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Strathprints

Autonomous navigation of spacecraft formation in the proximity of minor bodies

Yang, Hui Xin and Vetrisano, Massimo and Vasile, Massimiliano and Zhang, WeiHua (2016) Autonomous navigation of spacecraft formation in the proximity of minor bodies. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 230 (1). pp. 189-204. ISSN 0954-4100

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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.

Item type: Article
ID code: 54511
Keywords: autonomous navigation, asteroid, inter-spacecraft measurement, UKF, robustness, Mechanical engineering and machinery, Motor vehicles. Aeronautics. Astronautics, Mechanical Engineering, Aerospace Engineering, Control and Systems Engineering
Subjects: Technology > Mechanical engineering and machinery
Technology > Motor vehicles. Aeronautics. Astronautics
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Technology and Innovation Centre > Advanced Engineering and Manufacturing
Depositing user: Pure Administrator
Date deposited: 07 Oct 2015 13:50
Last modified: 03 Jan 2019 14:20
Related URLs:
URI: https://strathprints.strath.ac.uk/id/eprint/54511
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