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Cybernetics And Systems Analysis
International Theoretical Science Journal
Volume 55 >>> № 1 JANUARY — FEBRUARY 2019
UDC 519.8, 629.7
N.D. Pankratova1, O.V. Sholokhov2


1 National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute,” Kyiv, Ukraine

 natalidmp@gmail.com

2 National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute,” Kyiv, Ukraine

 gyroalex@ukr.net

DEVELOPMENT OF THE ROBUST ALGORITHM OF THE GUARANTEED
ELLIPSOIDAL ESTIMATION AND ITS APPLICATION FOR ORIENTATION
OF THE EARTH ARTIFICIAL SATELLITE

Abstract. The method of estimation of linear multidimensional dynamic control systems perturbed by only one of the phase coordinates is developed in the paper. Only one phase coordinate on which perturbation is not operated is available for measurement in the system. A robust algorithm for ellipsoidal estimation is developed, which minimizes the trace of the matrix of ellipsoid that approximates admissible set of point estimates. Application of the method and efficiency of the algorithm are shown on the example of estimating the heading angle of an artificial Earth satellite during its orbital motion. The onboard builder of local vertical and angular velocity sensors are used for the estimation.

Keywords: robust algorithm of guaranteed ellipsoidal estimation, orientation of artificial Earth satellite, gyroscopic thahometer, infrared builder of local vertical.



FULL TEXT

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