| 三轴磁阻电子罗盘设计 |
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| 引用本文： | 马建仓,胡士峰,邵婷婷.三轴磁阻电子罗盘设计[J].火力与指挥控制,2009,34(3). |
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| 作者姓名： | 马建仓 胡士峰 邵婷婷 |
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| 作者单位： | 1. 西北工业大学电子信息学院,陕西西安,710072
2. 延安大学物理与电子信息学院,陕西西安,716000 |
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| 基金项目： | 西北工业大学重点扶持基金，西北工业大学研究生创新基金 |
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| 摘 要： | 研制了一种基于磁阻传感器和MEMS加速度计的三轴磁阻电子罗盘,包括电子罗盘的工作原理、硬件设计以及软件算法流程.航向角、俯仰角和翻滚角是罗盘系统的主要技术指标,介绍了利用该系统测量航向角的原理和在O°～360°之间显示的计算表达式.利用现场的采样数据对罗差进行校正,罗盘系统精度可从±35.7°提高至±1°左右.实验证明,该系统可用于普通导航领域.
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| 关 键 词： | 电子罗盘 磁阻传感器 MEMS加速度计 |
Design of a 3-axes Magnetoresistive Electronic Compass |
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| MA Jian-cang,HU Shi-feng,SHAO Ting-ting.Design of a 3-axes Magnetoresistive Electronic Compass[J].Fire Control & Command Control,2009,34(3). |
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| Authors: | MA Jian-cang HU Shi-feng SHAO Ting-ting |
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| Institution: | 1.College of Electronic and Information;Northwestern Polytechnical University;Xi'an 710072;China;2.College of Physics and Electronic Information;Yan'an University;Yan'an 716000;China |
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| Abstract: | A 3-axes magnetoresistive electronic compass is developed,which is based on magnetoresis-tive sensor and MEMS accelerometer,and include the work principle,hardware design and software flow chart.Course and gesture angle are important guidelines and their metrical principle are introduced.Using spot sampling data to compensate the environment error and the precision of the compass system is up from to about.The experiment shows that the compass system can be used in common navigation field. |
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| Keywords: | electronic compass magnetoresistive sensor MEMS accelerometer |
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