电子指南针_电气工程及其自动化.rar

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  • 更新时间:2013-08-02
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摘要:早期的指南针采用了磁化指针和方位盘的组合方式,整个指南针从便携性、指示灵敏度上都有一定不足。本系统采用专用的磁场传感器结合高速微控制器(MCU)的电子指南针能有效解决这些问题。

   系统采用了磁阻传感器采集某一方向磁场强度后通过控制器对其进行处理并显示上传,通过对电子指南针硬件电路和软件程序的分析,阐述了电子指南针基本的工作原理及实现。     

关键词:电子指南针;磁阻传感器;惠斯通电桥;LCD

 

ABSTRACT:Early compass adopted magnetized pointer and azimuth dish combination, the compass from portability and instructions have certain insufficient sensitivity. The system USES the special magnetic field sensors combined with high speed micro controller (MCU) electronic compass could solve these problems. 

  System uses a magnetic resistance sensors to collect a certain direction after the magnetic field strength of its processing by controller and display the upload, through to the electronic compass hardware circuit and software program analysis, elaborated the electronic compass basic working principle and realization. 

Key words: electronic compass; reluctance sensors; wheatstone bridge; LCD