Satellite attitude determination using linear combination of models

Martin S. Chin; Dennis W. Ruck

doi:10.1117/12.186551

21 September 1994 Satellite attitude determination using linear combination of models

Martin S. Chin, Dennis W. Ruck

Proceedings Volume 2298, Applications of Digital Image Processing XVII; (1994) https://doi.org/10.1117/12.186551
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

In satellite analysis, it is often necessary to determine the attitude of a satellite from a two- dimensional image of the satellite. This paper describes work performed to determine the attitude of a satellite relative to a reference position. The attitude is described in terms of the scaling, rotation and translation of the reference that will result in a pose that can be projected to form the image of interest. The techniques used are based on finding coefficients for the linear combination of basis images and decomposition of a composite transformation matrix. A special representation of the basis images allows the extraction of the linear combination coefficients and the translation parameters in a single matrix multiplication using only three basis images. The methods were initially modeled using a high level mathematics package and applied to simple objects, then implemented on a silicon graphics workstation and applied to a model of an actual satellite. An analysis was performed to determine the sensitivity of the attitude estimation system to input errors and convergence tolerance. The satellite model used and the software tools are available via anonymous FTP.

Citation Download Citation

Martin S. Chin and Dennis W. Ruck "Satellite attitude determination using linear combination of models", Proc. SPIE 2298, Applications of Digital Image Processing XVII, (21 September 1994); https://doi.org/10.1117/12.186551

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KEYWORDS

3D modeling

Satellites

Error analysis

Tolerancing

Satellite imaging

Image sensors

3D image processing

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