| 基于运动捕获数据的玉米叶片静力应变试验研究 |
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| 引用本文： | 王雪,郭新宇,肖伯祥,陆声链.基于运动捕获数据的玉米叶片静力应变试验研究[J].农机化研究,2011,33(11). |
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| 作者姓名： | 王雪 郭新宇 肖伯祥 陆声链 |
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| 作者单位： | 1. 国家农业信息化工程技术研究中心,北京100097;首都师范大学信息工程学院,北京100048
2. 国家农业信息化工程技术研究中心,北京,100097 |
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| 基金项目： | 国家自然科学基金项目(30700493); 国家农业科技成果转化基金项目(2009GB2A000001) |
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| 摘 要： | 为了研究玉米叶片在不同应力情况下的叶脉的形变情况,进而分析了叶脉骨架的生物力学及运动学特性,以叶尖直立展开期和定型期的玉米叶片为研究对象,提出了一种基于准确运动捕获数据的应力—应变试验方案。试验测试了主脉在不同静态荷载下的形变情况,并从宏观力学层面分析了主脉形变程度随距基部距离的变化趋势。结果表明:处于叶尖直立展开期和定型期的玉米叶片,其主脉上各点随着距基部距离不同表现出不同的生物力学特性,且叶脉垂直最高处的形变程度最大。该研究为应用运动捕获技术获取农学试验数据做出了初步探索。
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| 关 键 词： | 玉米叶片 中轴图式 生物力学性能 运动捕获 |
Experimental Study of Static Strain Deformation of Maize Leaf Based on Motion Capture Data |
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| Wang Xue,Guo Xinyu,Xiao Boxiang,Lu Shenglian.Experimental Study of Static Strain Deformation of Maize Leaf Based on Motion Capture Data[J].Journal of Agricultural Mechanization Research,2011,33(11). |
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| Authors: | Wang Xue Guo Xinyu Xiao Boxiang Lu Shenglian |
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| Institution: | Wang Xue1,2,Guo Xinyu1,Xiao Boxiang1,Lu Shenglian1(1.National Engineering Research Center for Information Technology in Agriculture,Beijing 100097,China,2.Information Engineering Institute,Capital Normal University,Beijing 100048,China) |
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| Abstract: | In order to evaluate maize leaves with biomechanical methods,and then to provide guidance for analyzing the kinetic characteristics of the veins,the deformations of central veins of growing leaves and mature leaves loaded with different forces were experimentally investigated by motion capture data.The trends of physical mechanical properties along with central vein were analyzed with macro-mechanical methods.The results indicate that the different parts of central vein perform with different biomechanical ... |
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| Keywords: | maize leaf medial axis pattern biomechanical property optical motion capture |
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