| 鼹鼠爪趾几何结构量化特征分 |
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| 引用本文： | 汲文峰,佟金,贾洪雷,陈东辉,刘财勇. 鼹鼠爪趾几何结构量化特征分[J]. 农业机械学报, 2010, 41(4): 193-198. DOI: 10.3969/j.issn.1000-1298.2010.04.039 |
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| 作者姓名： | 汲文峰 佟金 贾洪雷 陈东辉 刘财勇 |
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| 作者单位： | 吉林大学工程仿生教育部重点实验室,长春,130025 |
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| 基金项目： | 国家自然科学基金,国家863高技术研究发展计划资助项目,十一五国家科技支撑计划资助项目,吉林大学985工程资助项目,吉林大学 985工程研究生创新基金 |
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| 摘 要： | 土壤洞穴动物鼹鼠具有极高的挖掘效率,前足爪趾是其主要挖掘器官.分析了鼹鼠中重要种属--麝鼹(Scaptochirus moschatus)具有优良挖掘功能的前足爪趾的几何结构特征,重点分析了前足爪趾触土面的几何结构.利用体视显微镜观察分析前足爪趾的宏观几何结构,通过逆向工程技术获取爪趾三维数据点云进行特征曲线量化分析,求得前足爪趾特征轮廓线的曲率及二阶导数的变化规律:鼹鼠爪趾纵向轮廓曲率变化较小,爪趾纵向表面平顺,保证了挖掘出的洞道内壁的平整;横向轮廓曲线曲率变化较大,且横向轮廓线尖端弯曲小,中后端弯曲大,这种结构使爪趾更易入土和扩洞.
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| 关 键 词： | 仿生学 鼹鼠 爪趾 几何结构特征 量化分析 |
Characteristic Features of Geometric Structures of Claws of Mole Rat |
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| Ji Wenfeng Tong Jin Jia Honglei Chen Donghui Liu Caiyong. Characteristic Features of Geometric Structures of Claws of Mole Rat[J]. Transactions of the Chinese Society for Agricultural Machinery, 2010, 41(4): 193-198. DOI: 10.3969/j.issn.1000-1298.2010.04.039 |
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| Authors: | Ji Wenfeng Tong Jin Jia Honglei Chen Donghui Liu Caiyong |
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| Affiliation: | Key Laboratory of Bionic Engineering/a>;Ministry of Education/a>;Jilin University/a>;Changchun 130025/a>;China |
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| Abstract: | Mole rat,as a typical soil-burrowing animal,has a high working efficiency in digging hole in earth, its fore claws are main digging organ.The geometric characteristics of the claws of mole rats(Scaptochirus moschatus) was analyzed by stereoscopy,the quantitative analysis of geometrically characteristic features of the surfaces was performed by reverse engineering,and the second derivative and curvature of the surface profile curves were calculated.The curvature variation of longitudinal profile of claw chan... |
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| Keywords: | Bionics Mole rat (Scaptochirus moschatus) Claw Geometrically characteristic feature Quantitative analysis |
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