| 差分霍尔效应加速度测量方法及其线性实验模拟 |
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| 引用本文： | 刘发明,邱召运,姜广东.差分霍尔效应加速度测量方法及其线性实验模拟[J].现代电子技术,2010,33(6):195-198. |
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| 作者姓名： | 刘发明 邱召运 姜广东 |
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| 作者单位： | 潍坊医学院,山东,潍坊,261053 |
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| 摘 要： | 对磁场中对称结构的霍尔元件的输出特性进行研究，提出一种差分霍尔效应加速度测量方法。基于线性霍尔元件和圆柱形永磁体设计加速度测量模型，两个霍尔元件与磁体构成对称互补结构，以差分方式输出信号电压。建立加速度与输出电压的线性关系，实现以非接触的方式测量加速度。模型的对称互补式设计，减小了非线性因素对测量的影响，改善了输出线性度。差分式电压输出，能够抑制共模干扰和零点漂移，并提高了信号幅度。对模型进行线性模拟实验，实验结果符合理论结论。数据分析显示，测量方法具有较高灵敏度和线性度。
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| 关 键 词： | 加速度 测量方法 测量模型 差分霍尔效应 非接触式 |
Differential Hall-effect Acceleration Measurement Method and Its Linear Experimental Simulation |
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| LI Faming,QIU Zhaoyun,JIANG Guangdong.Differential Hall-effect Acceleration Measurement Method and Its Linear Experimental Simulation[J].Modern Electronic Technique,2010,33(6):195-198. |
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| Authors: | LI Faming QIU Zhaoyun JIANG Guangdong |
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| Affiliation: | LI Faming,QIU Zhaoyun,JIANG Guangdong(Weifang Medical University,Weifang,261053,China) |
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| Abstract: | Output characteristics Hall element in the magnetic field symmetry structure are studied,a Hall-differential acceleration measurement method of impact-resistant mutant is proposed.An acceleration measurement model is designed based on the linear Hall elements and the cylindrical permanent magnet,two Hall elements and the magnets constitute a symmetric complementary structure,and output signal voltage differentially.The linear relationship between acceleration and output voltage are established to achieve a ... |
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| Keywords: | acceleration measurement method measurement model differential Hall-effect non-contact |
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