| 牛顿法与解析法在Pt100铂热电阻温度计算中的特性分析 |
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| 引用本文： | 张莉,董银丽. 牛顿法与解析法在Pt100铂热电阻温度计算中的特性分析[J]. 现代电子技术, 2010, 33(11): 135-137,140 |
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| 作者姓名： | 张莉 董银丽 |
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| 作者单位： | 1. 陕西邮电职业技术学院,陕西,咸阳,712000
2. 西安欧亚学院,陕西,西安,710065 |
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| 摘 要： | 针对Pt100铂热电阻温度计算问题,详细分析了牛顿法与解析法的应用特性,在VC 6.0编程环境下对比了两种方法的绝对计算精度以及相对运行速度。结果表明,牛顿法的计算精度高,误差较小,运行速度快。解析法虽无模型误差,但实际数值的计算误差较大,且运算速度较慢,相比而言,牛顿法是较好的选择。使用牛顿法解决铂热电阻的温度计算问题,在工业控制领域具有广泛的应用价值。
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| 关 键 词： | Pt100热电阻 牛顿法 解析法 特性分析 |
Characteristic Analysis of Newton Method and Analytical Method in Temperature Computation of Pt100 Platinum Resistor |
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| ZHANG Li,DONG Yin-li. Characteristic Analysis of Newton Method and Analytical Method in Temperature Computation of Pt100 Platinum Resistor[J]. Modern Electronic Technique, 2010, 33(11): 135-137,140 |
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| Authors: | ZHANG Li DONG Yin-li |
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| Affiliation: | ZHANG Li 1,DONG Yin-li2(1.Shaanxi Post , Telecommunication College,Xianyang 712000,China,2.Xi'an Eurasia University,Xi'an 710065,China) |
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| Abstract: | The application characteristic of Newton method and analystic method is analyzed for the problem of temperature-resistance computation of Pt100 platinum resistor.The absolute accuracy and relative operating speed of both methods are compared under the condition of VC6.0 program.The results show that Newton method has higher calculation accuracy and faster operation speed than analytical method.Although analytical method has no any modeling error theoretically,it shows a severe numerical calculation error in... |
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| Keywords: | Pt100 platinum resistor Newton method analytical method characteristic analysis |
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