面向振动响应特性的坐姿人体动力学模型

张志飞1,2,胡正权2,徐中明1,2,贺岩松2,黄深荣2

振动与冲击 ›› 2016, Vol. 35 ›› Issue (4) : 104-109.

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (4) : 104-109.
论文

面向振动响应特性的坐姿人体动力学模型

  • 张志飞1,2,胡正权2,徐中明1,2,贺岩松2,黄深荣2
作者信息 +

A Biodynamical Model of Seated Human Body Based on Dynamical Response

  • Zhang Zhifei1,2, Hu Zhengquan2, Xu Zhongming1,2,He Yansong2, Huang Shenrong2
Author information +
文章历史 +

摘要

为了能准确地模拟人体的振动响应特性,并减少模型的复杂程度,结合分析力学和人体各部位实际状况,建立了六自由度坐姿人体动力学模型。列出了该模型的运动微分方程,并推导出人体振动响应特性的计算公式,以试验数据为依据,以动态等效质量和座位处到头部传递函数为目标,运用多目标优化方法获得了模型参数。结果显示,六自由度模型能准确的拟合人体振动响应特性曲线。将该模型与经典的集中参数模型(ISO 5982(2001)模型)和复杂生物力学模型(Tae-Hyeong Kim的模型)进行对比分析,该模型能更好地拟合实验数据,其结构简单却能相对完整、准确地反映人体动态特性,可用于人体振动响应仿真分析。

Abstract

To precisely simulate the dynamical response of seated human body and simplify the mathematical model, a six degree-of-freedom biodynamical model is developed by combining analytic mechanics with the actual situation of each segment of human body. Equations of motion and formulas of dynamical response are presented and parameters of the model are derived from measured data of apparent mass, vertical and rotational vibration transmissibilities to the head of five individuals by curve fitting. Results shows that the model can precisely fitting the dynamical response of seated human body. Comparing to classical lumped model(a model recommended by ISO 5982(2001))and a complex biodynamical model (Tae-Hyeong Kim’s model), the model can fitting dynamical response more precisely and can present relatively intact information with simple structure. It can be used to simulate the dynamical response of seated human body.
 

关键词

人体动力学模型 / 全身振动 / 动态等效质量 / 传递函数 / 参数识别

Key words

Biodynamical model / Whole-body vibration / Apparent mass / Transmissibility / Parameter estimation

引用本文

导出引用
张志飞1,2,胡正权2,徐中明1,2,贺岩松2,黄深荣2. 面向振动响应特性的坐姿人体动力学模型[J]. 振动与冲击, 2016, 35(4): 104-109
Zhang Zhifei1,2, Hu Zhengquan2, Xu Zhongming1,2,He Yansong2, Huang Shenrong2. A Biodynamical Model of Seated Human Body Based on Dynamical Response[J]. Journal of Vibration and Shock, 2016, 35(4): 104-109

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