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Parametric Modeling of Kinetic-Kinematic Polycentric Mechanical Knee

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VII Latin American Congress on Biomedical Engineering CLAIB 2016, Bucaramanga, Santander, Colombia, October 26th -28th, 2016

Part of the book series: IFMBE Proceedings ((IFMBE,volume 60))

Abstract

The transfemoral amputation involves the loss of the knee joint, which is recognized as a common and complex case. The knee is replaced by a polycentric mechanism, which is exposed to high levels of structural stress. Therefore, mathematical models of the mechanics knees are commonly used to kinetic analysis and simulation and determine possible failures. This paper describes the procedure for determining a kinematic model of a four-bars polycentric knee using a geometric analysis and the Grashof Law for a double rocker. The kinetic model was found using parametric, linear and nonlinear identification techniques, for this were used knee force and angle data supplied by the free database Orthoload. The model couples the kinetics and kinematics ARX structure, thesecan represent bending angles 110° and the total force exerted on the instantaneous center of rotation of the knee.

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Author information

Authors and Affiliations

  1. Bioinstrumentation and Clinical Engineering Research Group - GIBIC, Bioengineering Department, Engineering Faculty, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia

    A. M. Cárdenas, J. Uribe & A. M. Hernández

Authors
  1. A. M. Cárdenas
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  2. J. Uribe
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  3. A. M. Hernández
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Corresponding author

Correspondence to A. M. Cárdenas .

Editor information

Editors and Affiliations

  1. Asociación Colombiana de Bioingeniería y Electrónica Médica - ABIOIN, Bucamaranga, Colombia

    Isnardo Torres

  2. Universidad Pontificia Bolivariana - UPB, Centro de Bioingeniería, Medellín, Colombia

    John Bustamante

  3. Universidad Industrial de Santander, Escuela de Ing. Eléctrica, Electrónica, Bucaramanga, Colombia

    Daniel A. Sierra

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© 2017 Springer Nature Singapore Pte Ltd.

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Cárdenas, A.M., Uribe, J., Hernández, A.M. (2017). Parametric Modeling of Kinetic-Kinematic Polycentric Mechanical Knee. In: Torres, I., Bustamante, J., Sierra, D. (eds) VII Latin American Congress on Biomedical Engineering CLAIB 2016, Bucaramanga, Santander, Colombia, October 26th -28th, 2016. IFMBE Proceedings, vol 60. Springer, Singapore. https://doi.org/10.1007/978-981-10-4086-3_150

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  • DOI: https://doi.org/10.1007/978-981-10-4086-3_150

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-4085-6

  • Online ISBN: 978-981-10-4086-3

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