A new vectorial bondgraph approach for modeling and simulation of human locomotion is introduced. The vectorial bondgraph is applied to an eight-segment gait model to derive the equations of motion for studying ground reaction forces (GRFs) and centers of pressure (COPs) in single and double support phases of ground and treadmill walking. A phase detection technique and accompanying transition equation is proposed with which the GRFs and COPs may be calculated for the transitions from double-to-single and single-to-double support phases. Good agreement is found between model predictions and experimental data obtained from force plate measurements. The bondgraph modeling approach is shown to be both informative and adaptable, in the sense that the model resembles the human body structure, and that modeled body segments can be easily added or removed.
Experimental/Analytical Analysis of Human Locomotion Using Bondgraphs
Contributed by the Bioengineering Division for publication in the JOURNAL OF BIOMECHANICAL ENGINEERING. Manuscript received by the Bioengineering Division February 15, 2001; revision received February 26, 2003. Associate Editor: M. G. Pandy.
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Pop, C., Khajepour, A., Huissoon, J. P., and Patla, A. E. (August 1, 2003). "Experimental/Analytical Analysis of Human Locomotion Using Bondgraphs ." ASME. J Biomech Eng. August 2003; 125(4): 490–498. https://doi.org/10.1115/1.1590356
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