| 熔铝电阻率测量系统的研制 |
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| 引用本文： | 张玉林,张玲. 熔铝电阻率测量系统的研制[J]. 传感器与微系统, 2002, 21(2): 24-26 |
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| 作者姓名： | 张玉林 张玲 |
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| 作者单位： | 1. 山东大学,控制科学与控制工程学院,山东,济南,250061
2. 山东大学,数学学院,山东,济南,250061 |
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| 摘 要： | 熔铝电阻率的测量基于电涡流原理，设计了传感器的结构和标定方法。为了简化测量熔铝电阻率的硬件电路，在信号处理电容中采用了LVDT专用芯片AD598硬软件结合消除了温度影响，在熔铝及铝基合金的凝固研究中得到实用。
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| 关 键 词： | 电阻率 电涡流 熔铝检测 |
| 文章编号： | 1000-9787(2002)02-0024-03 |
| 修稿时间： | 2001-09-20 |
Development of measurement system for electrical resistivity of molten aluminum |
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| ZHANG Yu lin ,ZHANG Ling. Development of measurement system for electrical resistivity of molten aluminum[J]. Transducer and Microsystem Technology, 2002, 21(2): 24-26 |
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| Authors: | ZHANG Yu lin ZHANG Ling |
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| Affiliation: | ZHANG Yu lin 1,ZHANG Ling 2 |
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| Abstract: | The measurement of molten aluminum electrical resistivity is based on the eddy current principles. In the system the structure and calibrating method of the transducer is properly designed. In order to simplify the hardware circuit,the AD598 LVDT special chip is adopted in the signal processing circuit. By rational combine of software and hardware the temperature effect is effectively eliminated. This system has been applied to the freezing study of molten aluminum and aluminum alloy. |
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| Keywords: | measurement electrical resistivity eddy current examination of molten aluminum |
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