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Modeling of biodynamic responses distributed at the fingers and the palm of the human hand-arm system.

Abstract：

:The objective of this study is to develop analytical models for simulating driving-point biodynamic responses distributed at the fingers and palm of the hand under vibration along the forearm direction (z(h)-axis). Two different clamp-like model structures are formulated to analyze the distributed responses at the fingers-handle and palm-handle interfaces, as opposed to the single driving point invariably considered in the reported models. The parameters of the proposed four- and five degrees-of-freedom models are identified through minimization of an rms error function of the model and measured responses under different hand actions, namely, fingers pull, push only, grip only, and combined push and grip. The results show that the responses predicted from both models agree reasonably well with the measured data in terms of distributed as well total impedance magnitude and phase. The variations in the identified model parameters under different hand actions are further discussed in view of the biological system behavior. The proposed models are considered to serve as useful tools for design and assessment of vibration isolation methods, and for developing a hand-arm simulator for vibration analysis of power tools.

journal_name

J Biomech

journal_title

Journal of biomechanics

authors

Dong RG,Dong JH,Wu JZ,Rakheja S

doi

10.1016/j.jbiomech.2006.10.031

subject

Has Abstract

pub_date

2007-01-01 00:00:00

pages

2335-40

issue

10

eissn

0021-9290

issn

1873-2380

pii

S0021-9290(06)00394-0

journal_volume

40

pub_type

杂志文章

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