| 电子罗盘校准方法的设计与实现 |
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| 引用本文： | 唐原广,贾彩惠,徐春玲.电子罗盘校准方法的设计与实现[J].海洋技术,2016(1):46-50. |
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| 作者姓名： | 唐原广 贾彩惠 徐春玲 |
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| 作者单位： | 1. 中国海洋大学 工程学院,山东青岛,266100;2. 上海市机械工业学校,上海,200000 |
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| 基金项目： | 国家高技术研究发展计划(“863”计划)资助项目(2006AA09Z150) |
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| 摘 要： | 电子罗盘在波浪浮标中用于实时提供波浪浮标所处的方位.为解决嵌入了Matlab的电子罗盘校准系统可移植性差、过程繁杂、运行速度慢的问题,设计了新的校准系统.将由14位串行A/D转换器Max194从波高数据采集系统中获得的模拟信号转换成的数字信号接入到微控制器中,微控制器负责控制方位数据的采样频率和A/D转换芯片,再利用串口转换芯片将输出的电平信号转换成RS232信号,由计算机对此进行处理.该系统采用了绘图功能完备、处理速度出众、可移植性好的ProEssentials结合VC++来处理多功能方位测试台采集到的方位数据,并绘制成采样数据比较图和误差图,来直观地展现电子罗盘的误差情况.实验测试表明,该电子罗盘校准系统具有可移植性好、功耗低、稳定性强、运行速度快的特点.该校准系统已经广泛应用于波浪浮标、3m浮标等的生产中.
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| 关 键 词： | 电子罗盘 校准 VC%2B%2B ProEssentials |
Design and Implementation of Electronic Compass Calibrating Method |
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| Abstract: | Electronic compass is used to provide the real-time position of the wave buoy. A new calibration system is designed to solve the problems of the electronic compass calibration system with Matlab, like poor portability, complex process and low speed. Analog signals received from the wave height data acquisition system by Max194, the 14 serial A/D converter, are converted into digital signals accessing to micro controller which is responsible for controlling the sampling frequency of azimuth data and A/D conversion chip. Then the serial conversion chip is used to convert outputting level signals into RS232 signals, which is processed by computer. The azimuth data processing is implemented by VC++ which is expert in interface design and data processing. The error is showed directly by ProEssentials through drawing sampling data comparison chart and error chart. The ProEssentials is sound in graphics, superior in processing speed and favorable in portability. Experimental tests show that the electronic compass calibration system has good portability, low power consumption, high stability and fast operating speed. The electronic compass calibration method has been widely applied in the production of wave buoys and 3-m buoys. |
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| Keywords: | electronic compass calibration VC++ ProEssentials |
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