| 电涡流位移传感器曲线拟合方程式的研究 |
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| 引用本文： | 李移,曹现刚.电涡流位移传感器曲线拟合方程式的研究[J].煤矿机械,2013,34(1):94-96. |
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| 作者姓名： | 李移 曹现刚 |
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| 作者单位： | 1. 西安科技大学机械工程学院,西安,710054
2. 西安科技大学,西安,710054 |
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| 摘 要： | 针对传统电涡流位移传感器非线性误差大、精度低的缺陷,对所开发的电涡流位移传感器,分别采用插值函数、最小二乘法和指数函数3种方法进行曲线拟合,并对3种拟合曲线进行误差分析。结果表明:指数函数拟合的曲线非线性误差最小,精度最高。
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| 关 键 词： | 电涡流 传感器 特性曲线 非线性误差 |
Curve Fitting Equation of Eddy Current Displacement Sensor Research |
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| LI Yi,CAO Xian-gang.Curve Fitting Equation of Eddy Current Displacement Sensor Research[J].Coal Mine Machinery,2013,34(1):94-96. |
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| Authors: | LI Yi CAO Xian-gang |
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| Affiliation: | 1.College of Mechanical Engineering,Xi’an University of Science and Technology,Xi’an 710054,China;2.Xi’an University of Science and Technology,Xi’an 710054,China) |
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| Abstract: | This article in view of traditional eddy current displacement sensor nonlinear error and defects of low accuracy,for the development of eddy current displacement sensor,respectively by means of interpolation function,least square method and index function three methods for curve fitting,and three fitting curves for error analysis.The results show that:index function fitting curve nonlinear error smallest,the highest accuracy. |
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| Keywords: | eddy current sensors characteristic curve nonlinear error |
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