CAJ | 학술논문

针对目前利用天空偏振光信息进行导航，仅能提供方向信息实现相对路径定位，而不能获取载体的经纬度信息实现绝对定位的问题，在前期工作中，作者提出了一种基于天空偏振光、地球与太阳相对位置关系的自定位方法。本文中，作者设计搭建了由天空偏振角测量装置、OCTANS惯导组成的实验平台，对该方法的可行性进行验证分析。实验结果表明，该定位方法能够实时的获取相对可靠的地理位置，且经纬度误差均值分别为-0.149°和0.418°。与GPS定位系统相比，虽然定位精度有待于进一步提高，但可作为GPS失效时的有效补充定位手段。
침대목전이용천공편진광신식진행도항，부능제공방향신식실현상대로경정위，이불능획취재체적경위도신식실현절대정위적문제，재전기공작중，작자제출료일충기우천공편진광、지구여태양상대위치관계적자정위방법。본문중，작자설계탑건료유천공편진각측량장치、OCTANS관도조성적실험평태，대해방법적가행성진행험증분석。실험결과표명，해정위방법능구실시적획취상대가고적지리위치，차경위도오차균치분별위-0.149°화0.418°。여GPS정위계통상비，수연정위정도유대우진일보제고，단가작위GPS실효시적유효보충정위수단。
As the skylight polarization navigation at present is based on dead reckoning which can only provide orientation information to navigate but not the geographic position of the observer, an autonomous positioning method based on skylight polarization, and the relative relationship between the earth and the sun was proposed by the author through the previous work. An experiment platform which consists of a three-camera skylight polarization angle measuring module, an OCTANS INS module and an ephemeris inquiring module are presented, as well as a basic verification experiment of the autonomous positioning method is carried out. The experiment result shows that the positioning system is able to provide a relative reliable longitude and latitude of the vehicle real-time, which validates the feasibility of the positioning method. Although the experiment platform provides a latitude error of 0.418° and a longitude error of -0.149° in average which is larger than GPS, it still could be a back-up positioning system when the GPS signal is out of service.