AnyBody环境下人体步态的逆向动力学研究

徐欢欢; 何育民; 孙朝阳; 郭超

doi:10.13433/j.cnki.1003-8728.20190069

AnyBody环境下人体步态的逆向动力学研究

doi: 10.13433/j.cnki.1003-8728.20190069

西安建筑科技大学机电工程学院, 西安 710055

基金项目:

陕西省自然科学基础研究计划项目 2014JM7269

详细信息

作者简介:
徐欢欢(1992-), 硕士研究生, 研究方向为无源下肢外骨骼的设计与研究, xuhuanhuan6688@163.com

通讯作者:
何育民, 副教授, 博士, he_yumin@163.com

中图分类号: G804.66
计量
- 文章访问数: 914
- HTML全文浏览量: 501
- PDF下载量: 100
- 被引次数: 0
出版历程
- 收稿日期: 2018-12-19
- 刊出日期: 2019-12-05

Research of Reverse Dynamics of Human Gait via AnyBody Technology

School of Mechanical and Electrical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

摘要

摘要: 为了分析人体步态运动中包含肌骨系统的下肢动力学特性，基于生物力学分析软件AnyBody建立一种包含肌骨系统的下肢运动模型。利用逆向动力学，在下肢运动关节等处设置运动控制点，以运动控制点三维坐标和地面支反力为驱动，完成了人体的正常步态仿真，得到了人体正常步态下的踝关节和膝关节的角度、力矩的变化曲线，分析了关节力矩与角度变化之间的关系；给出了比目鱼肌、缝匠肌、胫骨后肌和胫骨前肌在步态周期内的肌肉力和活性变化曲线，讨论了肌肉力和肌肉活性之间的关系。
- AnyBody /
- 逆向动力学 /
- 步态 /
- 肌肉力 /
- 肌肉活性
Abstract: In order to analyze the dynamic characteristics of the lower limb including the musculoskeletal system in human gait movement, the lower limb motion model including the musculoskeletal system are established by using a biomechanics software, AnyBody^TM Modeling System. By using the reverse dynamics, the human body is driven by the three-dimensional coordinates of the motion control points set on the lower limb joints and the ground reaction force. Then the normal gait simulation of the human body is completed. The curves of the angles and moments of the ankle joint and knee joint in the normal gait are obtained, and the relationship between the joint torque and the angle is analyzed. The curves of the muscle strength and muscle activity of the soleus, sartorius, tibialis posterior and tibialis anterior muscle are given in the gait cycle. The relationship between the muscle strength and activity is discussed.
- AnyBody /
- inverse dynamics /
- gait /
- muscle strength /
- muscle activity

HTML全文

图 1 人体基准面

下载: 全尺寸图片幻灯片

图 2 人体下肢肌骨系统

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图 3 人体步态周期

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图 4 人体下肢步态运动模型

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图 5 人体矢状面内的膝、踝关节角度定义

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图 6 步态周期内的踝关节角度变化

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图 7 步态周期内的膝关节角度变化

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图 8 步态周期内踝、膝关节力矩变化

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图 9 步态周期内下肢主要肌肉受力变化

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图 10 步态周期内下肢主要肌肉活性变化

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表 1 人体下肢尺寸

部位名称	质量/kg	长度/m
髋关节	9.23	0.175
大腿(右)	6.86	0.46
大腿(左)	6.82	0.46
小腿(右)	3.28	0.43
小腿(左)	3.28	0.43
右脚	0.67	0.26
左脚	0.66	0.26

下载: 导出CSV

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