导航

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2020, Vol. 41 ›› Issue (S2): 724293-724293.doi: 10.7527/S1000-6893.2020.24293

Previous Articles     Next Articles

Bionic navigation based on local atmospheric polarization

JIANG Rui1, WANG Xia1, ZUO Yifan1, LI Leilei2, CHEN Jiabin2   

  1. 1. Key Laboratory of Photoelectronic Imaging Technology and System, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;
    2. School of Automation, Beijing Institute of Technology, Beijing 100081, China
  • Received:2020-05-26 Revised:2020-05-29 Published:2020-06-18

Abstract: In the current mainstream polarization navigation algorithms, it is often necessary to obtain the polarization image of the whole sky, the solar meridian, and the neutral point before judging the navigation direction. In this paper, a new navigation direction acquisition algorithm is proposed, which can determine the navigation direction by fitting the sun direction vector in a small field of view. On this basis, computer simulation and outdoor experiments are carried out. The polarization distribution mode of the atmosphere in the zenith area is obtained by the polarization camera, and the distribution of the atmospheric polarization mode calculated by the Stokes vector analysis method, including the information of polarization degree and polarization angle. The feasibility and accuracy of the algorithm in the actual situation are verified, navigation accuracy can reach about 0.2°.

Key words: bionic navigation, bionic polarized light compass, polarized navigation, navigation, polarized light

CLC Number: