ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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vol 66 / January, 2023
Article

DOI 10.17586/0021-3454-2016-59-6-443-449

UDC 550.38; 520.6

DEVICE FOR CONSTRUCTING THE LOCAL VERTICAL FOR NANOSPACECRAFT

A. A. Chernyshov
Space Research Institute of the RAS, Department of Space Plasma Physics; Senior Scientist


D. V. Chugunin
Space Research Institute of the RAS, Department of Space Plasma Physics; Junior Scientist


M. M. Mogilevsky
Space Research Institute of the RAS, Department of Space Plasma Physics; Head of Laboratory


I. L. Moiseenko
Space Research Institute of the RAS, Department of Space Plasma Physics; Junior Scientist


A. V. Kostrov
Space Research Institute of the RAS, Laboratory of Space Plasma Modeling; Head of the Laboratory


M. E. Gushchin
Space Research Institute of the RAS, Laboratory of Space Plasma Modeling; Senior Scientist


S. V. Korobkov
Space Research Institute of the RAS, Laboratory of Space Plasma Modeling; Junior Scientist


D. V. Yanin
Space Research Institute of the RAS, Laboratory of Space Plasma Modeling; Junior Scientist


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Abstract. A device and a method for constructing local vertical for nanospacecraft based on the sight of the horizon of the Earth in the visible wavelength range are proposed. The use of such a system on the nanosatellite is reported to allow determination of the local vertical direction with accuracy comparable with the accuracy of infrared local vertical detectors, and also to provide significant gains in mass and power consumption. The disadvantages of the system include the inability to determine the orientation on the shady part of the orbit, as well as flashing of the image when struck by sunlight in the frame. Presented results of numerical experiments demonstrate that the proposed system works in a wide range of orientation angles. A semi-natural experiment to determine the pitch angle by processing video images received from camera is carried out. Results of the experiment confirm that the accuracy of the developed system for constructing local vertical of spacecraft based on video processing is comparable to the precision provided by infrared detectors of local vertical.
Keywords: nanosatellite, local vertical constructing, video navigation, sensor, experiment

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