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摘要: 随着科技的发展, 航向测量系统日益小型化、智能化。小型HPR- 1固态航向姿态系统就是在这种背景下研发出来的, 以Honeywell公司的HMR330 0数字罗盘为核心, 内含单片机, 外带手持显示控制器的航姿系统。该系统不仅可以完成对航向、倾斜、俯仰等航姿信号的实时采集, 而且可以在进行误差补偿之后提供多路满足用户需求的数字量和模拟量的输出。该系统具有体积小、重量轻、精度高、可靠性高和使用灵活等特点, 可以应用于无人机导航, 车辆、轮船的航向测量等多个领域。Abstract: With the rapid development of science, heading measuring system is becoming increasingly pint sized and intelligent. Miniature HPR 1 magnetic heading measuring system is just researched and developed in such background. It consists of HMR3300 digital compass, which is manufactured by Honeywell corporation, employed SCM and external hand held display controller. This system can not only complete the real time collection of such signals as heading, pitch, roll and deviation, but also provide users numeral and analog output after the error compensation. The experimental results show that it is accurate, reliable and flexible in operation. It can be used not only in unmanned aerial vehicles (UAV), but also in other fields such as cars and ships.
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Key words:
- heading measurement /
- magnetic deviation /
- magnetic sensor /
- compensation /
- microcomputer
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表 1 某次罗差修正试验
Table 1. A test of magnetic deviation compensation
真实值/ (°) 测量值/ (°) 修正值/ (°) 0 359.6 0.1 30 29.8 29.8 60 60.8 60.3 90 93.2 90.2 120 121.9 120.1 150 148.5 149.7 180 178.6 180.0 210 203.4 209.7 240 238.2 239.8 270 262.8 269.9 300 297.2 300.2 330 329.3 330.1 
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[1] YUAN Zhi-rong. Error compensation in the utilization of magnetic sensor[J]. Measurement and Control Technology, 2001, 20(1): 58-60. [2] 何立民. 单片机应用文集[M]. 北京: 北京航空航天大学出版社, 1998.278-282. [3] XI Pu-zhou, WANG Zhen-xi, A kind of applied system of magnetic heading measurement[J]. Data Collection and Processing, 1995, 10(3): 239-244. [4] 王成豪. 航空仪表[M]. 北京: 科学出版社, 1992. [5] Honeywell Corporation. HME3300-User's guide [EB/OL]. http://www.honeywell.com, 2002-08-06. -
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