| 基于正交设计的土压力传感器匹配误差分析 |
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| 引用本文： | 张立祥,罗强,刘钢,刘潇潇,张胜利.基于正交设计的土压力传感器匹配误差分析[J].传感器与微系统,2011,30(3):50-53,56. |
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| 作者姓名： | 张立祥 罗强 刘钢 刘潇潇 张胜利 |
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| 作者单位： | 西南交通大学,高速铁路线路工程教育部重点实验室,四川,成都,610031 |
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| 基金项目： | 国家自然科学基金重资助点项目，铁道部科技开发计划资助项目 |
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| 摘 要： | 针对双膜平动式土压力传感器的结构特点,建立了简化分析模型,基于正交设计对传感器与土介质的相互作用特性进行了有限元计算,并通过标定试验验证了计算结果的合理性.研究表明:1)传感器与土介质的模量比Eg/Es、传感器厚度H、直径D的交互作用只在Eg/Es>1后对匹配误差β有显著影响,但均小于各因素自身对卢的影响程度;2)Eg...
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| 关 键 词： | 土压力传感器 匹配误差 正交设计 有限元计算 |
Analysis of matching error of soil pressure transducer based on orthogonal design |
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| ZHANG Li-xiang,LUO Qiang,LIU Gang,LIU Xiao-xiao,ZHANG Sheng-li.Analysis of matching error of soil pressure transducer based on orthogonal design[J].Transducer and Microsystem Technology,2011,30(3):50-53,56. |
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| Authors: | ZHANG Li-xiang LUO Qiang LIU Gang LIU Xiao-xiao ZHANG Sheng-li |
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| Affiliation: | ZHANG Li-xiang,LUO Qiang,LIU Gang,LIU Xiao-xiao,ZHANG Sheng-li(Key Laboratory of Ministry of Education for High-speed Railway Engineering,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | Aimed at the structural characteristics of the double-membrane soil translational pressure transducer,a simplified analysis model is set up to calculate interaction properties of transducer and soil based on orthogonal design by FEM.The calculation results are proved to be reasonable through the calibration test.The study shows that:1)The interactions of the modulus ratio Eg/Es,thickness H,diameter D have significant effect on the matching error only when Eg/Es>1.And the interaction effect are less than the... |
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| Keywords: | soil pressure transducer matching error orthogonal design finite element method |
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