| 最小二乘法在铂热电阻测温中的应用 |
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| 引用本文： | 王俊杰,张伟.最小二乘法在铂热电阻测温中的应用[J].仪表技术与传感器,1999(5). |
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| 作者姓名： | 王俊杰 张伟 |
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| 作者单位： | 清华大学自动化系 |
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| 摘 要： | 】根据铂热电阻不平衡电桥测温的原理，进行了测温误差分析，利用最小二乘法，给出了一组多项式公式。很好地解决了铂热电阻不平衡电桥法测温方案中的非线性误差，并在实际应用中得到验证。
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| 关 键 词： | 最小二乘法 铂热电阻 不平衡电桥 |
An Implementation of Least Square Method for Temperature Measurement of A Platinum Thermistor with Unbalanced Voltmeter Bridge |
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| Wang Junjie,Zhang wei,Automation.An Implementation of Least Square Method for Temperature Measurement of A Platinum Thermistor with Unbalanced Voltmeter Bridge[J].Instrument Technique and Sensor,1999(5). |
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| Authors: | Wang Junjie Zhang wei Automation |
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| Affiliation: | Wang Junjie Zhang wei Automation Department,Tsinghua University,Beijing 100084. |
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| Abstract: | This paper presents the error analysis and correction method for temperature measurement of a platinum thermistor with Unbalanced Voltmeter Bridge. On the basis of the principle of Least Square Method, several polynomials were given and had been tested by experiments. This method was proven to be simple and valuable. |
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| Keywords: | Least Square Method Platinum Thermister Unbalanced Voltmeter Bridge |
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