吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (6): 1692-1697.doi: 10.13229/j.cnki.jdxbgxb201406024

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基于多种步态的德国牧羊犬足-地接触分析

钱志辉1, 苗怀彬1, 商震2, 任露泉1   

  1. 1.吉林大学 工程仿生教育部重点实验室,长春 130022;
    2.吉林大学 汽车工程学院,长春 130022
  • 收稿日期:2013-11-14 出版日期:2014-11-01 发布日期:2014-11-01
  • 通讯作者: 任露泉(1944-),男,教授,博士生导师,中国科学院院士.研究方向:工程仿生.E-mail:lqren@jlu.edu.cn
  • 作者简介:钱志辉(1981-),男,副教授,博士.研究方向:生物力学及工程仿生.E-mail:
  • 基金资助:
    国家自然科学基金项目(51105167); 吉林省科技发展计划项目(20130522187JH); 中国博士后基金项目(2013M530985)

Foot-ground contact analysis of German shepherd dog in walking, trotting and jumping gaits

QIAN Zhi-hui1, MIAO Huai-bin1, Shang Zhen2, REN Lu-quan1   

  1. 1.Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China;
    2.College of Automotive Engineering, Jilin University, Changchun 130022,China
  • Received:2013-11-14 Online:2014-11-01 Published:2014-11-01

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摘要： 以德国牧羊犬为研究对象,测试其在常速行走、对角小跑、跳跃3种步态下的足-地接触作用特征,通过分析犬右前足的垂直地反力、足底动态压力分布特征和模式得出:试验范围内,犬右前足的垂直地反力峰值由其体重的0.69倍(常速行走)增长到其体重的1.43倍(跳跃);随着足-地接触冲击力的增大,犬右前足的主要着地区域和主要承力点产生了适应性变化和调整,由常速行走的足外侧(第四指、第五指)逐渐调整为跳跃状态下的足中部(第三指、第四指)和掌垫区域,这种适应性调整有利于其足部缓冲储能功能的发挥。

关键词: 工程仿生学, 犬类动物, 步态, 足底压力, 缓冲, 生物力学

Abstract: The foot-ground contact biomechanics of German Shepherd Dog (GSD) in normal walking, trotting and jumping gaits were investigated using a pressure plate system. The peak of the vertical ground reaction force and the dynamic foot pressure distribution on the paw pad of right-forefoot was measured and analyzed. It was found that the peak ground reaction force acting on the forefoot was about 0.69 times of the weight of GSD in walking gait; while in jumping gait, the reaction force increased to 1.43 times of weight of GSD. Meantime, along with the increase in the vertical foot-ground impact force, GSD made adjustment of its foot contact region for force bearing. In walking gait, the contact region was the 4th and 5th toes, and in jumping gait the contact region was shifted to the 3rd, 4th toes and metacarpal. Such adjustment is of great benefit to cushion and impact energy absorption.

Key words: engineering bionics, canine animal, gait, foot pressure, buffering, biomechanics

中图分类号: 

  • TB17
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