| 解析惠斯顿电桥在直流测量电路中的应用方程 |
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| 引用本文： | 李育德.解析惠斯顿电桥在直流测量电路中的应用方程[J].测控技术,2009,28(5). |
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| 作者姓名： | 李育德 |
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| 作者单位： | 太原理工大学,材料科学与工程学院,山西,太原,030024 |
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| 摘 要： | 在温度、力值、称重、应变等许多测量应用系统中,普遍采用惠斯顿电桥直流电路来实现非电量与电量的转换目的.如何准确、简单而快速地建立起所求电量的数学表达式以及该量值的大小,是电量测试过程中基本而重要的一个环节.为此,拟同一实例为模型,运用基本的线性电路分析方法,从不同的角度为切入点来逐一介绍数学模型的多种建立方法,因而得出"节点电位方程分析法"与"网孔电流方程分析法"的应用方程表达式.
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| 关 键 词： | 惠斯顿电桥 直流电桥 电桥求解 非电量测量 |
Analysis of the Equation of Wheatstone Bridge in DC Measurement |
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| LI Yu-de.Analysis of the Equation of Wheatstone Bridge in DC Measurement[J].Measurement & Control Technology,2009,28(5). |
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| Authors: | LI Yu-de |
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| Affiliation: | Department of Materials Science and Engineering;Taiyuan University of Technology;Taiyuan 030024;China |
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| Abstract: | In many systems for mearsuring temperature,force,strain and weight,Wheatstone bridge DC circuit is widely used to convert coulometer.How to set up the mathematical expression of the electric quantity quickly and accurately is a basic and an important segment.The basic linear circuit analysis method is used to introduce many ways to set up different mathematical models.Node equation analysis method and mesh current equation analysis method are got. |
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| Keywords: | Wheatstone bridge DC bridge bridge solution non-electrical measurement |
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