Computationally efficient modeling of proprioceptive signals in the upper limb for prostheses: a simulation study
Computationally efficient modeling of proprioceptive signals in the upper limb for prostheses: a simulation study
复制标题
假肢上肢本体感觉信号的计算有效建模:模拟研究
DOI:
--
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发表时间:
2014
影响因子:
4.3
通讯作者:
T. Constandinou
中科院分区:
文献类型:
--
作者:
I. Williams;T. Constandinou
Accurate models of proprioceptive neural patterns could 1 day play an important role in the creation of an intuitive proprioceptive neural prosthesis for amputees. This paper looks at combining efficient implementations of biomechanical and proprioceptor models in order to generate signals that mimic human muscular proprioceptive patterns for future experimental work in prosthesis feedback. A neuro-musculoskeletal model of the upper limb with 7 degrees of freedom and 17 muscles is presented and generates real time estimates of muscle spindle and Golgi Tendon Organ neural firing patterns. Unlike previous neuro-musculoskeletal models, muscle activation and excitation levels are unknowns in this application and an inverse dynamics tool (static optimization) is integrated to estimate these variables. A proprioceptive prosthesis will need to be portable and this is incompatible with the computationally demanding nature of standard biomechanical and proprioceptor modeling. This paper uses and proposes a number of approximations and optimizations to make real time operation on portable hardware feasible. Finally technical obstacles to mimicking natural feedback for an intuitive proprioceptive prosthesis, as well as issues and limitations with existing models, are identified and discussed.
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DOI:
10.1115/1.1531112
发表时间:
2003-02-01
影响因子:
1.7
作者:
Thelen, DG
通讯作者:
Thelen, DG
影响因子:
--
作者:
F. Zajac
通讯作者:
F. Zajac
影响因子:
5.5
作者:
BROOKS, SV;FAULKNER, JA
通讯作者:
FAULKNER, JA
DOI:
10.1016/j.piutam.2011.04.027
发表时间:
2011-01-01
期刊:
Procedia IUTAM
影响因子:
--
作者:
van den Bogert, Antonie J;Blana, Dimitra;Heinrich, Dieter
通讯作者:
Heinrich, Dieter