Forward Dynamic Optimization of Human Gait Simulations: A Global Parameterization Approach

Author:

Sharif Shourijeh Mohammad1,McPhee John1

Affiliation:

1. University of Waterloo, Waterloo, Ontario N2L3G1, Canada e-mail:

Abstract

This study presents a 2D gait model that uses global parameterization within an optimal control approach and a hyper-volumetric foot contact model. The model is simulated for an entire gait stride, i.e., two full steps. Fourier series are utilized to represent muscle forces to provide a periodic gait with bilateral symmetry. The objectives of this study were to develop a predictive gait simulation and to validate the predictions. The comparison of simulation results of optimal muscle activations, joint angles, and ground reaction forces against experimental data showed a reasonable agreement.

Publisher

ASME International

Subject

Applied Mathematics,Mechanical Engineering,Control and Systems Engineering,Applied Mathematics,Mechanical Engineering,Control and Systems Engineering

Reference48 articles.

1. Stabilization of a Dynamic Walking Gait Simulation;ASME J. Comput. Nonlinear Dyn.,2007

2. A Multisegment Computer Simulation of Normal Human Gait;IEEE Trans. Rehabil. Eng.,1997

3. Multi-Step Forward Dynamic Gait Simulation,2009

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