limited rehabilitative value. One approach to solving this problem is to use a Magnetorheological (MR) device to make the knee brace have a controllable resistance. Our design solution is to replace the manufacturer's joint with an rotary MR fluid based shear damper. The device is designed based on a maximum yield stress, a corresponding magnetic field, a torque and the MR fluid viscosity. The analytical and experimental results show the advantages and the feasibility of using the proposed MR based controllable knee braces.
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Jamaal L. Zite, Farzad Ahmadkhanlou, Vijay A. Neelakantan, Gregory N. Washington, "A magnetorheological fluid based orthopedic active knee brace", Proc. SPIE 6171, Smart Structures and Materials 2006: Industrial and Commercial Applications of Smart Structures Technologies, 61710H (30 March 2006); doi: 10.1117/12.658693; https://doi.org/10.1117/12.658693
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