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Article
Evaluation of Different Optimal Control Problem Formulations for Solving the Muscle Redundancy Problem
XV International Symposium on Computer Simulation in Biomechanics
  • Friedl De Groote, University of Leuven
  • Allison Kinney, University of Dayton
  • Anil Rao, University of Florida
  • Benjamin J. Fregly, University of Florida
Document Type
Conference Paper
Publication Date
7-1-2015
Abstract
This study evaluates several possible optimal control problem formulations for solving the muscle redundancy problem with the goal of identifying the most efficient and robust formulation. One novel formulation involves the introduction of additional controls that equal the time derivative of the states, resulting in very simple dynamic equations. The nonlinear equations describing muscle dynamics are then imposed as algebraic constraints in their implicit form, simplifying their evaluation. By comparing different problem formulations for computing muscle controls that can reproduce inverse dynamic joint torques during gait, we demonstrate the efficiency and robustness of the proposed novel formulation.
Inclusive pages
45-46
Document Version
Published Version
Comments

The document is made available for download in compliance with the publisher's policy on self-archiving. Permission documentation is on file.

Publisher
Technical Group on Computer Simulation
Place of Publication
Edinburgh, UK
Peer Reviewed
Yes
Citation Information
Friedl De Groote, Allison Kinney, Anil Rao and Benjamin J. Fregly. "Evaluation of Different Optimal Control Problem Formulations for Solving the Muscle Redundancy Problem" XV International Symposium on Computer Simulation in Biomechanics (2015)
Available at: http://works.bepress.com/allison_kinney/26/