| 声阻尼式质量流量计的测控技术研究 |
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| 引用本文： | 李昌禧,周凯波,黄南民. 声阻尼式质量流量计的测控技术研究[J]. 华中科技大学学报(自然科学版), 1997, 0(11) |
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| 作者姓名： | 李昌禧 周凯波 黄南民 |
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| 作者单位： | 华中理工大学自动控制工程系 |
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| 摘 要： | 对声阻尼式质量流量计的振动系统进行等效折算，得出确定其特征参数ωｎ和ζ的方法，并重点介绍了实验研究系统的测量电路、控制电路及其测控技术特点．实验结果表明，采用微机化测控技术能使振动系统恒速谐振，从而确定驱动与阻尼的对应关系．
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| 关 键 词： | 质量流量测量；测控技术；可编程激振器 |
A Study on Measurement and Control Techniques for Mass Flowmeter Based on Acoustic Damping |
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| Li Changxi Dept. of Auto. Contr. Eng.,HUST,Wuhan ,China. Zhou Kaibo Huang Nanmin. A Study on Measurement and Control Techniques for Mass Flowmeter Based on Acoustic Damping[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1997, 0(11) |
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| Authors: | Li Changxi Dept. of Auto. Contr. Eng. HUST Wuhan China. Zhou Kaibo Huang Nanmin |
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| Affiliation: | Li Changxi Dept. of Auto. Contr. Eng.,HUST,Wuhan 430074,China. Zhou Kaibo Huang Nanmin |
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| Abstract: | The equivalent conversion of a vibration system has been carried out and the method of how to determine the characteristic parameters are described. The measurement circuit and control circuit of the testing system and its technical features are emphatically discussed. The experimental results show that constant speed resonance of vibratory system can be realized using microcomputer based control techniques and the relationship between driving and damping of vibratory system can be found out. |
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| Keywords: | mass flow measurement measurement and control techniques programmable vibration exciter |
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