| 永磁式电磁流量传感器及其信号处理 |
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| 引用本文： | 刘可昌,李霞,李斌. 永磁式电磁流量传感器及其信号处理[J]. 微纳电子技术, 2007, 0(Z1) |
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| 作者姓名： | 刘可昌 李霞 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： | 采用永磁体励磁方式制成的电磁流量传感器,既保持了传统线圈励磁电磁流量计的不易堵塞、无压损等优点,又简化了电磁流量传感器的结构,降低了制造成本,并可充分发挥永磁体励磁方式的功耗低、响应速度快等优点。同时,引入了动态反馈控制的方法来消除电极信号中的极化电压,从而使永磁体励磁的电磁流量计应用于一般导电性流体的测量成为可能。
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| 关 键 词： | 永磁体 电磁流量计 极化 动态反馈 |
Electromagnetic Flow Sensor Excited by Permanent Magnets and Its Signal Process Method |
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| LIU Ke-chang,LI Xia,LI Bin. Electromagnetic Flow Sensor Excited by Permanent Magnets and Its Signal Process Method[J]. Micronanoelectronic Technology, 2007, 0(Z1) |
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| Authors: | LIU Ke-chang LI Xia LI Bin |
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| Abstract: | An electromagnetic flow sensor excited by permanent magnets was introduced.It has the advantage of structure simplification,low cost,micro power and quick response.Dynamic feedback control method was presented to eliminate polarization voltage,which made it possible that electromagnetic flowmeter excited by permanent magnets was used in the measurement of normal electric fluid. |
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| Keywords: | permanent magnets electromagnetic flowmeter polarization dynamic feedback |
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