| 基于奈奎斯特定理与曲线拟合的温度计算方法 |
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| 引用本文： | 董亚楠,黄正旺,许钦涛. 基于奈奎斯特定理与曲线拟合的温度计算方法[J]. 汽车电器, 2019, 0(2): 18-21 |
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| 作者姓名： | 董亚楠 黄正旺 许钦涛 |
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| 作者单位： | 豫新汽车热管理科技有限公司 |
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| 摘 要： | 本文研究了基于奈奎斯特定理"过采样和抽取"原理与采用"曲线拟合"方式的温度计算方法,根据空调控制精度的要求,提出相应解决方案。具体的内容包括以下几个部分:①控制器温度控制和计算方面采用奈奎斯特定理"过采样和抽取"的原理,通过大量的采集信号以提高MCU中温度AD采样的精度。②温度换算采用"曲线拟合"的方式,来实现对温度的精确计算和控制。
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| 关 键 词： | 奈奎斯特定理 过采样和抽取 曲线拟合 |
Temperature Calculation Method Based on Nyquist Theorem and Curve Fitting |
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| DONG Ya-nan,HUANG Zheng-wang,XU Qin-tao. Temperature Calculation Method Based on Nyquist Theorem and Curve Fitting[J]. Auto Electric Parts, 2019, 0(2): 18-21 |
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| Authors: | DONG Ya-nan HUANG Zheng-wang XU Qin-tao |
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| Affiliation: | (Yuxin Auto Thermal Management Technology Co.,Ltd.,XinXiang 453049,China) |
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| Abstract: | In this paper,the principle of"oversampling and extraction"based on Nyquist's theorem and the temperature calculation method using"curve fitting"method are studied.According to the requirements of air conditioning control accuracy,the corresponding solutions are proposed.The specific content includes the following parts:①The controller temperature control and calculation method adopt the principle of Nyquist's theorem"oversampling and decimation",and improves the accuracy of temperature AD sampling in the MCU through a large number of acquisition signals.②Temperature conversion adopts the method of"curve fitting"to realize accurate calculation and control of temperature. |
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| Keywords: | Nyquist theorem oversampling and decimation curve fitting |
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