The optimization-based dynamic prediction of 3D human running motion is studied in this paper. A predictive dynamics method is used to formulate the running problem, and normal running is formulated as a symmetric and cyclic motion. Recursive Lagrangian dynamics with analytical gradients for all the constraints and objective function are incorporated in the optimization process. The dynamic effort is used as the performance measure, and the impulse at the foot strike is also included in the performance measure. The joint angle profiles and joint torque profiles are calculated for the full-body human model, and the ground reaction force (GRF) is determined. Several cause-and-effect cases are studied, and the formulation for upper-body yawing motion is proposed and simulated. Simulation results from this methodology show good correlation with experimental data obtained from human subjects and the existing literature.
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March 2015
Research-Article
Dynamic Optimization of Human Running With Analytical Gradients
Hyun-Joon Chung,
Hyun-Joon Chung
Center for Computer-Aided Design (CCAD),
The University of Iowa
,Iowa City, IA 52242
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Jasbir S. Arora,
Jasbir S. Arora
Center for Computer-Aided Design (CCAD),
The University of Iowa
,Iowa City, IA 52242
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Karim Abdel-Malek,
Karim Abdel-Malek
Center for Computer-Aided Design (CCAD),
The University of Iowa
,Iowa City, IA 52242
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Yujiang Xiang
Yujiang Xiang
1
Assistant Professor
Department of Mechanical Engineering,
e-mail: yujxiang@gmail.com
Department of Mechanical Engineering,
University of Alaska Fairbanks
,Fairbanks, AK, 99775
e-mail: yujxiang@gmail.com
1Corresponding author.
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Hyun-Joon Chung
Center for Computer-Aided Design (CCAD),
The University of Iowa
,Iowa City, IA 52242
Jasbir S. Arora
Center for Computer-Aided Design (CCAD),
The University of Iowa
,Iowa City, IA 52242
Karim Abdel-Malek
Center for Computer-Aided Design (CCAD),
The University of Iowa
,Iowa City, IA 52242
Yujiang Xiang
Assistant Professor
Department of Mechanical Engineering,
e-mail: yujxiang@gmail.com
Department of Mechanical Engineering,
University of Alaska Fairbanks
,Fairbanks, AK, 99775
e-mail: yujxiang@gmail.com
1Corresponding author.
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received September 25, 2013; final manuscript received May 9, 2014; published online January 12, 2015. Assoc. Editor: Jozsef Kovecses.
J. Comput. Nonlinear Dynam. Mar 2015, 10(2): 021006 (18 pages)
Published Online: March 1, 2015
Article history
Received:
September 25, 2013
Revision Received:
May 9, 2014
Online:
January 12, 2015
Citation
Chung, H., Arora, J. S., Abdel-Malek, K., and Xiang, Y. (March 1, 2015). "Dynamic Optimization of Human Running With Analytical Gradients." ASME. J. Comput. Nonlinear Dynam. March 2015; 10(2): 021006. https://doi.org/10.1115/1.4027672
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