Autonomous navigation of spacecraft formation in the proximity of minor bodies

Hui Xin Yang, Massimo Vetrisano, Massimiliano Vasile, WeiHua Zhang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The paper presents an autonomous navigation method for a spacecraft formation flying in the proximity of an asteroid. The measurements from an onboard high resolution camera and a LIDAR are used to estimate the relative position and velocity of the spacecraft with respect to the asteroid. The main innovation is the inclusion of inter-spacecraft measurements provided by the same sensors to evaluate the improvement of navigation performance. Several schemes are constructed to quantify the navigation performance affected by different combinations of measurements, which are obtained from each spacecraft within a 2-spacecraft formation. Unscented Kalman Filter (UKF) is then proposed to simultaneously estimate the position and velocity of each spacecraft with respect to the asteroid. Some examples demonstrate that a significant improvement of the navigation accuracy can be obtained by fusing the inter-spacecraft measurements with the spacecraft-to-asteroid measurements. The robustness of the proposed navigation strategy is then assessed by considering a range of different magnitudes of the noise in measurements and process.
LanguageEnglish
Pages189-204
Number of pages16
JournalProceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
Volume230
Issue number1
Early online date24 Jun 2015
DOIs
Publication statusPublished - 1 Jan 2016

Fingerprint

Spacecraft
Navigation
Asteroids
Kalman filters
Innovation
Cameras
Sensors

Keywords

  • autonomous navigation
  • asteroid
  • inter-spacecraft measurement
  • UKF
  • robustness

Cite this

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Autonomous navigation of spacecraft formation in the proximity of minor bodies. / Yang, Hui Xin; Vetrisano, Massimo; Vasile, Massimiliano; Zhang, WeiHua.

In: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering , Vol. 230, No. 1, 01.01.2016, p. 189-204.

Research output: Contribution to journalArticle

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