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An Autonomous Space Navigation System Using Image Sensors

Ju-Hyeon Hong, Woosung Park, and Chang-Kyung Ryoo*
International Journal of Control, Automation, and Systems, vol. 19, no. 6, pp.2122-2133, 2021

Abstract : Space navigation has been a research topic for decades, with autonomy within its remit being a challenging area. Conventional space navigation approaches are based on utilizing the signal from ground facilities on the earth or using navigation sensors with sophisticated methodologies. Hence, this paper proposes a simple space autonomous navigation system that utilizes the angle measurements obtained by three image sensors. A sensitivity analysis is performed to rigorously investigate the relationship between the sensors’ performance and navigation error. A nonlinear Kalman filter is designed to improve navigation performance due to sensor errors. The performance of the proposed system is verified via nonlinear numerical simulations and Monte-Carlo simulation with sensor errors.

Keyword : Celestial navigation, image based navigation, in-orbit positioning.

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