Name
Title | ||
|---|---|---|
An approach for developing an experimentally based model for simulating flight-phase dynamics |
Abstract | ||
|---|---|---|
. This paper presents an approach for developing an experimentally validated dynamic multisegment model to simulate human flight-phase
dynamics and multijoint control. Modeling and experimental techniques were integrated to systematically examine the contribution
of multiple error sources to the accuracy of the model and to determine the complexity of a model that adequately emulates
the dynamic behavior at the total-body and multijoint levels during flight. The accuracy of the model and of the experimental
data was assessed using an inverse dynamics simulation of flight-phase motion for two representative cases: (i) a physical
model released from a bar and (ii) a gymnast performing a layout dismount from a bar. Multijoint models with varying numbers
of segments were assessed in order to determine the complexity of the model that adequately simulates the flight-phase task.
A five-segment model was found to adequately simulate the layout dismount performed by the gymnast. The error introduced during
modeling and digitizing contributed to an apparent violation of the conservation law manifested as large external forces acting
on the nonactuated joints. These results demonstrate the need to reduce sources of error prior to testing hypotheses regarding
feedforward and feedback components of the multijoint control system. The proposed approach for quantifying sources of error
provides a crucial step that is required in the development of experimentally based dynamic models designed to examine and
test hypotheses regarding multijoint control logic. |
Year | DOI | Venue |
|---|---|---|
2002 | 10.1007/s00422-002-0339-9 | Biological Cybernetics |
Keywords | Field | DocType |
Control System,Dynamic Behavior,Dynamic Simulation,Experimental Technique,External Force | Phase dynamics,Experimental data,Control theory,Simulation,Dynamic models,Control logic,Control system,Inverse dynamics,Mathematics,Dynamic simulation,Feed forward | Journal |
Volume | Issue | ISSN |
87 | 4 | 0340-1200 |
Citations | PageRank | References |
2 | 0.59 | 5 |
Authors | ||
3 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Philip S. Requejo | 1 | 6 | 1.84 |
| Jill L. Mcnitt-gray | 2 | 4 | 1.39 |
| Henryk Flashner | 3 | 22 | 3.56 |