| 电磁流量计空管检测方法研究 |
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| 引用本文： | 曹金亮,李斌. 电磁流量计空管检测方法研究[J]. 仪器仪表学报, 2006, 27(6): 643-647 |
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| 作者姓名： | 曹金亮 李斌 |
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| 作者单位： | 上海大学机电工程与自动化学院,上海,200072 |
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| 摘 要： | 以电磁流量计传感器空管试验为基础，讨论了空管状态下的信号等效模型，研究了空管状态的信号特点，讨论了基于附加激励的相对电导率空管检测方法的特性，提出了一种基于干扰幅值变化分析的空管检测方法，并讨论了相关的实现方法。
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| 关 键 词： | 电磁流量计 空管检测 信号分析 |
Study on Methods of Empty Pipe Detection for Electromagnetic Flowmeter |
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| Cao Jinliang,Li Bin. Study on Methods of Empty Pipe Detection for Electromagnetic Flowmeter[J]. Chinese Journal of Scientific Instrument, 2006, 27(6): 643-647 |
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| Authors: | Cao Jinliang Li Bin |
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| Abstract: | Signal equivalent models and signal characteristics of electromagnetic flowmeter sensor in the condition of pipe empty are presented on the basis of several experiments.The method of empty pipe detection with the relative electrical conductivity based on the external excitation has been analyzed in detail.And the method of empty pipe detection in the light of analysis of the interference amplitude is put forward and its realization is presented. |
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| Keywords: | Electromagnetic flowmeter Empty pipe detection Signal analysis |
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