航空学报 > 2014, Vol. 35 Issue (9): 2568-2573   doi: 10.7527/S1000-6893.2014.0034

一种机载导航设备航向校正方法

王全喜1, 黄亮2, 汪洋1   

  1. 1. 海军装备研究院, 北京 100161;
    2. 海军工程大学 电子工程学院, 湖北 武汉 430033
  • 收稿日期:2013-11-18 修回日期:2014-03-31 出版日期:2014-09-25 发布日期:2014-04-16
  • 通讯作者: 王全喜,Tel.:010-66978267 E-mail:ccwangok@sina.cn E-mail:ccwangok@sina.cn
  • 作者简介:王全喜 男,硕士,高级工程师。主要研究方向:光电探测和天文导航技术。Tel:010-66978267 E-mail:ccwangok@sina.cn

A Heading Correction Method for Airborne Navigation Equipment

WANG Quanxi1, HUANG Liang2, WANG Yang1   

  1. 1. Naval Armament Academy, Beijing 100161, China;
    2. College of Electronic Engineering, Naval University of Engineering, Wuhan 430033, China
  • Received:2013-11-18 Revised:2014-03-31 Online:2014-09-25 Published:2014-04-16

摘要:

针对中小型无人机(UAV)导航设备中的航向校正问题,提出了一种通过机载光电吊舱和全球定位系统(GPS)分别测量地面控制站相对于无人机的方位角,来确定无人机航向角偏差的"回头看"校正方法,用于校正中小型无人机的磁力计输出的航向数据。在测试试飞试验中,利用该校正方法对无人机航向进行校正后,将机载光电吊舱对目标定位的方位误差由校正前的2.5°减小到0.5°,距离误差由校正前的3.0 km减小到0.5 km,验证了该方法对无人机航向校正的可行性和有效性。

关键词: 无人机, 磁力计, 航向校正, 被动定位, 光电吊舱

Abstract:

The heading correction problem of the small and medium-sized unmanned aerial vehicle (UAV) navigation equipment is discussed in this paper. To correct the heading data output from the UAV's magnetometer, this paper introduces a new method called "looking-back", which can obtain the heading angular misalignment data from airborne electro-optical pod and global positioning system (GPS). This method has significantly improved the accuracy of the target positioning of airborne electro-optical pod by correcting the UAV's heading data during the UAV flight test of verification. It can decrease the margin of error for the target azimuth from 2.5° to 0.5°, as well as to decrease the margin of error for the target distance from 3.0 km to 0.5 km. This test proves the validity and efficiency of the "looking-back" method for the correction for UAV heading.

Key words: unmanned aerial vehicles (UAV), magnetometer, heading correction, passive positioning, electro-optical pod

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